Troubleshooting & Recalls

7,534 topics in this forum

1. 4th starter in 7.5 yrs

   By joyridez, February 26
   • 4 replies
   • 281 views
   • 
   • asilverblazer
   • February 26

2. 4wd 4x4 switch noise high frequency

   By 400ex2008, September 21, 2019   

   • 4wd
   • switch
   • (and 4 more)

     Tagged with:

     • 4wd
     • switch
     • noise
     • high fequency
     • cabin
     • auto
   • 14 replies
   • 9.8k views
   • 
   • Snowcamo
   • October 16, 2019

3. 4WD Auto acts like it is in 4WD HI

   By Purebred_mutt, October 24, 2022
   • 0 replies
   • 518 views
   • 
   • Purebred_mutt
   • October 24, 2022

4. 4wd dash light on ?

   By no12nv, November 12, 2019   

   • 4wd issue
   • electrical issue
   • (and 1 more)

     Tagged with:

     • 4wd issue
     • electrical issue
     • 4x4 issues
   • 4 replies
   • 10.2k views
   • 
   • Milk Man
   • January 24, 2024

5. 4WD issue

   By irish02bk, March 5, 2014
   • 5 replies
   • 1.4k views
   • 
   • TxTruckMan
   • March 10, 2014

6. issue 4WD Issues 1 2

   By pickletang, February 7, 2014   

   • issue
   • k2
   • (and 2 more)

     Tagged with:

     • issue
     • k2
     • 4wd
     • seat
   • 20 replies
   • 36.8k views
   • 
   • JimCost2014
   • May 28, 2020

7. 4WD Missing Connector Seals

   By Retired Bob, May 15, 2017
   • 1 reply
   • 874 views
   • 
   • silveradosid
   • May 16, 2017

8. 4wd problem

   By SierraZ714x4, May 1, 2017
   • 2 replies
   • 1.1k views
   • 
   • VdellaV
   • May 7, 2017

9. 4wd Service Light

   By Notenoughtoys, November 23, 2014
   • 4 replies
   • 1.5k views
   • 
   • fondupot
   • November 25, 2014

10. 4WD Service message

    By jimbrown1, November 5, 2023
    • 0 replies
    • 674 views
    • 
    • jimbrown1
    • November 5, 2023

11. 4wd updates to ecm 1 2 3 4 5

    By BlueSS2003, September 21, 2015
    • 64 replies
    • 34k views
    • 
    • ghobbs26
    • May 16, 2017

12. 4wd went out :(

    By White14, April 25, 2014
    • 4 replies
    • 1.2k views
    • 
    • SLESierra
    • April 26, 2014

13. 4WD wont disengage2018 GMC Serria 1500

    By sammsy2, June 2, 2025
    • 0 replies
    • 304 views
    • 
    • sammsy2
    • June 2, 2025

14. 4wheel probs

    By Hogman5150, April 19, 2021
    • 2 replies
    • 523 views
    • 
    • Hogman5150
    • April 19, 2021

15. 4x4 engine lag on beach 1 2

    By dat329, September 2, 2014
    • 16 replies
    • 2.6k views
    • 
    • 00Silverado4x4
    • September 5, 2014

16. 4x4 not activating

    By Nicholas Kerr, April 20, 2022
    • 0 replies
    • 362 views
    • 
    • Nicholas Kerr
    • April 20, 2022

17. 4x4 problems

    By SleSierra14, July 12, 2021   

    • 4X4
    • 7 replies
    • 13.6k views
    • 
    • SleSierra14
    • July 13, 2021

18. 4x4 randomly engaging while driving/parked?

    By 1badtie, January 6, 2016
    • 8 replies
    • 7.3k views
    • 
    • FL335i
    • January 9, 2016

19. 4x4 Shake after level kit

    By Andrew Saenz, June 10, 2020
    • 0 replies
    • 567 views
    • 
    • Andrew Saenz
    • June 10, 2020

20. 4X4 shifting after Service Trans message

    By bconnel1965, September 10, 2019
    • 0 replies
    • 341 views
    • 
    • bconnel1965
    • September 10, 2019

21. 4x4 won’t disengage

    By Bentlsy, March 12, 2024
    • 12 replies
    • 14.7k views
    • 
    • carkhz316
    • February 24, 2025

22. 5.3 engine starting problems 1 2

    By donc, February 14, 2015
    • 17 replies
    • 48.6k views
    • 
    • donc
    • February 18, 2015

23. 5.3 L83 Low compression #6 (90 PSI)

    By 15foxrzr, February 1, 2022
    • 1 reply
    • 13k views
    • 
    • CamGTP
    • February 1, 2022

24. 5.3 sounds like it has a loud turbo and ticking at idle 1 2 3

    By Painter1992, January 15, 2014
    • 31 replies
    • 21.8k views
    • 
    • Dustin McDaniel
    • May 10, 2023

25. 5.3 V4 ticking 1 2 3 4

    By youcantkeepup!, October 28, 2014
    • 53 replies
    • 35.6k views
    • 
    • Kyle Dewar
    • January 7, 2021