Tire/Wheel Balancing Machines
Contents
1. chline News New Service Information Search Functions Several enhancements were recently made to GM Service Information based on user feedback making it easier to search for specific informa tion and providing quick access to commonly used information Bulletin Search When performing a bulletin campaign and preliminary information search users can now search by Year Range Model and Keyword Year Range Model and Keyword search option auc Ss TECHIE 4 Z Tire Wheel Balancing Machines During tire and wheel diagnosis for a vibration condition it s necessary for dealerships to have GM approved tire force variation measurement equipment that can address imbalance out of round and tire force variation conditions The right equipment is a valuable tool in diagnosing vehicle ride concerns Some older equipment may not be capable of meeting today s require ments for road force balancing Proper tire and wheel diagnosis includes in specting the tires and wheels as well as road testing the vehicle If the road test indicates a shake vibration condition exists use a calibrated off car dynamic balancing machine to check the imbalance of each tire wheel assembly Balancer Calibration TIP Tire and wheel assembly balancer machine calibration should be checked regu larly If it s is used frequently the machine should be calibrated at the start of every day continued on page 2 CONTENTS Tire Wheel2. information about the upgrade process Do not click the button on this screen to Reserve your free upgrade If you have already reserved your upgrade cancel it Installing Windows 10 will make the Techline applications unusable and prevent technicians from diagnosing and repairing vehicles Current Techline applications including TIS2Web GDS 2 MDI MDI Manager and Tech2Win are not compatible with Windows 10 The conversion back to Windows 7 can take several hours and will not be supported by the Techline Customer Support Center When will GM Techline be ready for Windows 10 The changes needed to become compatible are under evaluation Currently the target is mid year 2016 Thanks to Lisa Scott July 2015 Techline News New Service Information Search Functions continued from page 1 The Model option is a new function replacing the Platform option Now users can select the Model Silverado 4WD rather than the Platform K Truck that may not have been known Keyword Search Default Another new search function is that the Service Information application now remembers the last search default either Documents or Titles Click the Search drop down menu at the top of the screen when performing a Basic or Advanced search to change the search default Previously the user was always returned to Documents as the default search Now if Titles was selected when performing a service manual searc
3. Balancing Machines 1 Do Not Install Windows 10 Upgrade 2 Printing Service Information Graphics 3 Pilar Area Water Leak 4 Trunk Does Not Open s11 5 HVAC Blows Only from Vents 5 Bulletin Review aaaeeeaeo 8 Service Know How ssaa eae continued on page 3 3 Tire Wheel Balancing Machines continued from page 1 Refer to the Tire and Wheel Balancing pro cedures in the appropriate Service Information Some newer machines are self calibrating If a vibration or shake still exists after balancing any out of round conditions of the wheel and force variation conditions of the tire must be addressed GM approved tire force variation measurement equipment can address both RFV Measurement Tire radial force variation RFV measure ment equipment loads the tire similar to on the vehicle and measures radial force vari ation of the tite wheel assembly To isolate the wheel its runout must be measured IF the wheel meets the runout specification the tire s RFV can then be addressed After measuring the tire wheel assembly under load and the wheel alone the balancing machine then calculates the radial force variation of the tire The tire force variation measurement equipment can find the low point of the wheel for runout and the high point of the tire for radial force variation This allows the tire to be matched mounted to the wheel for lo
4. Fim Shite 2015 Cadillac Escalade Escalade ESV 2015 Chevrolet Point and Programming Shudder Engine RPM Flare and DTCs Siverado 2015 GMC Sierra Yukon Yukon XL paaien P0606 P1GF3 or P2818 Transmission Transade Engine 08 06 03 004N Warranty Code Generated By 2016 and Prior GM Passenger Care and Light Duty Trucks pa ETE EL 5031 Midtronics GR Battery pt Tester Charger Required for Claim General Information Poole gaaer 4041510 4041520 and 250 Mile 400 Km Labor Operation Restriction Engine 15 06 08 002 Original Equipment Batteries Part 2013 2015 GM Passenger Gars and Trucks Engine Propulsion Number and ACDelco Replacement Battery Approved Warranty Part General Information Namora i Engine 07 06 04 019E Intermittent Malfunction Indicator 2005 2015 GM Passenger Cars and Light Duty Trucks aiaia Lamp MIL liuminated DTC P2138 Pt with Reduced Engine Power Engine 13 06 01 0018 Information on Customer Questions 2006 2013 Chevrolet Corvette 427 Corvette 206 2014 Enna Plo About Valve Guide Wear Chevrolet Camaro 2 28 Engine Propulsion 1506 01 02 Engine Misre Tick Noise 2015 Cadilac Escalade 2014 Chevrolet Silverado 1600 2014 Malfunction Indicator Lamp MIL On 2018 Chevrolet Corvette 2015 Chevrolet Siverado Suburban DTC Pos00 Set Tahoe 2014 GMC Sierra 1500 2018 GMC Sierra Yukon Yukon XL General information 06 08 00 004G Squeak Noise from Rear of Vahide 1999 2007 Chevrolet Silverado lassie 2007 2012 Chevrolet
5. basia Colorado 2007 2015 Chevrolet Siverado 2015 Chevrolet Colorado 1999 2007 GMC Sierra Classic 2007 2012 GMC Canyon 2007 2018 GMC Sierra 2018 GMC Canyon 2007 HUMMER H3 HST General Information 02 00 89 0020 Information for Dealers Technicians 2016 and Prior GM Passenger Care and Trucks on When and How to Submit Field Product Report FPR General Information 09 00 89 002K Properly Maintaining Vehicles in 2011 2016 GM Passenger Gars and Trucks Dealer Inventory Power and Signal Distibution 08 07 90 021H Loss of High Speed GMLAN 2007 2009 Cadillac XLR 2007 2014 Cadilac Escalade Model 2009 2013 Cadillac Escalade Hybrid 2007 2013 Chevrolet Avalanche Silverado 1500 2007 2014 Chevrolet Corvette Silverado 2500 3800 Suburban Tahoe 2008 2013 Chevrolet Silverado Hybrid Tahoe 2007 2013 GMC Sierra 1500 2007 2014 GMC Sierra 2800 3500 Yukon Models 2008 2013 GMC Sierra Hybrid Yukon Hybrid 2008 2009 HUMMER H2 Service Know How 10215 07D Emerging To view Emerging Issues seminars Log in to www centerlearning com Select Resources gt Service Know How TECHAssist gt Emerging Issues gt Searchable Streaming Video or Select Catalog to search for the course number and then select View gt Take or Continue Course July 2015 July 9 2015
6. snapped into position Marie Meredith Any sort of preload on the ETR cable will not allow the latch to release when any of the Graphic Design electric switches are used The handle must be physically pushed up and snapped into the 5by5 Design LLC bezel if it is out of position ign dkelly SbySdzign com Thanks to Christopher Crumb Fax number 1 248 729 4704 HVAC Blows Only from Vents PO Box 500 Troy MI 48007 0500 The HVAC sys tem on some GM TechLink on the Web 2015 Colorado GM GlobalConnect and Canyon models may not switch to the floor mode When the floor mode is se lected the HVAC system will typi cally direct airflow to a blend of the defrost and dash vents General Motors service tips are intended for use by professional technicians not a do it yourselfer They are written to inform those technicians of conditions that may occur on some vehicles or to provide information that could assist in the proper service ofa vehicle Properly trained technicians have the equipment tools safety instructions and know how to do a job properly and safely If a condition is described do not assume To repair this that the information applies to your condition align vehicle or that your vehicle wil have that the mode door condition See a General Motors dealer levers to the servicing your brand of General Motors mode control The levers and the link studs should align with the round windows on th
7. with difficult vibration conditions Some early generations may require several inspections to determine if any major components are worn For example measure around the shaft at several points with a caliper or micrometer Since the shaft is tapered measure it at the spring plate not at the end of the shaft IF the shaft has more than 0 002 inches of wear the shaft is 1 572 inches or less it is out of specification To help identify the different generations of the equipment look at features such as the monitor type and roller size Generation 1 GSP9702 Up to 17 years old Color CRT moni tor 6 inch roller Generation 2 GSP9712 Up to 14 years old Color CRT or LCD monitor on a control shelf 9 5 inch roller Cy e Generation 3 GSP9722 Up to 8 years old Integrated color LCD monitor 95 inch roller d Generation 4 Road Force Touch Up to 3 years old Auto calibrating Integrated color LCD touch screen 95 inch roller Thanks to Dave MacGillis and Chuck Berecz Do Not Install Windows 10 Upgrade Microsoft recently announced that Windows 10 will be available on July 29 2015 In addition Microsoft is offering free upgrades for one year for Windows 7 and 8 users Microsoft pushed an icon to the desktop tray of users eli gible for the upgrade Opening the icon presents a Screen with Windows 10 free upgrade screen
8. Items quick ink Search Help For additional tips on using the Service Information search functions click the Search Help link at the top of the screen If you have any questions on how to use the Service Information contact the Techline Customer Support Center at 1 800 828 6860 English or 1 800 503 3222 French Thanks to Lisa Scott Printing Service Information Graphics GM Service Information features many graphics that may be more helpful during repairs when printed TIFF and CGM graphic view ers must be downloaded by the user in order to view the enhanced graphics and have access to new print features To take advantage of the detailed graphics and other features select the Help icon from the Service Information home page menu and click TIFF and CGM Graphic Viewers Download and Execute Follow the on screen instructions to install the image viewer plug in New computers will need to have both plugins downloaded Oth Ov ae erwise download only the CGM plugin to receive the new print features The original CGM plugin does not need to be removed to Click the TIFF and CGM Graphic Viewers link for download instructions install the newest version FAPA 6054 02 The updated viewer include a new toolbar with a Print button that allows users to print full page graphics The Print Preview button next to the Print button allows the graphic to be viewed before printing In addi
9. e cam vehicle for information on whether your cam Refer to indicated by the arrow vehicle may benefit from the information the appropriate Inclusion in this publication is not Service Infor necessarily an endorsement of the mation procedure for Mode Control Cam Replacement For proper alignment of the mode ineividl or the company control cam the levers and the link studs should align with the round windows on the cam Do not replace the mode control cam unless damage is found tee Thanks to Ken Cole July 2015 5 Bulletin Review Transmission Transaxle emus erent No Crank IP Gage Fluctuation Intermittent Door Lock Cycling Intermittent Chime Operation Various IP Warning Lamps lluminated Transmission May Not Shift Engine May Stall Communication DTS 10873 Uaroo Lott Uor02 t0109 Uor2t er U0140 Set Bulletin Category Bulletin Number Subject Models Body Systeme 15 08 45 001 Various Electrical Concerns 2004 2012 Chevrolet Malibu Malibu Ma 2005 2010 Pontiac k G8 2007 2009 Saturn AURA Driver Information and Entertainment Engine Power and Signal Distribution Seats Suspension Body Systems 15 08 70 001 Driver Outside Wide Load Mirror Turn 2015 Chevrolet Silverado 1500 2015 Chevrolet Silverado Signal Too Bright 2500 3800 with RPO AVF 2018 GMC Sierra 1500 2018 GMC Sierra 2500 2500 with RPO AVE Diagnostic Overview Staring 15 07 90 002 MIL Muminated with
10. h the default search of Titles will be maintained when going to another publication such as owner manuals when performing a search The Service Information application still defaults to the Basic search The Basic search function enables the user to search the entire document or document titles with as many as five keywords Valid keywords appear in the Symptom and DTC keyword Select Documents or Titles five words For example throttle position sensor Valid search characters also include slash period and hyphen For example a c 5 7L TIP Labor codes are not part of the title To return a result when searching labor times the default needs to be set to Documents Quick Links Two new quick links have been added to the top of the search page All quick links are located in the Keyword Search function after building the vehicle The new Maintenance Items link provides a listing of the maintenance procedures and associated links or instructs users where to lists find the maintenance procedures including fluid capacities The other new quick link is the RPO Code List It provides all RPO codes for the vehicle that was built in the search fields The Advanced search function allows the user to search the entire document or docu ment titles with a phrase with as many as Other quick links include Diagnostic Start ing Point Diagnostic Trouble Code List and Symptom List Maintenance
11. rim Thanks to Kacy McCure Quarter panel to roof panel area t Check for a pinched or restricted vacuum line July 2015 Trunk Does Not Open The trunk may not open when using the Remote Keyless Entry transmitter key fob trunk touchpad or inside release button on the driver s door panel on some 2014 2015 CTS Sedan and 2015 ATS Coupe models When trying to open the trunk a low volume audible GM TechLink is published for all GM retail technicians and service consultants to provide timely information to help increase know ledge about GM products and improve the performance of the service department click may be heard This Publisher condition may be caused John Meade by the Emergency Trunk GM Customer Care and Aftersales Release ETA handle Three tabs on the bezel Proper positioning of the handle fat 3 being moved out of posi Teone a arapped up rio tha bezal o ea tion by items stored in E Lisa G Scott the trunk To open the trunk if this condition is present enter the trunk through the rear seat GM Customer Care and Aftersales access and pull the ETR handle Taa Efi If the ETR handle bezel is positioned incorrectly where it comes through the opening in the Mark Spencer deck lid liner check the orientation of the tabs on the bezel All three tabs should be visible mspencer agpstrategies com inside the trunk Production Manager The position of the handle should be flat when the bezel is properly
12. sealer between the C pillar and rear quarter panel IF seam sealer is not present or if any gaps are found in the sealer apply clear flowable seam sealer be tween the C pillar and rear quarter panel sheet metal Apply seam sealer between the C pillar and rear quarter panel VAC M On some 2012 2015 Express and Savana vans it may be difficult to change the HVAC mode or select the Defrost or Recirculation position These vehicles use vacuum actuators to operate the HVAC mode defrost and recirculation doors Check for a pinched or restricted vacuum line from the HVAC control head to the affected actuator Most issues are located near the HVAC control head Thanks to Scott Fibranz sd Area 2 With the roof rail removed on the affected side inspect the exist ing seam sealer in the door sur round to quarter panel and roof panel for skips or pin holes Fill any voids or pin holes found in the existing seam sealer with clear flowable seam sealer Door surround Area 3 With the roof rail removed on the affected side in spect the existing seam sealer in the quarter panel to roof panel for skips or pull away along the outboard edge Apply clear fow able seam sealer along the rear quarter panel to roof seam Test to ensure the water leak has been re paired in all areas If the seat belt retractor requires replacement replace the retractor and then reinstall the interior t
13. tion the Page Setup button can be used to change the orientation of the image portrait or landscape or change the selected paper size t Thanks to Lisa Scott The new toolbar includes a Print button July 2015 C Pillar Area Water Leak Some 2015 Tahoe Suburban Yukon models and Escalade models may have wet carpet in the C pillar area The second row outboard seat belt also may be wet or have gotten wet To correct the water leak condition there are three areas of body seam sealer that need to be addressed The luggage carrier roof side rail on the affected side will need to be removed with the pillar trim being repositioned and the headliner partially lowered for rail access On the affected side reposition the C pillar body lock pillar upper trim panel and partially release the for ward portion of the cargo area quarter lower rear trim panel to allow for in spection of the second row out board seat belt webbing and retractor Inspect for water stains on the retractor and webbing and on the sheet metal near the retractor Three areas of body seam sealer need to be addressed TIP If an outboard seat belt is determined to have become wet at any time the seat belt retractor assembly must be replaced Do not replace the seat belt retractor assembly until the water leak repair has been performed Area 1 With the quarter panel weather strip removed inspect for clear seam
14. west tire wheel assembly force variation TIP When mounting a wheel to a wheel balancer force variation machine always use the wheel s center pilot hole This is the primary centering mechanism on all GM wheels the bolt holes are secondary Usually a back cone method to the machine should be used Cone Dimensions Cones and collets are sized slightly larger to allow easy placement onto and removal from the shaft If the cone collet ID is 1 578 inches or greater it is out of speci fication and should be discarded Cones collets that have wear and scars on the OD should also be discarded and replaced Do not drop or pile up cones and collets They should be placed in their respective locations on a rack or shelf to protect them from damage On many balancers there is an integrated shelf available for the collets Wipe down the spindle and collets periodi cally to keep them clean Do not use harsh cleaners like brake parts cleaner Ident There are several GM approved wheel balancers available through GM Dealer Equipment Go to gmdesolutions com for more information U S In Canada go to www des canada ca ing Balancing Machines The Hunter Road Force Wheel Balancer is commonly used for tire force variation measurement in GM dealerships There are several generations of the wheel balancer in use each with different capabilities Generations 3 and 4 are recommended to ensure consistent accurate results
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