Model Year(s) | Vehicle Line(s) / Condition | Do This | Don't Do This | Reference Information/Bulletin |
2001-04 | LB7 Duramax Diesel - Injector high pressure lines corroded. | Clean connection area of line and nut of injector high pressure lines as required | Don't replace lines | 03-06-04-036A |
2007-08 | Silverado, Sierra, Avalache, Suburban, Tahoe, Yukon -- Service 4WD message, DTC B2725 | Replace IP switch | Don't replace transfer case control module | PIP 4101 |
2003-07 | Kodiak, TopKick, HTR, HVR, HXR -- Arm rest being pulled off door panel | Replace arm rest and install improved fasteners | Don't replace door panel assembly or reuse old fasteners | 07-08-64-016 |
2007-08 | Fullsize utilities, pickups - Apparent steering rack leak | Determine source of leak | Don't replace power steering rack | 07-02-32-002B |
2006-08 | Colorado, Canyon, H3 -- Loose module, broken tab under passenger seat | Reattach ECU with 3M two-way tape | Don't replace ECU and seat sensing pod assembly | 08-08-50-003 |
2004-07 | Colorado, Canyon, H3 -- Reduced power mode, P codes | Check battery state of charge, charge or replace | Don't replace throttle body, throttle body module, accelerator pedal, accelerator position sensor, PCM, or ignition switch | 08-06-04-014 |
| 2008 | TrailBlazer, Colorado, Envoy, Canyon -- No start condition | Service calibration 25998450 | Don't replace BCM or battery | 08-08-44-012 |
| 2007-08 | Enclave, Outlook, Acadia -- Squeak noise on brake pedal apply/release | Replace brake fluid with revised fluid | Don't replace brake booster, master cylinder or brake pedal assembly | 08-05-22-002 |
| 2007-08 | Tahoe, Yukon, Escalade, Avalanche, Sierra, Silverado - Squeaking/itching in upper door area | Clean top of door frame and install 3M Squeak Reduction Tape | Don't replace upper door sill | 06-08-64-035D |
| 2008 | Sierra, Silverado -- SES P1174 | Update PCM calibration | Don't replace catalytic converter, PCM, injector(s), fuel rails, fuel pump | 08-06-04-028 |
| 2005-08 | Trailblazer, 9-7X -- Growl, groan, shudder or bind from rear of vehicle | Drain and fill rear axle with Dexron LS gear oil | Don't replace differential gear case | 08-04-20-002 |
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