Ask the GM Technician

15,922 questions in this forum

1. 2013 Sierra running at 12.5 volts

   Asked by zedbear, July 1, 2013

   0 votes
   12 answers
3. Ask The GM Tech Forum Rules

   Asked by Zane, January 21, 2006

   0 votes
   0 answers
4. 2000 Chevy Silverado 1500 5.3LT

   Asked by Liz Kozel-Gill, Saturday at 09:03 PM

   0 votes
   8 answers
5. 2000 Silverado 5.3LT no spark no start…..

   Asked by Liz Kozel-Gill, Saturday at 08:34 PM

   0 votes
   1 answer
6. 2007 GMC Yukon XL Denali, 6.2L Stalls When Warm

   Asked by anonom2, April 3, 2020

   0 votes
   23 answers
7. Front dash speakers upgrade

   Asked by JOSE29, Wednesday at 05:11 PM

   0 votes
   0 answers
8. trouble code po401 po302 and po452 on my silverado 5.3L 1500, 1999

   Asked by Raymond86, April 7

   0 votes
   1 answer
9. 2004 GMC Yukon 4.8 oil pressure problem

   Asked by help please, April 8

   0 votes
   1 answer
10. Will not start

    Asked by Carl_Simpson, April 5

    0 votes
    1 answer
11. Which fuel pump do I have

    Asked by asanders3026, April 4

    0 votes
    0 answers
12. 2024 Throttle pedal dead take off delay / 6.6 Duramax 2500HD

    Asked by JA-Fab, August 15, 2023

    0 votes
    15 answers
13. 2002 GMC Yukon XL randomly dies in summer

    Asked by ByrdKM, March 21

    0 votes
    1 answer
14. 96 chevy c3500 7.4 gas motor

    Asked by Web65, March 20

    0 votes
    1 answer
15. I have low oil pressure -20 on my 01 2500hd 8.1. I changed oil pressure sensor and oil pump still same what else can it be

    Asked by Sgutierrez, March 17

    • Oil pressure
    0 votes
    3 answers
16. Service TPMS SYSTEM warning in DIC

    Asked by MaverickZ71, March 12

    0 votes
    9 answers
17. How Do I Tell If My Denali Is Awd?

    Asked by ZK686, June 7, 2011

    0 votes
    21 answers
18. Service Brakes Soon (no error code and no check engine light)

    Asked by MikeV74, March 12

    0 votes
    1 answer
19. 2013 Chevy Silverado not shifting

    Asked by jaymartin17, March 11

    0 votes
    1 answer
20. 2003 Chevy suburban 1500 Lt

    Asked by ShellzG78, March 4

    0 votes
    0 answers
21. 1981 sierra 305engine no air conditioning,was making loud banging noises while driving would not go faster then 30 KLM and then it would not start or run again put new fuel filter and pump in and even a new battery but still no joy

    Asked by william kowalski, March 1

    0 votes
    3 answers
22. Overheating issues

    Asked by Haileyb33, February 29

    0 votes
    0 answers
23. Overheating

    Asked by Randy Bellard, February 27

    0 votes
    2 answers
24. I am stuck..need help. Power to 8 coil packs but no spark from spark plugs.

    Asked by Liz Kozel-Gill, January 3

    0 votes
    27 answers
25. HVAC drain

    Asked by Z B, February 9

    0 votes
    1 answer
26. Oil consumption

    Asked by Kenster, October 26, 2019

    • oil usage
    0 votes
    23 answers