Ask A GM Technician

16,055 topics in this forum

1. 2013 Sierra running at 12.5 volts

   By zedbear, July 1, 2013
   • 12 replies
   • 33.8k 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. 2019+ Brake failure, it's complicated

   By needafix, July 25
   • 1 reply
   • 251 views
   • 
   • silveradosid
   • Yesterday at 11:59 AM

4. 2010 Avalanche 5.3 not running correctly after engine swap.

   By contrabombarde, Wednesday at 04:08 AM
   • 13 replies
   • 308 views
   • 
   • Jsdirt
   • Friday at 07:14 PM

5. 07 yukon xl 6.2 stalls at hot idle and wont restart

   By xdieselmechanic, July 30
   • 6 replies
   • 377 views
   • 
   • davester
   • July 31

6. 2002 GMC Yukon

   By Hooker, July 26
   • 7 replies
   • 360 views
   • 
   • Hooker
   • July 28

7. 2006 Silverado HVAC sensor location in dashboard

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

8. Brake Bleeding Procedure on 2026 Silverado 2500

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

9. Remote Starting issue or not

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

10. Weird drivability problem

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

11. 2011 Silverado 1500 dragging brakes?

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

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

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

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

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

14. P2002

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

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

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

16. 2022 Suburban with 3.0 diesel, continued abnormal Transmission issues

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

17. Correct front axle gear oil

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

18. Multipro Tailgate bracket

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

19. 2012 Yukon XL Denali possible BCM issue

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

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

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

21. 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
    • 257 views
    • 
    • newdude
    • April 20

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

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

23. 2016 Silverado - How Much PAG 46 Oil for Condenser Replacement

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

24. Possible bcm issue on 2002 gmc yukon denaliXL 1500

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

25. 2023 GMC 3500HD PRO 84488395 Trailer Brake Control Switch Assembly

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