Service 3.8 L - Terry`s Jaguar Parts
Contents
1. Spares Bulletin No A 94 refers CHAMPION N S SPARKING PLUG Model affected Commencing Engine Number 2 4 litre Mark 2 7 to L compression BH 7655 ratio Commencing at the above engine number Champion N 5 sparking plugs are fitted to 7 to 1 compression ratio engines and supercedes the L 7 plug previously recommended Spares Bulletin No A 97 refers Jaguar Cars Limited 2005 JAGUAR Number B 25 Section Engine Sheet 1 of 1 Date November 1962 INTRODUCTION OF FIVE BOLT OIL FILTER Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 7969 3 4 litre Mark 2 KH 7063 3 8 litre Mark 2 LC 4265 Commencing at the above engine numbers the oil filter Part No C 20525 is retained by five bolts instead of the previous four A rubber seal is fitted to the oji pressure retief valve and also to the balance valve The filter unitsis not interchangeable with the previous type fitted Spar s Bulletin A3103 refers INTRODUCTION OF LENGTHENED DIPSTICK Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 7671 3 4 litre Mark 2 KH 7310 3 8 litre Mark 2 LC 4461 Mark 10 ZA 3972 Commencing at the above engine numbers a dipstick with a lengthened handle to clear the exhaust is fitted It is inter changeable with the previous type fitted Jaguar Cars Limited 2005 JAGUAR Number B 27 Section Engine Sheet 1 of 1 Date June 1963 MODIFIED OIL PUMP AND OIL PIPE2. JAGUAR Number B 35 Section Engine Sheet 1 of 1 Date April 1965 WELLSEAL JOINTING COMPOUND All Models Wellseal jointing compound is now available from the Jaguar Spares Division in 3 oz tubes Part number 10707 This compound is recommended for use on cylinder head gaskets and the instructions for use are as follows Ls Remove all oil and grease from both mating surfaces of the component lt by means of a eloth wetted with trichlor ethylene petrol or other volatile grease sotvent wiping drywith a ckean eVoth Qs Apply Nells al vith a_seft brush One coat on each mating surface will suffice in most cases but more than one coat should be applied where the joint is known to be bad Care should be taken to ensure that all mating surfaces are coated Siz Allow at least five minutes for drying after application a period of several days may be allowed to elapse if desired between application of Nellseal and assembly of the unit There is no need to wipe off excess compound exuding from the edges of the joint unless there is any special reason for doing so ae When dismantling the joint it should readily part and the compound may be removed with carbon tetrachloride or trichlorethylene Jaguar Cars Limited 2005 JAGUAR Number B 57 Section Engine Sheet C of 1 Date June 1965 SPARKING PLUGS CHANGE IN TYPE Model affected Commencing engine number 4 2 Mark 10 7D 51589
3. 3 8 S Type 7B 64800 420 7F 4467 420G i 7D 56172 4 2 E Type 7E 12961 4 2 E Type 2 2 7E 255288 Commencing at the above Engine Numbers the main bearing cap bolt oekwashers were replaced by phain washers The washers are fully interchangeable The torque figures for the nuts remain as stated in the appropriate Service Manual Part No Plain Washers 28082 Quantity per Engine 11 off 4 2 E Type and 2 4 2 12 off All other models Spares Bulletin A 205 refers Jaguar Cars Limited 2005 JAGUAR B 50 Engine t of 1 January 1968 CAMSHAFT SPROCKET ADJUSTING PLATE Models Affected Mark 2 Mark 2 Mark 2 tgi Type St Type 420 420G 2 4 litre 3 4 litre 3 8 litre 374 litre 3 8 litre 4 2 E Type 2 F2 4 2 E Type Commencing Engine Numbers BJ 8040 KJ 611548 LE 4225 7B 9772 7B 64823 7F 5997 7D 56496 JE455 5654 TE 13780 Commencing at the above engine numbers an improved type of camshaft adjuster plate is fitted The new plate incorporates the guide pin clamping plate and adjusting plate as a complete assembly and is fully interchangeable with the previous type The valve timing procedure remains unaltered Jaguar Cars Limited 2005 JAGUAR Number B 5j Section Engine Page 1 of 1 Date January 1968 GUM DEPOSITS ON INLET VALVES All models To all Distributors and Dealers Attention is drawn to the fact that under conditions of prolong
4. Commencing at the above engine number Champion N 11Y sparking plugs are fitted in place of Champion N 5 type N 11Y plugs can be fitted in sets in place of the N 5 when normal replacement becomes necessary Spares Bulletin No A 173 refers REVOLUTION COUNTER GENERATOR DRIVING DOG CHANGE IN MATERIAL Models affected Commencing engine numbers 2 4 litre Mark 2 BJ 5000 3 4 litre Mark 2 KJ 7506 3 8 litre Mark 2 LE 2384 3 4 S Type 7B 4921 3 8 S Type 7B 57695 4 2 Mark 10 7D 51619 4 2 E Type 7E 4027 Commencing at the above engine numbers a modified type of Rev counter generator driving dog Part number C 25426 is fitted The new dog is of bonded steel rubber and will be supplied as a replacement for the plastic type C 16772 when sufficient supplies are received Spares Bulletin No A 174 refers SHELL SUPER MOTOR OIL All Models This new Shell 10W 40 multigrade oil which replaces the X 100 multigrade 10N 30 and 20W 40 oils is recommended for all Jaguar cars As with other multigrade oils if Shell Super Motor Oil is used in an engine that has previously heen run on a straight SAE30 or 40 oil a slight increase in oil consumption may be experienced but this will be compensated by the advantages gained Jaguar Cars Limited 2005 JAGUAR Number B 40 Section Engine Sheet 1 of 1 Date April 1966 OIL FILTERS All Models Following Service complaints of oil leaks from engine oil filter
5. 6 025 9 to 1 S C 014534 406654 10 BTOC N 5 014 016 025 7 to 1 Paper element T N 014533 KOGHOA TDC N 5 2014 016 025 8 to 1 Paper element T U 014533 406404 P BrDe N 5 4 01 016 025 9 to1 Paper element T U 014534 40665A 5 BIDC i N 5 025 O14 kai 016 t g LL Leo Merk 1X 7 to 4 Felt Ps 614533 106408 4 BrDC K 5 JON 016 aka DRS 8 to 1 Felt TU 014533 HOGL OA 4 pre N 5 s014 g Er 025 9 to 1 Felt T U C14 534 HOG SA 5 BTDC N 5 2011 016 eee 7 to 1 Paper element Ti i 014533 406404 TDC N 5 2014 016 025 8 to 1 Paper element T U 014533 KOGLOA P Brc N 5 4 8014 016 025 9 to 1 Paper elementi T U 014534 LO665A 5 BIDC N 5 2014 016 025 ak L i For U S A Canada and Mexico use N 8 plugs Jaguar Cars Limited 2005 JAGUAR Number B 8 Section Engine Sheet 4 of 1 Date November 1960 BRAY ENGINE HEATER BOSS Models affected Commen ne Numbe 3 8 litre Mark 2 LA 7214 Mark 1X NC 9709 YK 150 3 8 litre engine VA 2053 XK 150 S 3 8 litre engine VAS 1285 On cars with the above engine mmbers and onwards the boss in the cylinder block which provides for the fitting of an electric engine heater has been transferred from the left hani side to the right hand side The boss has been transferred to avoid obstruction from the exhaust pipes when fitting a Bray engine heater Spares Bulletin
6. Commencing at the above engine numbers and onwards the intermediate main bearing clearance is brought into line with the front centre and rear main bearings Ali main bearing journals are now of 2 750 to 2 7505 diameter The crankshaft part number remains unchanged is directly interchangeable with the previous types fitted CAST IRON WATER PUMP_AND FAN PULLEY 2 4 litre Mark 2 Model Commencing at engine number BH 7206 a cast iron water pump fan pulley Part No C 20176 _replaces the atuminium pulley originally fitted and is interchangeable with this pulley Jaguar Cars Limited 2005 JAGUAR Number B 21 Section Engine Sheet 1 of 1 Date September 1962 MODIFIED PISTON RINGS AND CONNECTING ROD Models affected Commencing Engine Numbers 3 8 litre Mark 2 LC 3703 Mark 10 ZA 3153 E Type R 7104 Commencing at the above engine numbers and onwards all 3 8 litre engines are fitted with a new top compression ring Part No C 20846 Maxiflex scraper ring Part No C 20847 and connecting rod Part No C 7917 2 The piston itself remains unaltered The upper compression ring has a 40 chamfer on the inner edge of the ring which must face the top of the pirston ring groove The ringeis marked with a T on the top faces The new Maxiflex oid control ring consists of two steel rails with a spacersbetween the two rails Thesesare held together on assembly with an adhesive Th requaliser which is fitted
7. No C 15964 on engines bearing the following numbers Models Engine Number 2 4 litre BG 5891 to BG 8497 3 4 litre KG 4675 to KG 6737 LA 7450 to LA 9999 SR COCR LB 1001 to LB 1849 Spares Bulletin number A 78 2nd issue refers Jaguar Cars Limited 2005 JAGUAR Number B 18 Section Engine Sheet 1 of 1 Date May 1962 DRILLED INLET CAMSHAFTS Models affected Commencing Engine Numbers 3 4 litre Mark 2 KH 4632 3 8 litre Mark 2 LC 2056 vet Type R 5001 Mark 10 ZA 1730 On cars with the above engine numbers and onwards a modified inlet camshaft Part No C 14985 is fitted This camshaft has a hole driiled in the base of each cam to reduce tappet noise when starting from cold and is fully interchangeable with the previous type fitted See also Service Bulletins B 11 and 209 Spares Bulletin number A 81 refers Amendment to Service Bulletin By14 Since the issue of the above bulletin the new type of exhaust manifold flange gasket with a steel shell Part No C 18405 1 is introduced on 2 4 iitre Mark 2 modelsy Include the following information on Bulletin B 14 Commencing Chassis Number R H Drive L H Drive 112355 126735 Amendment to Service Bulletin F 3 Please note that Service Bulletin F 3 was incorrectly numbered and should have been F 2 Would you please alter your copy accordingly Jaguar Cars Limited 2005 JAGUAR Number B 20 Section Engine Sheet 1 of 1 Date September 1
8. and ream a 3 17 mm diameter hole 3 16 4 76 mm deep between the side of the insert and the cylinder head as shown in Figsi2 lt Drive in the locking pin C 22382 and make sure that the pin is below the surface as in Fig 2 To secure peen over the aluminium on the chamfered portion of the insert and also the locking pin 42mm ee 33 MMA Jaguar Cars Limited 2005 JAGUAR Number B 29 Section Engine Sheet 1 of 1 Date November 1963 GUARANTEE CLAIMS ON SPARKING PLUGS All Modeis In future ali guarantee claims relating to sparking plugs must be made direct to Messrs Champion Sparking Plugs Limited Feltham Middlesex Sparking plugs must not be forwarded under claim to this factory Jaguar Cars Limited 2005 JAGUAR Number B 50 Section Engine Sheet 1 of 1 Date January 1964 SUMP FRONT OIL SEAL REPLACEMENT Models affected Approximate commencing engine numbers Mark 10 ZB 3121 E Type RA 4501 3 4 litre S 7B 1005 3 8 litre S 7B 50348 3 4 litre Mark 2 KJ 3093 3 8 litre Mark 2 LC 8300 Commencing at the above engine numbers the sump front oil seal recess in the timing cover is modified so that the seal may be more easily replaced without removing the timing cover It is of course necessary to lower the oil sump remove the crankshaft damper and cone and_the_distance piece when the sealxcan besremovede INTRODUCTION OF THE CAST ALUMINIUM SUMP A
9. inside the oil control ring should be assembled with the two ends butted to gether and positioned at 180_ to th gap See Fig 1 It is most important that the two ends of the equaliser do not overlap After fitting the rings they should be immediately compressed with a good piston clamp such as the Churchil138 U 2 and held in a state of compression until entered in the cylinder bore The connecting rod is changed inasmuch as a hole 1 32 79 mm diameter is drilled at 45 and 5 7 16 13 81 cm from the centre of the big end bearing bore on the same side at the big end bearing shell retaining groove See Fig 2 When fitted the hole in the con rod must face forward and be pointing to the thrust inlet side of the engine Jaguar Cars Limited 2005 EQUALISER RAILS LT SPACER Fici 5 Blen 3 79 MM CIA HOE HOLE ON SAME SIDE AS BEARING SHELL TAB GROOVE SECTION HH FLEES Fw 2 Jaguar Cars Limited 2005 JAGUAR Number B 22 Section Engine Sheet 1 of 1 Date October 1962 LARGER MAIN BEARING CAP DOWELS Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 7969 3 4 litre Mark 2 KH 6481 9 8 litre Mark 2 LC 3827 E Type R 7195 Mark 10 ZA 3 L71 Conmenc ingat theabove engine fumbers able ecybinder brotks and bearing capSsare machined to accomodate larger dovelssonsthe left hand side The original dowels are stiid used on the right hand side
10. previou one Jaguar Cars Limited 2005 JAGUAR Number B 12 Section Engine Sheet 1 of 1 Date October 1961 CAST IRON CRANKSHAFT PULLEY Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 3894 3 4 litre Mark 2 Power assisted steering KG 1349 3 8 litre Mark 2 Pover assisted steering LB 6271 E Type R 1459 On cars vith the above engin rumbers and onwards a cast iron crankshaft pulley Part Number C 18702 2 4 litre C 18704 ia fitted This pulley replaces the aluminium pulley formerly fittedsand is interchangeable with this pulley Spares Bulletin Number A 57 refers AUTOMATIC FAN BELT TENSIONER Models affected Commencing Engine Numbers 3 4 litre Mark 2 Power assisted steering KH 2146 3 8 litre Mark 2 Power assisted steering LB 7222 E Type R 1845 Cars with the above engine numbers and onwards are fitted with a spring loaded jockey pulley on the right hand side of the engine This pulley maintains the correct fan belt tension without adjustment but should it be necessary to replace the fan belt the following instructions should be carried out Slacken the two bolts securing the dynamo to the mounting bracket Remove the nut and unscrew the bolt securing the top dynamo link to the dynamo Slacken the bolt securing the dynamo Continued Jaguar Cars Limited 2005 link to the engine and press the dynamo as far as possible tovards the engine Place the nev belt in position on the vat
11. the top face of cylinier block Contimed ee Jaguar Cars Limited 2005 Note Bore out and hone the liners in acoordance with the following TT details to suit the grade or grades of pistons to be fitted Piston Grade Cylinder bore size Letter aye 3 4248 to 3 4251 86 990 to 86 997 mm ngn 3 4252 to 3 4255 87 000 to 87 007 mn a 324256 to 3 4259 87 010 to 87 017 mm sgu 3 4260 to 3 4263 87 020 to 87 027 mm e 3 4264 to 3 4267 87 030 to 87 037 mn The piston clearance measured at the bottom of the skirt at 90 to the gudgeon pin axis is 0011 to 0017 028 to 043 mm Note After removal of the cylinder head studs prior to reboring it is advisable to check the area around the stud holes for flatness If the edges of any of the holes are found to be raised they should be filed down flush with the surrounding joint face to ensure a dead flat surface on which to mount the boring equip ment 7550 re 90 17 MM 3420 86 85MM Jaguar Cars Limited 2005 JAGUAR Number B 7 Section Engine Sheet 1 of 1 Date July 1960 TUNING DATA FOR ENGINES WITH PAPER ELEMENT AIR CLEANERS The following are the revised tuning details for engines fitted with a paper element air cleaner see Service Bulletin Bel and supplements the information given in Service Bulletin A 1 Compression Distributor Ratio Type and Contact Breaker 14533 014534 014 Mark 1X 7 to 1 T
12. 807 On cars with the above engine numbers and onwards 9 to 1 comp ression ratio pistons with domed crowns are fitted replacing flat top pistons The domed crow pistone PartNo 6 16339 can be used to re place th sflat top piston 0 10619 provided a complete set is fitted If it is desired to replace a single 9 t 1 Compr ssion ratio piston or 3 4 litre engines prior to th jabov numbers only Part number C 10649 must be used Spares Bulletin number A 33 refers CRANKSHAFT DAMPER IGNITION TIMING MARKS Models affected All The top dead centre mark on the front face of the crankshaft damper is now continued on the edge of the damper to facilitate tuning the engine by means of Crypton Motormaster or similar testing equip ment the use of which we encourage Jaguar Cars Limited 2005 JAGUAR Number Beli Section Engine Sheet 3 kol T Date May 1960 PAPER ELEMENT AIR CLEANERS Models affected 3 4 litre Mark 2 3 8 litre Mark 2 Mark 1X cars for certain export countries replacing oil bath air cleaners Note that the above models originally fitted with an oil bath type air cleaner are now fitted with a paper element type air cleaner This does not apply to the 2 litre Mark 2 model which retains an oil bath air cleaner No maintenance is necessary but the element Part number C 1648 should be renewedevery 10 000 miles 46 000 km orsmote frequently in dusty territoriesa This type of air cleane
13. 962 LONGER INLET VALVE GUIDE Model affected Commencing Engine Number E Type R 6724 Commencing at the above engine number a longer inlet valve guide Part No C 15509 is introduced on E Type cars and therefore brings it into line with all other current production models The longer valve guide is interchangeable with that previously supplied provided they are fitted in engine sets The fitted distance of 5 16 8 mm above the spot face for the valve spring seat remains the same Spares Bulletin number A 983 refers CHAMPION UN 12 Y SPARKING PLUG Models affected Commencing Engine Numbers 3 8 litre Mark 2 LC 3051 Mark 10 ZA 2327 Commencing at the above engine numbers Champion UN 12 Y sparking plugs replace those already fitted This sparking plug supersedes the N 5 plug previously fitted and overcomes fouling of the electrodes under heavy traffic conditions CHAMPION N S SPARKING PLUG Model affected Commencing Engine Number 3 4 litre Mark 2 7 to 1 compression KH 6127 ratio Commencing at the above engine number Champion N 5 Sparking plugs are fitted to 7 to 1 compression ratio engines and supersedes the L 7 plug previously recommended Continued Jaguar Cars Limited 2005 INTERMEDIATE MAIN BEARING CRANKSHAFT CLEARANCE Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 7122 to BH 7230 BH 7258 onwards 3 4 litre Mark 2 KH 6100 3 8 litre Mark 2 LC6 3498 EN Type R 6724 Mark 10 ZA 2574
14. Commencing Engine Numbers 3 4 litre Mark 2 KH 4093 3 8 litre Mark 2 LC 1672 On cars with the above engine numbers and onwards a single fan belt Part No C 19522 having twin vee tracks is introduced The water pump dynamo crankshaft and jockey pulleys are also modified to suit the new fan belt This fan belt may be fitted to engines with numbers prior to that shown above provided that modified dynamo crankshaftj vater pump and jockevy pulleys are also fitted Spares Bulletin number A a refers MODIFICATION TO BREATHER PIPE TO OVERCOME CONDENSATION Models affected Commencing Engine Numbers Mark 10 ZA 1357 E Type R 4223 To avoid the possibility of water condensation being drawn into the engine via the breather pipe a 1 16 1 6 mm hole is drilled in the underside of the pipe This hole is situated approximately 6 16 5 cm inwards from the bend beneath the rubber connection which attaches the breather pipe to the air cleaner MODIFIED OIL SUMP Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 9853 3 4 litre Mark 2 KH 4020 3 8 litre Mark 2 LC 1506 On cars with the above engine numbers and onwards a modified oil sump Part No C 2003 is fitted The oil return hose to sump Continued Jaguar Cars Limited 2005 connection has been modified to provide easier fitment The new sump is interchangeable with the earlier sump Part No C 17645 It may also be used as a replacement for oil sump Part
15. ICO Modela affected Mark 1X B to 1 compression ratio 3 8 litre Mark 2 8 to 1 compression ratio 3 4 litre Mark 2 8 to 1 compression ratio XK 150 ae re 8 to 1 compression ratio XK 150 3 8 litre 8 to 1 compression ratio Note that for the U S A Canada and Mexico Champion N 8 spark ing plugs are recommended in place of N 5 type for the above models It mist be noted however that N 8 type sparking plugs mist NOT be used on 9 to 1 compression engines XK 150 S or 2s litre engines REBORING AND FITTING CYLINDER LINERS 3 8 litre engines 3 8 litre engines are fitted with cylinders liners in initial production Reboring of the cylinder liners is permissible up to a maximum of 030 76 mm oversize pistons are obtainable in 4 010 020 and 030 4 25 mm 51 om and 76 mm size by quoting 10 20 or 30 after the part mmber of the standard size piston After the engine has been rebored to t 030 4 76 mm or if the bores will not clean up at 030 it will be necessary to replace the cylinder liners bore out to standard and fit standard sized pistons The worn liners must be pressed out from the bottan using a stepped block see illustration Before fitting the new liner lightly smear the cylinder walls with jointing compound at a point half way down the bore and also smear the top outer surface of the liner Press in the new liners from the top and file or lightly skin the tops of the liners flush with
16. JAGUAR Number B 2 Section Engine Sheet 1 of 1 Date January 1960 IMPROVED ENGINE SUMP OIL SEALING Models affected Commencing Engine numbers 2 4 litre Mark 2 BG 1317 3 4 litre Mark 2 KG 1327 3 8 litre Mark 2 LA 1500 Mark 1X NC 6785 XK 150 3 4 litre Ve 7460 XK 150 S 3 4 litre VS 2183 XK 150 3 8 litre VA 1399 XK 150 S 3 8 litre VAS 1085 On cars with the above engine numbers and onwards amodified erankshaft rear cover assembly Part Number C 16317 with an eccentric oil seal groove is fitted atthe rear of the cylinder block In conjunction with the modified rear cover a new cork rubber seal Part Number 0 16315 is fitted For cars with engines prior to the above numbers modified cork rubber seal Part Number 2302 S and sump gaskets Part Number C 16319 have been introduced Sump seals gaskets and rear cover assemblies should be fitted in accordance with the following details Engines up to Engines on and above numbers after above numbers Cork Rubber Seal C 2302 8 C 16315 7g x 23 32 x 7 32 8 x x 7 32 Sump Gaskets 0 16319 0 16319 Crankshaft rear Ce 14400 C 16317 cover assembly Jaguar Cars Limited 2005 JAGUAR Number B 3 Section Engine Sheet 4 of 1 Date May 1960 9 TO 1 COMPRESSION RATIO PISTONS XK 150 and 3 4 litre models Models affected Commencing Engine Numbers XK 150 3 4 litre engine V 7524 XK 150 S 3 4 litre engine VS 2195 3 4 litre Mark 2 KG 2
17. M C14533 LOGLOA O14 p016 Amendment to Service Bulletin No A 1 Alter the ignition timing of the 9 to 1 compression ratio 3 8 litre engine from 5 BTDC to 10 BTDC Contimed Jaguar Cars Limited 2005 Amendment to Service Bulletin No A 3 of May 1960 Alter the mmber of the above bulletin issued in May 1960 from A 3 to Ash Jaguar Cars Limited 2005 JAGUAR Number Section Sheet Date ENGINE TUNING DATA Mark 2 models Mark 1X model B 7 2nd issue Engine 4 of 1 November 1960 The following is a summary of the engine tuning data for the above models ahd supersedes the original issue of Service Bulletin B 7 in July 1960 2 4 litre Mark 2 Compression Distributor Ratio Type and Contact Breaker Gap Jaguar Part Lucas No Service N 3 4 litre Mark 2 12733 2014 G12732 2014 Oil bath 614 269 0014 Paper element 014533 2014 Paper element C14533 oh Paper element 014534 A Champion Sparking Plug Type and Gap L 7 025 N 56 025 N 5 025 N 5 025 N 5 4 025 N 5 025 Contimied Jaguar Cars Limited 2005 Compression Distributor Static Champion Sparking ratio Type and Contact Breaker Ignition Plug Type and Gap Timing 3 8 litre Mark 2 7 to 1 T X 014533 40640A TDC N 5 O14 ci 2016 i 025 8 to 1 S C C14 533 40640 4 BTOC N 56 2014 01
18. Model affected Commencing Engine Number tE Type RA 2078 Commencing at the above engine number a modified oil pump and 3 19 05 mm diameter oil suction pipe replace the existing oil pump and 11 16 17 46 mm oil pipe Thesespartssare interchangeable provided all the items listed in Spares Bulletin No A 119 ar fitted CHECKING FOR OIL CONSUMPTION All Models In a great many cases of cars reported to have heavy oil consumption it has been found on investigation at the factory that in fact the consumption has been very Low or none at all This false impression has been due to distributor and dealers not checking for oil consumption in the correct manner Owing to the length of time needed for all the oil to drain back into the sump estimating oil consumption during normal topping up is misleading and the following procedure should be adopted WHEN INVESTIGATING A COMPLAINT FOR OIL CONSUMPTION THE CAR MUST BE IN EXACTLY THE SAME CONDITION SEE a 8 b BELOW EACH TIME THE LEVEL IS CHECKED a The oil level must be checked on both occasions after the car has stood overnight and before starting the engine b The car must be in the same position on the garage floor FR V nana Jaguar Cars Limited 2005 i ii iii a b The following points must also be observed Check that the dipstick is being pushed fully home against its stop Gheck that the oil wetted mark is at approximately the S
19. ND LARGER BORE OIL PUMP AND PIPES Models affectedy Commencing engine numbers 2 4 litre Mark 2 BJ 2264 3 4 litre Mark 2 KJ 2791 3 8 litre Mark 2 LC 8068 Commencing at the above engine numbers an aluminium engine sump is fitted together with revised oil pipes and pump The diameter s of the oil pump inlet and outlet pipes are increased To conform with this the filter basket assembly and the by pass hose from the sump to the oil filter are modified together with the pipe fitting The ignition timing pointer on the front of the sump is also modified In conjunction with this change packing pieces are fitted under the front anti roll bar The aluminium sump is not therefore interchangeable with the steel type without fitting all the parts affected Spares Bulletin No A 129 refers Jaguar Cars Limited 2005 JAGUAR Number B 31 Section Engine Sheet 1 of 1 Date March 1964 HEAVY OTL CONSUMPTION Models affected 3 8 litre Mark 2 Mark 10 E Type If heavy oil consumption is experienced on 3 8 litre engines the following measures should be taken 1 On engines not fitted with Maxiflex rings that is engines prior to L C_3703 _3 8 litre ZA_3153 Mark 10 and R 7104 f fTypewfit Maxiflex rings as advised in Service Bulletin B21 but do NOT drill th hole in the connecting rod Qa Onenginesifitted vithi Maxiflex rings remove the piston and connecting rods and block up the squirt hole
20. Units it is now ESSENTIAL that the sealing ring located in the filter head is renewed each time the canister is removed from the unit This applies to alt Routin Maintenance periods including the Free Services Jaguar Cars Limited 2005 JAGUAR Number B 47 Section Engine Sheet 1 of 2 Date March 1967 VALVE GUIDES WITH CIRCLIP RETAT NERS Models affected Commencing Engine Numbers 2 4 litre MK 2 BJ 5736 3 4 litre Mk 2 KJ 8772 5 8 litre Mk 2 LE 3443 3 4 litre 5 Type 7B 7090 3 8 litre S Type 7B 60959 4 2 litre Mk 10 7D 55851 4 2 litre E Type 7E 7150 4 2 litre E Type 2 2 7E 50022 Commencing at the above engine numbers circlips are fitted to the valve guides to ensure posi tive location in_the_cylinder_head The cirelip registers in a counterbore machined in the cylinder head The outside diameter sol the guide is reduced atthe lower end and to provide a llead in swhen fitting the guide to the cylinder head The inlet and exhaust gujd srarevof different lengths the inlet being the shorter of the two Service replacement guides are savailable in the following oversizes Part No Outside Diameter Oversize Inlet C 26198 5067507 12 85712 87 mm 005 13 mm C 261 98 1 511 512 12 97715 00 mm 010 23 mm Exhaust C 26195 506 507 12 85 12 87 mm 4 005 13 mm C 26195 1 5117 5127 12 97 13 00 mm 4 010 Z mm Replacement Heat the cylinder head by immersing in bo
21. ame height on each side of the dipstick If the mark varies appreciably from side to side it indicates that the dip stick is bent and is fouling the baffle in the sump this condition will wipe off oil from the dipstick this giving a false reading It is also possible particularly in the case of the E Type for the dipstick to slide over the top of the baffle in which case no reading will be obtained leading to the sump being overfilled If in the case of the E Type oil is found on the air cleaner element or in the container this indicates that the sump has been overfilled The sump MUST NOT b ov rfilled otherwise th excess oi will be rapidly burned off giving a false smpression of the consumption The quantity of oil betveen the bottom and top of the knurled patchsis_approximately 2 pints When adding oil on the above basis it must be remembered that until the engine has been run on the road and subjected to surge conditions the lev l will not be stabilized Therefore ONLY the amount of oil indicated by dipstick reading see iii a should be put in despite the apparent slow rise in level when oil is added If blue smoke is not emitted from the exhausts after opening the throttles after a period on the overrun it can be assumed that the engine is not using oil Jaguar Cars Limited 2005 JAGUAR Number 3 28 Section Engine Sheet 1 of 1 Date September 1963 GRADED PISTONS Due to the om
22. be used as a replace ment for earlier typeoil controlrings if a 3 32 2 4 mm hole is drilled in the sbottom groove immediately above the gudgeon pin bore E Jaguar Cars Limited 2005 JAGUAR Number B 52 Section Engine Sheet 1 of 1 Date May 1964 INTERMEDIATE LOWER TIMING CHAIN DAMPER Models affected Commencing engine numbers 3 4 litre Mark 2 KJ 4023 3 8 litre Mark 2 LC 9103 E Type RA 6025 Mark 10 ZB 4170 Commencing at the above engine numbers a different type of intermediate damper is fitted to the lower timing chain The original type secured to the upper timing chain bracket is replaced by a damper secured to two tapped bosses in the cylinder block see illustration Sh rter bolts are nov fitted to thesupper timing chain_bracket Interchangeability The new damper cannot be fitted in place of the previous type as the cylinder block will not have the tapped bosses Assembly Instructions When fitting a new lower timing chain set the intermediate damper A in light contact with the chain when there is an 3mm gap B between the rubber slipper and the tensioner body In the case of a worn chain the gap B may have to be increased to avoid fouling between the chain and the cylinder block Set the lower damper C in light contact with the chain Spares Bulletin No A 137 Refers Jaguar Cars Limited 2005 K T 2 pa z oO r Jaguar Cars Limited 2005
23. der Part Number C 19648 S is also fitted Jaguar Cars Limited 2005 JAGUAR Number B 70 Section Engine Page 1 of 1 Date July 1969 REPLACEMENT CRANKS HAFTS 2 4 3 4 3 8 Mark 2 3 8 E type Supplies of Crankshaft C 8628 for the above cars are now completcly exhausted Jaguar Spares Division will therefore in future supply Crankshaft C 8628 1 only as a replacement against all orders received It iS IMPORTANT to remember that whei fitting the new Crankshaft it iSsimperative that thes revised R arsCover and Oi SeadeAssembly reference Spares Bulletin A 66 obtainable under Part Number C 19648 S is also fitted Jaguar Cars Limited 2005
24. dipstickshole tighten the securingunut and bolt Amendment to Service Bulletin number B 12 The part numbers of the cast iron crankshaft pulley quoted in the above bulletin should read C 18703 2 4 litre C 18904 Jaguar Cars Limited 2005 JAGUAR Number B 14 Section Engine Sheet 1 of 1 Date January 1962 EXHAUST MANIFOLD FLANGE GASKETS Models affected Commencing Chassis Numbers R H Drive L H Drive 3 4 litre Mark 2 158296 177750 3 8 Litre Mark 2 207228 219614 On cars with the above chassis numbers and onwards a new type of exhaust manifold flange gasket with a steel shell is intro duced Part number C 18405 1 This gasket_is used in conjunctionsvith modified exhaust manifolds and exhaust down pipe and parts are therefore not inter changeable CYLINDER HEADS Mark IX 3 8 litre Mark 2 3 8 litre XK 150 The chamfer machined on the combustion chambers of cylinder heads fitted to 3 8 litre engines with the exception of the S type Gold top head is no longer used thus standardizing the cylinder head casting with those used on 2 4 and 3 4 litre engines The cylinder head identification colour of dark blue will continue as before If replacing either cylinder head or pistons on any 3 8 litre 8 to 1 compression ratio engine it is essential that the following facts should be noted Piston part numbers are stamped on the flat portion of the crown of the piston Chamfered Cylinder Heads May be fi
25. e great care not to round off the corners or edges of the casting Thoroughly cl an off ali traces of metaledust and re assemble the filter unit Use a new type Presspahn gasket C 16301 and before assembly lightly coat each side with a good quality jointing compound Fit a longer setscrew Part number UFB 131 10R to the bottom right hand corner position with a special washer C 18458 under the bolt head Start engine and recheck for oil leakage Recheck tightness of filter bolts after initial running Spares Bulletin A 47 refers INTRODUCTION OF DIPSTICK TUBE Models Affected Commencing Engine Numbers 3 4 litre Mark 2 KG5366 3 8 litre Mark 2 LA 8593 On cars with the above engine numbers and onwards a tube is fitted to the dipstick hole in the cylinder block to facilitate replacement of the dipstick This necessitates having a new dipstick Part number C 17527 of greater length between the stop and the bottom end Jaguar Cars Limited 2005 Spares Bulletin No A 44 refers JAGUAR Number B 10 Section Engine Sheet 1 of 1 Date June 1961 LONGER OIL PUMP AND NEW OIL SUMP Models affected Commencing Engine Numbers Sump Qil Pump 2 4 litre Mark 2 BG 8498 BG 9503 3 4 litre Mark 2 KG 6738 KG 7488 3 8 litre Mark 2 LB 1850 LB 2402 E Type R 1009 On cars with the above engine numbers an oil pump with a longer body is fitted On the Mark 2 models this necessitates having a Sump with a slight d pr ss
26. ed storage chemical changes can occur in certain of the additives used in many present day fuels The results ofsuch changes remain in thesfuel and vrki be drann into the engine along yrth the fuelspumpe d from the tank s when_a Cars isa resstarted folloving an extend d period out of uses As th engine is warmed gum deposits may form on the inlet valves as a result of the presence of additives affected by chemical changes These deposits may cause the inlet valves to stick with the possible consequence of severe engine damage It is suggested therefore that fuel should be completely drained from the tank s filter and carburetters of any car which is Likely to be off the road for a long period If regulations permit the tank s of any car subject to short term storage should ideally be completely filled so as to present a minumum surface area of fuel to the atmosphere Jaguar Cars Limited 2005 JAGUAR Number B 70 Section Engine Page 1 of 1 Date July 1969 REPLACEMENT CRANKSHAFTS 2 4 3 4 3 8 Mark 2 3 8 E type Supplies of Crankshaft C 8628 for the above cars are now completely exhausted Jaguar Spares Division will therefore in future supply Crankshaft C 8628 1 only as a replacement against all orders received It iS IMPORTANT to remember that whei fitting the new Crankshaft it i1S imperative that thes revised R areCover and Oi SeadewAssembly referenceSpares Bulletin A 66 obtainable un
27. er pump jockey and crankshaft pulleys and by pressing the jockey pulley towards the engine pass the belt over the dynamo pulley Pass the dynamo securing top bolt through the link and screw into the lug of the dynamo Pull the dynamo away from the engine as far as possible and tighten the top dynamo securing bolt and replace the lock nut Tighten the bolt securing the dynamo link to the engine and also the two bottom dynamo mounting bolts Amendment to Service Bulletin Number B 11 Under commencing Engine Numbers in the above bulletin insert the folloving 2 4 litre Mark 2 BE 2900 The part number for the 2 4 litre undrilled camshaft is C 17137 Jaguar Cars Limited 2005 JAGUAR Number B 13 Section Engine Sheet 1 of 1 Date December 1961 SUMP REMOVAL E Type A simpler method of removing the sump than that described in the E Type Service Manual has been found This method obviates the removal of the torsion bar reaction tie plate but it will be necessary to remove the crankshaft damper Drain the sump disconnect the oil return hose remove the crankshaft damper remove the sump securing setscrews and withdraw the sump forward CRANKSHAFT REARS OIL SRAL Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 4551 3 4 litre Mark 2 KH 2794 3 8 litre Mark 2 LB 8247 E Type R 2564 Mark 10 ZA 1001 On cars with the above engine numbers and onwards a modified rear end cover incorporating an asbe
28. fitted in place of the previous type provided that they are fitted in pairs The running clearance is reduced from 0023 0039 06mm 10mm to 0015 0033 04mm 08mm Amendment to Service Bulletin Number B 14 Since the issue of the above Service Bulletin it has been found to be permissible to fit the latest steel asbestos exhaust manifold gasket as a replacement for Part Number C 898l1 in conjunction with the early type of manifolds and downpipes Jaguar Cars Limited 2005 JAGUAR Number B 16 Section Engine Sheet 1 of 1 Date March 1962 MODIFIED SEAL AT THE REAR OF EXHAUST CAMSHAFT COVER Models affected Commenc ing Engine Numbers 2 4 litre Mark 2 BH 5531 3 4 Litre Mark 2 KH 3644 3 8 litre Mark 2 LC 1100 Et Type R 3691 On cars with the above engine numbers and onwards a revised method of sealing the rear end of the left hand exhaust camshaft cover is introduced This arrangement may be fitted to engines prior to those shown above provided that a modified camshaft cover sealing plug and toring are fitted Spares Bulletin number A 76 refers INTRODUCTION OF DUPLEX FAN BELT Model affected Commencing Engine Number 2 4 litre Mark 2 BH 5365 On cars with the above engine number and onwards a Single fan belt Part No C 19523 having twin vee tracks is introduced The dynamo crankshaft and water pump pulleys are also modified to suit the new fan belt The new fan belt may be fit
29. iling water for 30 minutes With a piloted drift after first removing the circlip drive out the old valve guide from the head Jaguar Cars Limited 2005 Bulletin No B 47 March 1967 Page 2 of 2 Ream the valve guide bores to the following dimensions depending on the oversize guides required v 0005 4 012 mm i 5057 goo2 12 85 mm 005 mm Ss tt te 0005 4012 mm ii 510 0002 12295 Ma 005 mn Note It is imperative to ream the valve guide bores to these dimensions as forcing oversize guides into unreamed holes is likely to crack the cylinder head castings Earlier cylinder heads can be modified by making circlip recesses by either a Counterboring 0 593 15 06 mm x 04 1 02 mm deep This is the preferred method see Fig 1 b Chamfering at 45 as shown in Fig 2 Coat the valve guides with graphite grease and fit the circlip Re heat the cylinder head Ni tha piloted drift driveyin th gurde from the top until the circlip registers in the counterbore or seats on the chamfer of the cylinder head Visually check thatathe ci rclip has seated correctly 5593 via 3758 FIG 2 CHAMFERED Jaguar Cars Limited 2005 JAGUAR Number B 49 Section Engine Sheet 1 of 1 Date March 1967 MAIN BEARING CAP BOLT LOCKWASHERS Models Affected Commencing Engine Numbers 2 4 litre Mark 2 BJ 7577 5 4 litre Mark 2 KJ 10971 3 8 litre Mark 2 LE 4166 3 4 S Type 7B 9687
30. illustrated in Service Bulletin B 21 Fig 2 in the connecting rod by lightly peening over Pit new Maxiflex oil control rings Note Whilst the pistons are removed the bores should be lightly honed using a fine stone and paraffin as a lubricant MODIFIED PISTONS Models affected Commencing engine number 3 8 litre Mark 2 LC 8895 Mark 10 ZB 3114 E Type RA 5649 3 8 S 7B 50348 plus certain individual engines prior to these numbers Modified pistons are now fitted in production in accordance with the following table Senate Care ns Jaguar Cars Limited 2005 7 to 1 8 to 1 comp ratio comp ratio Piston C 23508 1 C 23509 1 Upper compression ring C 23489 C 23489 Lower compression ring C 13797 C4 13797 Oil control ring Maxiflex 30 C 23490 C 23490 or Oil control ring Maxiflex 50 C 24155 C 24155 9 to 1 comp ratio C 23510 1 C 23489 C 13797 C 23490 C 24155 The new pistons have a re designed skirt panel a chamfer below the oil control ring with 7 drain holes and a relief at the bottom of the skirt to form a sharp edge see illustration Either Maxiflex 30 or Maxiflex 50 oil control rings are fitted The principal difference between these two rings is that the ends of the internal ring of the Maxiflex 50 are turned at 90 and locate in a 3 32 2 4 mm hole in the piston ring groove whereas the ends of the Maxiflex 30 internal ring are butted Note The Maxiflex 50 ring can only
31. ion at the front end to avoid the pump fouling the bottom of the sump The new sump Part number C 17645 can be fitted to engines prior to the numbers given above for the introduction of the new oil pump but the early type sump Part number C 15964 must not be fitted to engines with thes longer bodied oil pump Spares Bulletins As50 and A 5lsrefers ENGINE BREATHER Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 1166 3 4 litre Mark 2 KG 8272 3 8 litre Mark 2 LB 3922 On cars with the above engine numbers and onwards the engine breather is coupled to the air intake elbow connected to the carbur ettera Spares Bulletin number A 52 refers EXHAUST MANIFOLD FLANGE NUTS All models At the 500 mile 800 km free service it is recommended that the exhaust manifold flange nuts are checked for tightness This operation will be included in future reprints of the Periodic Maintenance Voucher booklets Jaguar Cars Limited 2005 JAGUAR Number B 11 Section Engine Sheet 1 of 1 Date August 1961 UNDRILLED INLET CAMSHAFTS Modela affected Commencing Engine Numbers 3 4 litre Mark 2 KG 9484 3 8 litre Mark 2 LA 5312 E Type R 1217 On cars with the above engine numbers and onwards a modified inlet camshaft Part number C 17138 isefitteds This camshaft does not havesa hole drilled in thesbase of each cam as shown in Service Bulletin number 209 and i interchangeable vith the
32. ission of a heading on page B 53 of the Mark 10 and E Type Service Manual it is not clear that the dimensions quoted against the Piston Grades F to K refer to cylinder bore sizes and not to the actual piston diameter Please therefore insert a heading To suit cylinder bore size above the dimensions quoted IMPROVED MATERIAL EXHAUST VALVE Models affected Commencing Engine Numbers 2 4 Titre M rk 2 BJs 1294 3 4 litremMark 2 KJ 1713 3 8 litre Marka2 IE 7503 E Type RA 2972 Mark 10 ZB 1228 Commencing at the above engine numbers all engines are fitted vith modified exhaust valves Part No C 21942 of improved steel specification to give longer life The new exhaust valves are interchangeablie with the previous type fitted Spares Bulletin A 123 refers SPARKING PLUG INSERTS All Models When it becomes necessary to fit a sparking plug insert C 22381 in the event of a stripped thread a revised procedure as detailed below should be carried out This procedure incorporates a locking pin to prevent the insert from being screwed out when removing the sparking plug POON By cane sis Jaguar Cars Limited 2005 Bore out the stripped thread to 75 19 05 mm diameter and tap 6 B S P as shown in Fig l Make a counterbore 57 64 22 62 mm diameter to take the larger diameter of the insert as shown in Fig 1 Fit the screwed insert ensuring that it sits firmly on the face at the bottom of the thread Drill
33. miber A i 1 refers MODIFIED ENGINE OIL FILTER Models affected Commencing Engine Number 2 4 litre Mark 2 BG 5891 3 4 litre Mark 2 KG 4675 3 8 litre Mark 2 LA 7450 On oars with the above engine numbers and omrards a modified oil filter Part mmber C 16296 is fitted The canister of the new oil filter is inclined dowmrards and therefore no drain plug is fitted The oil pressure relief valve is retained by the outlet adaptor to which oil return hose is fitted and mst not be confused with the balance valve see illustration overleaf The element Part mmber 1526 FG 2306 and sealing ring Part mmber 6883 are the same as fitted to the previous type of oil filter Spares Bulletin mmber 4 40 refers Jaguar Cars Limited 2005 BALANCE VALVE N Vj OIL PRESSURE RELIEF VALVE Jaguar Cars Limited 2005 JAGUAR Number B 9 Section Engine Sheet 1 of 1 Date February 1961 DOWNSWEPT OIL FILTER LEAKAGE FROM FLANGE FACE If on engines with the downward pointing oil filter see Service Bulletin B 8 oil leakage is experienced between the filter head and cylinder block faces the unit should be removed and the following procedure carried out T Remove the canister and element Clean the oil from the filter head casting by washing in a suitable solvent and thoroughly dry out Reface the oil filter joint face by rubbing on a piece of emery cloth placed on a surface plate ar ona piece of plate glass Tak
34. r is fitted on top of the cylinder head To gain access to the element unscrew the wing nut and remove the washer and top cover the element can now be lifted out When replacing the element ensure that it is seated correctly in the bottom plate Also check that the rubber sealing ring between the bottom plate and the base is correctly fitted otherwise air will by pass the cleaner element DISTRIBUTOR DRIVE GEAR END FLOAT Models affected All The minimum end float of the distributor drive gear has been increased from 003 07 mm to 004 10 mm by reducing the thick ness of the thrust washer Contes Jaguar Cars Limited 2005 It is important vhen assembling the drive gear to check the end float and ensure that it is not less than 004 If the end float is found to be less than this figure the phosphor bronze distributor gear should be examined for signs of indentation by the shoulder of the drive shaft If indented a new distributor drive gear should be fitted Otherwise the thrust washer can be reduced in the thickness by rubbing down on a piece of emery cloth placed on a surface plate Amendment to the Zef 3 4 litre Service Manual On page B 24 under the heading Fit Distributor and Oil pump drive gear amend end float to read 004 to 006 10 to 15 mm Jaguar Cars Limited 2005 JAGUAR Number B 6 Section Engine Sheet 1 of 1 Date July 1960 SPARKING PLUGS RECOMMENDATION U S A CANADA AND MEX
35. stos rope oil seal in an annular groove is introduced A modified crankshaft is also introduced in conjunction with this new seal Spares Bulletin number A 66 refers DIPSTICK GUIDE TUBE Models affected Between Engine Numbers 3 4 litre Mark 2 KG 2095 and KG 5365 3 8 litre Mark 2 LA 2782 and LA 8592 Jaguar Cars Limited 2005 Parts required C 19964 Dipstick guide tube l off UFB 131 13R Bolt l off C 12344 Distance piece l off FW 105 T Plain washer 1 off Difficulty has sometimes been experienced in replacing the dipstick on cars with the above Engine numbers fitted with swept back exhaust manifolds but not fitted with a dipstick guide tube To deal with this condition a guide tube has been designed to he attached to the clutch housing support bracket securing bolt nearest the dipstick boss To fit the guide tube remove the forward support bracket securing bolt and replace it with a longer one UFB 131 13 R Place the distance piece C 12344 over the bolt and on top of the cylinder block flange Place the dipstick guide tube over the dipstick boss so the elongated hole in the bracket fits over the bolt and on top of the distance piece and secure loosely with the plain washer FW 105 T and the original spring washer and nut Taper the extreme end of the dipstick blade to facilitate entry and insert the dipstick through the guide tube and into the cylinder block Having thus lined up the guide tube and
36. ted to engines with numbers prior to that shown above provided that modified dynamo crank shaft and water pump pulleys are also fitted Spares Bulletin number A 74 refers MODIFIED CYLINDER HEAD GASKET Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 5531 3 4 litre Mark 2 KH 3644 3 8 litre Mark 2 LC 1100 et Type R 3691 On cars with the above engine numbers and onwards a modified Jaguar Cars Limited 2005 Fcontinued overleaf cylinder head gasket Part No C 19112 2 4 and 3 4 litre C 19113 3 8 litre and E Type is fitted This gasket has enlarged main cylinder head stud holes and is interchangeable with the gasket fitted previously It is recommended that the cylinder head nuts are re checked for tightness at the First 500 miles Free Service The correct torque figure for the cylinder head nuts is 54 lb ft 650 lb ins 7 5 kgm e Spares Bulletin number A 76 refers Jaguar Cars Limited 2005 JAGUAR Number B 17 Section Engine Sheet 1 of 1 Date April 1962 INTRODUCTION OF DUPLEX FAN BELT Models affected Commencing Engine Numbers 3 4 litre Mark 2 KH 4093 3 8 litre Mark 2 LC 1672 On cars with the above engine numbers and onwards a single fan belt Part No C 19522 having twin vee tracks is introduced The water pump dynamo crankshaft and jockey pulleys are also modified to suit the new fan belt This fan belt may be fitted to engines with numbers prior to that sho
37. tted with C 14806 or C 14806 1 pistons in sets Unchamfered Cylinder Heads Must only be fitted with C 14806 l pistons which have a Continued overleaf Jaguar Cars Limited 2005 modified crown to prevent fouling between the piston and cylinder head Note Prior to the following engine numbers the C 14806 piston was fitted therefore an unchamfered cylinder head must not be fitted unless the combustion chambers are machined with a chamfer or a set of C 14806 1 pistons is fitted Mark IX NC 7282 XK 150 3 8 litre VA 1543 Mark 2 3 8 litre LA 2578 COMBUSTION CHAMBER CHAMFER 3 408 86 6 MM 10 Amendment to Service Bulletin Number B 12 Include the following information on Bulletin B 12 Since the issue of the above bulletin the cast iron crank shaft pulley and automatic fan belt tensioner have been introduced on cars with the following engine numbers Engine Number 3 4 litre Mark 2 with manual steering KH 3116 3 8 litre Mark 2 with manual steering LB 8868 Jaguar Cars Limited 2005 JAGUAR Number B 15 Section Engine Sheet 1 of 1 Date February 1962 REDUCED BIG END CLEARANCES Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 5165 3 4 litre Mark 2 KH 3229 3 8 litre Mark 2 LB 9109 E Type R 3162 Mark 10 ZA 1054 on cars with the above engine numbers and onwards new big end bearings Part No C 18712 with reduced running clearances aresfitted These bearings may be
38. wn above provided that modified dynamo crankshaft water pump and_jockeypulleys are also fitted Spares Bulletin number A 77 refers MODIFICATION TO BREATHER PIPE TO OVERCOME GONDENSATION Models affected Commencing Engine Numbers Mark 10 ZA 1357 g Type R 4223 To avoid the possibility of water condensation being drawn into the engine via the breather pipe a 1 16 1 6 mm hole is drilled in the underside of the pipe This hole is situated approximately 6 16 5 cm inwards from the bend beneath the rubber connection which attaches the breather pipe to the air cleaner MODIFIED OIL SUMP Models affected Commencing Engine Numbers 2 4 litre Mark 2 BH 5853 3 4 litre Mark 2 KH 4020 3 8 litre Mark 2 LC 1506 On cars with the above engine numbers and onwards a modified oil sump Part No C 19922 is fitted The oil return hose to sump connection has been modified to provide easier fitment The sump is only interchangeable on Mark 2 models having the Ja continued 2005 oil filter inclined downwards On Mark 1 and early Mark 2 cars having the oil filter in an upwards direction the sump cannot be fitted Spares Bulletin number A 78 refers Jaguar Cars Limited 2005 JAGUAR Number B 17 2nd issue Section Engine Sheet 1 of 1 Date May 1962 This Service Bulletin supersedes the original issue of Bulletin B 17 of April 1962 which should be destroyed INTRODUCTION OF DUPLEX FAN BELT Models affected
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