Ask A GM Technician

16,053 topics in this forum

1. 2013 Sierra running at 12.5 volts

   By zedbear, July 1, 2013
   • 12 replies
   • 33.6k views
   • 
   • Jsdirt
   • March 12, 2015

2. Ask The GM Tech Forum Rules

   By Zane, January 21, 2006
   • 0 replies
   • 40.1k views
   • 
   • Zane
   • January 21, 2006

3. 2002 GMC Yukon

   By Hooker, Sunday at 11:24 PM
   • 7 replies
   • 146 views
   • 
   • Hooker
   • 7 minutes ago

4. 2019+ Brake failure, it's complicated

   By needafix, Saturday at 07:51 PM
   • 0 replies
   • 81 views
   • 
   • needafix
   • Saturday at 07:51 PM

5. 2006 Silverado HVAC sensor location in dashboard

   By MAC88, July 8
   • 3 replies
   • 310 views
   • 
   • GMCustomerService
   • July 20

6. Brake Bleeding Procedure on 2026 Silverado 2500

   By Alex-Rodriguez, July 11
   • 2 replies
   • 238 views
   • 
   • davester
   • July 12

7. Remote Starting issue or not

   By BCGM, July 3
   • 3 replies
   • 171 views
   • 
   • Jsdirt
   • July 5

8. Weird drivability problem

   By CNH-320, May 27
   • 8 replies
   • 567 views
   • 
   • CNH-320
   • June 12

9. 2011 Silverado 1500 dragging brakes?

   By ryancz33, May 11
   • 6 replies
   • 447 views
   • 
   • KARNUT
   • June 6

10. A/C Help Needed for '03 Suburban 1500

    By willkel04, June 1
    • 2 replies
    • 176 views
    • 
    • Jsdirt
    • June 2

11. Cameras not functioning. The red circle appears when I press the camera icon at the home screen.

    By Kevin1957, May 13
    • 1 reply
    • 280 views
    • 
    • GMCustomerService
    • May 28

12. P2002

    By Phantom 4D, May 24
    • 0 replies
    • 141 views
    • 
    • Phantom 4D
    • May 24

13. Theft Deterrent System turns on while driving; makes all gauges drop all the way.

    By dani8827373736, May 13
    • 2 replies
    • 258 views
    • 
    • davester
    • May 15

14. 2022 Suburban with 3.0 diesel, continued abnormal Transmission issues

    By EngineNoO9, May 12
    • 0 replies
    • 488 views
    • 
    • EngineNoO9
    • May 12

15. Correct front axle gear oil

    By MaverickZ71, May 12
    • 4 replies
    • 360 views
    • 
    • Black02Silverado
    • May 12

16. Multipro Tailgate bracket

    By MpR, May 9
    • 0 replies
    • 220 views
    • 
    • MpR
    • May 9

17. 2012 Yukon XL Denali possible BCM issue

    By Dkd71, May 1
    • 6 replies
    • 667 views
    • 
    • Jsdirt
    • May 7

18. CKP Active Counter Graph; Intermittant Loss of CKP Signal

    By Goldwing2000, April 21
    • 7 replies
    • 437 views
    • 
    • Goldwing2000
    • April 21

19. 2004 yukon xl 1500 rwd axel compatible replacements

    By MelloRello69, April 20   

    • Rear end swap
    • Axel swap
    • (and 1 more)

      Tagged with:

      • Rear end swap
      • Axel swap
      • Rear axel housing
    • 1 reply
    • 228 views
    • 
    • newdude
    • April 20

20. Which wires am I missing and what should I do

    By LeoLEO, April 15
    • 2 replies
    • 219 views
    • 
    • LeoLEO
    • April 15

21. 2016 Silverado - How Much PAG 46 Oil for Condenser Replacement

    By jsm10, March 30
    • 3 replies
    • 447 views
    • 
    • Jsdirt
    • March 31

22. Possible bcm issue on 2002 gmc yukon denaliXL 1500

    By nickardo, March 25
    • 4 replies
    • 377 views
    • 
    • asilverblazer
    • March 26

23. 2023 GMC 3500HD PRO 84488395 Trailer Brake Control Switch Assembly

    By richard.m.true, March 22
    • 1 reply
    • 243 views
    • 
    • davester
    • March 23

24. 2008 Sierra turn signal issue HELP!

    By JGW, March 28, 2020   

    • turn signnal
    • short
    • 7 replies
    • 11.7k views
    • 
    • Michael Jones 79364
    • March 13

25. Side view mirrors have a mind of their own

    By Yoda3, March 6
    • 0 replies
    • 228 views
    • 
    • Yoda3
    • March 6