Argo Service Manual Ducting & Exhaust
Contents
1.2. Assembling and Installing the Muffler Assembly Conquest Models 1 Onan uncluttered work surface orient the muffler heat shield assembly with the rubber shock lower support to the back Insert the muffler into the shroud with the exhaust inlet situated to the right Photo DE 15 2 Turning the tailpipe end of the shroud around to face the assembler will put the tailpipe also to the right side of the shroud Photo DE 16 3 Reinstall the 2 lower fasteners to secure the muffler at the bottom of the shroud Photo DE 17 4 Flip the assembly over and secure the muffler at the exhaust inlet end Photo DE 18 5 Secure the heat shield with the appropriate hardware Refer to your illustrated parts manual for correct hardware and orientation Photo DE 19 6 Install the assembly into the vehicle at 90 degrees compressing the rubber mounted lower support to ease the installation and provide enough clearance in the engine compartment Photo DE 20 Set the assembly on to the front wheel well temporarily Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 6 Argo Service Manual Ducting amp Exhaust 7 Re fasten the exhaust manifold to the engine Torque to specification IMPORTANT Exhaust manifold gaskets should be replaced with new ones 8 Assemble the muffler assembly to the exhaust manifold The original compression springs may be reused but new hardware is recommended IMPORTANT W
3. FAX 519 662 2421 DE 2 Argo Service Manual Ducting amp Exhaust Removing the Muffler Conquest Models l On Conquests manufactured prior to C19672 Remove the 2 fasteners in the top of the heat shield Photo DE 1 Depending on the age of the vehicle a few earlier models utilized a fiberglass heat shield This part is no longer available but is fully exchangeable with the newer version NOTE Collect the 2 spacers that are installed beneath each fastener Remove the 2 fasters securing the manifold cover to the muffler shield assembly and remove the manifold cover Photo DE 2 amp 3 3 The lower shroud is secured by 2 more fasteners Remove the 2 fasteners and lift the lower shroud from the vehicle Photo DE 4 4 Disconnect the muffler at the manifold Photo DE 5 The muffler and exhaust mani fold are joined together with 2 bolts 4 flatwashers 2 compression springs and 2 locking style nuts Refer to the illustration in the appropriate parts manual for a breakdown and orientation of the hardware Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 3 Ducting amp Exhaust Argo Service Manual 5 There are 2 fasteners securing the the entire muffler assembly to the lower body These are located at the lower body under the front wheel It may prove easier to remove the front wheel to access the fastener heads with a socket or wrench Photo DE 6 amp 7 6 Pull the mu
4. SN7841 S8131 and prior to R19647 S13434 amp N13436 are as in Photo DE 27 On models manufactured from R19647 813434 amp N13436 i Reassemble the muffler to the engine and torque to specifications 11 Slip the tailpipe from the engine compartment side through the exhaust screen hole and connect at the muffler with 2 extension springs Photo DE 28 2 Reinstall the exhaust duct cover using the appropriate hardware refering to the illus trated parts manual NOTE 6x6 Vangards manufactured prior to S8131 utilize a shroud below the muffler as well Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 10 Argo Service Manual Ducting amp Exhaust Removing the Muffler Bigfoot Models 1 Remove the four fasteners securing the muffler heat shield and remove the shield 2 Disconnect the extension springs between the tailpipe and muffler and pull the tailpipe from the engine compartment 3 Remove the muffler at the engine Installing the Muffler Bigfoot Models IMPORTANT Always replace exhaust gaskets when servicing the muffler system 1 Attach the muffler at the engine and torque to specifications 2 Slip the tailpipe from the engine compartment side through the exhaust screen hole and connect at the muffler with 2 extension springs 3 Assemble the heat shield to the top of the muffler using the 4 fasteners required Spark Arrestors Cleaning the Spark Arresto
5. servicing procedure Installing the Muffler Response Vanguard2 and Vanguard Models or Installing the Muffler Bigfoot Models 5 Reinstall the bumper Removing the Exhaust Ducting Conquest from C19686 all 6x6 Conquests and all 35th anniversary vehicles 1 Perform the servicing procedure Removing the Muffler Conquest on page DE 7 of this service guide 2 Remove the 2 fasteners securing the exhaust ducting to the hood support brace See Photo DE 32 previous page 3 The exhaust ducting is secured at the other end by a body rivet located at the upper body beneath the rubber bumper See Photo DE 33 previous page Peel back the bumper and drill out both rivets 4 Pull the duct assembly in towards the engine compartment and up and out of the vehicle Installing the Exhaust Ducting Conquest from C19686 all 6x6 Conquests and all 35th anniversary vehicles 1 Insert the ducting into the engine compartment Slip the exhaust duct support be tween the upper and lower body aligning the holes in the support with the rivet holes of the previously removed rivets 2 Insert 2 body rivets through the body and shroud support and secure with 2 washers below 3 Fasten the duct at the upper hood brace assembly 4 Perform the servicing procedure Installing the Muffler Conquest on page DE 8 of this service guide 5 Reinstall the bumper Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 15
6. using washers on the underside of the vehicle Reinstall the rubber bumper Removing the Exhaust Ducting Response Bigfoot Vanguard2 amp Vanguard Models 1 Perform the servicing procedure Removing the Muffler Response Vanguard2 amp Vanguard Models or Perform the servicing procedure Removing the Muffler Bigfoot Models 2 Remove the 2 fasteners securing the exhaust ducting to the hood support brace Photo DE 32 3 The exhaust ducting is secured at the other end by 2 body rivets located at the upper body beneath the rubber bumper Photo DE 33 Peel back the bumper and drill out both rivets a pene eae v a a Lete L eae U ts uippo Rive Jere o Upper amp Lower Body ie ae E m a a 4 Pull the duct assembly in towards the engine compartment and up and out of the vehicle DE 33 Installing the Exhaust Ducting Response Bigfoot Vanguard2 amp Vanguard Models 1 Insert the ducting into the engine compartment Slip the exhaust duct support be tween the upper and lower body aligning the holes in the support with the rivet holes of the previously removed rivets 2 Insert 2 body rivets through the body and shroud support and secure with 2 washers below Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE I4 Ore Keon Argo Service Manual Ducting amp Exhaust 3 Fasten the duct at the upper hood brace assembly 4 Perform the
7. 17 utilize a sheet metal style intake duct Intake ducts on Models manufactured from the above serial number are made of moulded plastic Earlier sheet metal ducts are no longer available but the newer style is fully exchangeable However optional parts are necessary when ordering your replacement To remove the intake duct on Conquest models the upper body must be split from the lower body 1 Peel off the rubber bumper assembly from the vehicle You need only strip it off far enough off to drill out the speci fied rivets 2 Using a 3 16 drill bit remove the riv ets starting from the front center of the vehicle to approximately the dash area Photo DE 31 Remove Rivets 3 Separate the upper and lower body sup porting it apart using a couple of 2x4 pieces of wood 4 Locate the fasteners securing the intake duct to the lower body and remove 5 Raise the upper body from the lower high enough to accommodate the height of the duct as you pull it out from between the two Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 13 a 7 Wonld comi Ducting amp Exhaust Argo Service Manual Installing the Intake Duct Conquest Models 1 Slip the intake duct between upper and lower body 2 Position the duct so that both duct and lower body mounting holes are aligned 3 Install the hardware required to fasten the duct to the lower body 4 Re rivet the upper body to the lower
8. Argo Service Manual Ducting amp Exhaust Ducting amp Exhaust Table of Contents General PIVSUP UC TIONS ics sccesceccscesesscces stecensscesseysesnuscacsyeisctesensecnaesseesscesens DE 2 Removing the Muffler Conquest Models Prior to C19672 ssscssccscccssssssssssscccccccessssscees DE 3 Disassembling the Muffler Assembly Conquest Models Prior to C19672 ssccsccscccsssssssssscccccccccsssscsees DE 5 Assembling the Muffler Assembly Conquest Models Prior to C19672 sscscccsccsssssssssssccccccccssssscees DE 6 Removing the Muffler Conquests from C19672 cccccccssssssccceees DE 7 Installing the Muffler Conquests from C19672 sssssssccccesees DE 8 Removing the Muffler Response Vanguard2 amp Vanguard DE 8 Installing the Muffler Response Vanguard2 amp Vanguard DE 10 Remove the Muffler Bigfoot Models ssssscccssssssscccccsssssscocees DE 11 Installing the Muffler Bigfoot Models sssssccccssssssccccsssssssees DE 11 Spark Arrestor Information amp Maintenance sscccccccsssssscocees DE 11 Removing the Intake Duct Response Bigfoot Vanguard2 amp Vanguar cssccccccccsssscscoces DE 12 Installing the Intake Duct Response Bigfoot Vanguard2 amp Vanguard cccccccccssssssssscccoees DE 13 Removing the Intake Duct Conquest Models sssssssssscsseees DE 13 Inst
9. Bigfoot Vanguard2 amp Vanguard Models l 2 gt Locate the 2 fasteners securing the intake duct to the hood frame assembly and re move There are 2 spacers assembled with the fasteners Photo DE 29 Undo the fuel line from the nylon clips securing it to the intake duct Pull the ducting from the vehicle Navigate it towards the front of the vehicle pulling it up and out Photo DE 30 NOTE 6x6 Vanguards manufactured prior to S8131 will have a spring attached at the rear of the intake and connected to a small molly hook that is riveted to the lower body wheel well See the appropriate illustrated parts manual Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 12 Argo Service Manual Ducting amp Exhaust Installing the Intake Duct Response Bigfoot Vanguard2 amp Vanguard Models 1 Install the intake duct inserting it closest to the front of the vehicle This is where the widest available area allows it to be pushed into the vehicle Position it in front of the engine flywheel fan assembly 2 Fasten the intake duct to the hood support assembly using the spacers and 2 fasten NOTE On 6x6 Vanguards manufactured prior to S8131 reconnect the extension spring from the intake duct to the molly hook on the lower body 3 Secure the fuel line to the nylon clips at the intake duct Removing the Intake Duct Conquest Models Conquest models maufactured prior to CB171
10. Models 1 Install the muffler to the engine exhaust manifold and torque to specifications IMPORTANT New exhaust gaskets are recommended when ever servicing the muffler system 2 Install the tailpipe spark arrestor to the muffler connecting with 2 extension springs 3 Install the heat shield over the muffler securing with 4 fasteners Refer to the illus trated parts manual for correct hardware and orientation Removing the Muffler Response Vanguard2 amp Vanguard Models 1 Remove the exhaust duct cover On 6x6 Vanguards manufactured prior to S8131 i Remove the 3 fasteners securing the exhaust duct cover and remove the cover This exhaust shroud system utilizes a duct below the muffler See the appropriate illus trated parts manual for component structure on these earlier models On vehicles manufactured from 8131 SN8138 RB12075 and prior to 13434 N13436 R19647 1 Remove the 3 fasteners that secure the exhaust duct cover and remove the cover Photo DE 23 On vehicles manufactured from 813434 N13436 and R19647 l Remove the 4 fasteners that secure the exhaust duct cover and remove the cover Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 8 Argo Service Manual Ducting amp Exhaust 2 Disconnect the extension springs On models manufactured prior to R19647 S13434 amp N13436 1 Remove the extension springs connecting the muffler to the e
11. alling the Intake Duct Conquest Models sscccoccssssssssooees DE 14 Removing the Exhaust Ducting Response Bigfoot Vanguard2 amp Vanguard cssscccccccssssssscces DE 14 Installing the Exhaust Ducting Response Bigfoot Vanguard2 amp Vanguard Models sscssccceee DE 14 Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 1 S 6X6 Wonld comi Ducting amp Exhaust Argo Service Manual General Instructions A WARNING Detailed information on standard workshop and safety procedures and general Servicing operations is not included in this manual which has been prepared to assist qualified service personnel ODG assumes no responsibility or liability for PERSONAL INJURY or VEHICLE DAMAGE which results from any servicing procedure performed including those instructions outlined in this manual Before performing a servicing operation an individual must have determined to his her satisfaction that a personal injury or vehicle damage will not result from the servicing procedure or tools selected A WARNING Do not service the exhaust system when it is hot Severe burns can occur to hands and arms Eye protection must be worn at all times during vehicle servicing All sath ANVAR Moaes Conquest ExhausteFrom C19672 amp aa _ Prior to C19672 SELEY Se 813434 N13436 gt N13436 Ontario Drive amp Gear Limited www odg com PH 519 662 2840
12. ffler and shroud assembly into the engine compartment area enough for the tailpipe to clear the outside exhaust screen Turn the assembly 90 degrees and shove it back over the wheel well temporarly until the exhaust manifold has been removed Photo DE 8 7 Unbolt the exhaust manifold and re move it from the engine Photo DE 9 8 Slide the muffler asssembly towards the engine compartment and up and out of the vehicle Photo DE 10 Compress the rubber shock mounted lower support to narrow the width of the assembly while pulling up and out from the compartment Ontario Drive amp Gear Limited PH 519 662 2840 FAX 519 662 2421 DE 4 Argo Service Manual Ducting amp Exhaust Disassembling the Muffler Assembly Conquest Models 1 Onaclean work surface remove the single fastener and spacer securing the heat shield to the muffler assembly Photo DE II 2 The above heat shield removed exposes another fastener securing the muffler to the shrouding Remove this fastener Photo DE 12 3 Flip the assembly over and remove the 2 fasteners securing the muffler on the other side of the shield assembly Photo DE 13 4 Slide the muffler assembly from the heat shield Photo DE 14 5 Remove the fastener securing the tailpipe and spark arrestor and pull the tailpipe from the muffler assembly Ontario Drive amp Gear Limited PH 519 662 2840 FAX 519 662 2421 DE 5 Ducting amp Exhaust Argo Service Manual
13. hen tightening down the hardware between muffler and exhaust manifold it is critical not to overtighten the hardware By no means should the compression spring become coil bound Tighten only enough to provide a good seal between muffler and manifold Over tightening can cause undue stress at the muffler inlet due to the twisting and turning of the vehicle under application Correct tension at the compression spring allows for movement in this area 9 Reinstall the manifold heat shield and lower cover Use the appropriate hardware as illustrated in your parts manual 10 Fasten the muffler and shroud assembly to the lower body at the front wheel well The lower rubber mounted support is slotted to provide adjustment for the tailpipe at the exhaust screen hole Ensure that the tailpipe does not touch any of the surround ing screen area and secure the assembly to the lower body Removing the Muffler Conquest Models On Conquest vehicles manufactured from C19686 all 6x6 Conquests and all 35th anniversary vehicles 1 Remove the 4 fasteners securing the heat shield over the muffler Photo DE 21 Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 7 Ducting amp Exhaust Argo Service Manual 2 Disconnect the 2 extension springs connecting the tailpipe to the muffler and remove the tailpipe Photo DE 22 3 Unfasten the muffler at the engine and remove Installing the Muffler Conquest
14. r Only for equipped models Models Equipped with Spark Arrestors Conquest All Models Response Models manufactured from R19647 Models manufactured from BF13028 Vanguard2 Models manufactured from N13436 Vanguard Models manufactured from 13434 Conquest 6x6 Models manufactured from C12747 A CAUTION After operating the engine do not touch any part of the exhaust system until it has sufficient time to cool 1 Keep a record of the number of hours of engine use The spark arrester should be removed cleaned and inspected every 50 hours of operation Ontario Drive amp Gear Limited www odg com PH 519 662 2840 FAX 519 662 2421 DE 11 l Caen Werbheon n Ducting amp Exhaust Argo Service Manual Se S Ss S Remove the tail pipe assembly by disconnecting the springs from the muffler at tached to the tail pipe The screen type spark arrester assembly is located inside the tail pipe It is fastened with one 1 slotted washer head hex screw Find the screw on the side of the outlet tube Remove the screw and save it for step 9 Take off the screen type spark arrester assembly Shake loose particles out of the screen assembly Clean the screen with a wire brush Soak it in oil solvent 1f necessary If any breaks in the screen or weldments are discovered replace the assembly Return the screen assembly to the outlet tube and refasten it with the screw from Step 4 Removing the Intake Duct Response
15. xhaust manifold Photo DE 24 On models manufactured from R19647 813434 amp N13436 i Disconnect the extension springs connecting the tailpipe to muffler and pull the tailpipe out of the vehicle from the engine compartment Photo DE 25 3 Remove the muffler On vehicles manufactured from 6999 SN8138 RB12075 and prior to 13434 N13436 R19647 i Pull the muffler from the exhaust ducting Photo DE 26 On models manufactured from R19647 S13434 amp N13436 i Unfasten the muffler from the engine and remove Ontario Drive amp Gear Limited PH 519 662 2840 FAX 519 662 2421 DE 9 Ducting amp Exhaust Argo Service Manual Installing the Muffler Response Vanguard2 and Vanguard Models 1 Install the muffler On vehicles manufactured from 6999 SN8138 RB12075 and prior to 13434 N13436 R19647 i Assemble the muffler into the exhaust ducting aligning the tailpipe with the outlet hole in the exhaust screen The tailpipe should be facing slightly down and towards the rear of the vehicle Photo DE 27 11 Connect the extension springs between the muffler and exhaust manifold NOTE On 6x6 Vanguard vehicles produced prior to S8131 the outlet pipe of the muffler is straight cut This tailpipe protrudes straight out of the exhaust screen Refer to the illustration in the appropriate parts manual for vehicles manufactured in this serial number range All vehicles manufactured from RB12075
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