1988-1999 Chevrolet & GMC C/K GMT400 Platform

5,124 topics in this forum

1. What gear to pull in?

   By Gmchevrolettruck, August 1, 2022
   • 6 replies
   • 2.6k views
   • 
   • greatmizzou
   • August 3, 2022

3. Unknown sensor on 2000 k3500 5.7

   By LTG, July 19, 2022
   • 6 replies
   • 670 views
   • 
   • richard wysong
   • August 1, 2022

4. Shocks for 1999 Yukon?

   By lunytnz, July 27, 2022
   • 2 replies
   • 625 views
   • 
   • richard wysong
   • July 28, 2022

5. Convenience center

   By GMCmike64, July 12, 2022
   • 2 replies
   • 2.2k views
   • 
   • Brian Lindsey
   • July 28, 2022

6. 1988 GMC 1500 hesitates on accel

   By Brent77, July 27, 2022
   • 5 replies
   • 706 views
   • 
   • richard wysong
   • July 27, 2022

7. 1991 Silverado Radio Help Needed

   By W. T. M., June 12, 2022
   • 1 reply
   • 1.2k views
   • 
   • Derek Williams
   • July 24, 2022

8. charlie 2

   By cessary63, July 21, 2022
   • 0 replies
   • 459 views
   • 
   • cessary63
   • July 21, 2022

9. 1988 GMC G3500 VANDURA BOXTRUCK

   By Gregory Cooper, July 15, 2022   

   • TRANSMISSION
   • NOT-DOWNSHIFTING INTO PASSING GEAR
   • (and 4 more)

     Tagged with:

     • TRANSMISSION
     • NOT-DOWNSHIFTING INTO PASSING GEAR
     • SHIFTS NORMALLY OTHERWISE
     • tps sensor system
     • MODULATOR
     • tv cable
   • 1 reply
   • 1.1k views
   • 
   • richard wysong
   • July 16, 2022

10. 4L60E Question? 3rd Gear

    By mrchev, June 4, 2022
    • 5 replies
    • 954 views
    • 
    • richard wysong
    • July 15, 2022

11. Power steering hose nut sizes

    By jseabolt, October 11, 2016
    • 4 replies
    • 36.7k views
    • 
    • Michael Chavis
    • July 4, 2022

12. O2 Sensor Plugs

    By kevin bellmore, June 30, 2022
    • 4 replies
    • 873 views
    • 
    • kevin bellmore
    • July 1, 2022

13. Leaf spring interchange

    By 95Gmt400, June 30, 2022
    • 0 replies
    • 3.3k views
    • 
    • 95Gmt400
    • June 30, 2022

14. C6P Option

    By revrnd, December 15, 2016
    • 7 replies
    • 15.5k views
    • 
    • revrnd
    • June 28, 2022

15. 1995 engine swap problem

    By RayRob65, June 25, 2022
    • 3 replies
    • 1.4k views
    • 
    • richard wysong
    • June 25, 2022

16. Rear end locking up

    By William Berglof, May 12, 2022
    • 4 replies
    • 4.3k views
    • 
    • RayRob65
    • June 25, 2022

17. 4x4 transmission.. 1990 into 1993?

    By Frank H, June 23, 2022
    • 1 reply
    • 640 views
    • 
    • CamGTP
    • June 23, 2022

18. 1997 K3500 - truck dies at cruise or idle - out of ideas - help...

    By REAL82IT, June 13, 2022
    • 0 replies
    • 555 views
    • 
    • REAL82IT
    • June 13, 2022

19. From 4.3l to 305

    By Joe Camara, June 13, 2022
    • 1 reply
    • 530 views
    • 
    • richard wysong
    • June 13, 2022

20. Engine swap what would fit

    By Kenny Winters, June 9, 2022
    • 2 replies
    • 798 views
    • 
    • newdude
    • June 10, 2022

21. Motor oil

    By beardedman10, June 8, 2022
    • 4 replies
    • 1.6k views
    • 
    • CamGTP
    • June 8, 2022

22. Low/Rough Idle Driving Us Crazy!!

    By mmm98, June 8, 2022   

    • low idle
    • rough idle
    • (and 2 more)

      Tagged with:

      • low idle
      • rough idle
      • rough start
      • trouble starting
    • 5 replies
    • 3.3k views
    • 
    • richard wysong
    • June 8, 2022

23. 4l80e (first gen?) Hard shift issues

    By Bare Foot Garage, March 17, 2022
    • 9 replies
    • 4.4k views
    • 
    • Bare Foot Garage
    • June 7, 2022

24. High Temp when in idle

    By Richard Wilks Jr, June 6, 2021
    • 5 replies
    • 737 views
    • 
    • J F
    • June 6, 2022

25. Source of good replacement auto-dimming outside mirror?

    By lunytnz, June 5, 2022
    • 0 replies
    • 807 views
    • 
    • lunytnz
    • June 5, 2022

26. Voltage drop at fuel pump relay

    By clinter36, October 12, 2020
    • 2 replies
    • 1.5k views
    • 
    • Brian Lindsey
    • June 4, 2022