1988-1999 Chevrolet & GMC C/K GMT400 Platform

5,156 topics in this forum

1. What was in the Z71 package for '91

   By Kissofdeathracing, November 13, 2011
   • 6 replies
   • 13.6k views
   • 
   • kstruckcountry
   • November 27, 2011

2. Ghost brakes, need help!

   By Tanner92, March 9, 2017
   • 6 replies
   • 870 views
   • 
   • XSKIER
   • March 9, 2017

3. gmt400 Headlight Options

   By nickg3130, December 9, 2014
   • 6 replies
   • 7.7k views
   • 
   • nickg3130
   • December 10, 2014

4. Why change spark plug wires?

   By sven556, November 20, 2015
   • 6 replies
   • 2.8k views
   • 
   • Blazerblitz
   • December 18, 2015

5. what fires the injector?

   By sylvesterkitty, November 18, 2016
   • 6 replies
   • 3.5k views
   • 
   • jamestt600
   • January 20, 2017

6. Pure non ethanol gas vs ethanol

   By jwilloughby1995, May 1, 2017
   • 6 replies
   • 10.3k views
   • 
   • dasimmon
   • June 19, 2017

7. 99 tahoe 5.7 vortec. fuel gauge

   By kmcn47, August 11, 2015
   • 6 replies
   • 8.4k views
   • 
   • Lazarus Long
   • August 15, 2015

8. Transmission filter and fluid change

   By Markus Escamilla, December 30, 2019
   • 6 replies
   • 3.5k views
   • 
   • OZRY83
   • January 2, 2020

9. Trans Fluid is burnt... Change it?

   By Logan Lanfear, August 16, 2018
   • 6 replies
   • 1k views
   • 
   • Colossus
   • August 28, 2018

10. 1988 Options inquiries.

    By Loneranger, May 31, 2021
    • 6 replies
    • 1.3k views
    • 
    • Loneranger
    • May 31, 2021

11. 89 gmc fuel lines

    By Bacwoods, March 27, 2013
    • 6 replies
    • 3.5k views
    • 
    • GMstrong
    • March 31, 2013

12. 4x4 problem

    By Big truck 32, January 31, 2020
    • 6 replies
    • 1.9k views
    • 
    • Big truck 32
    • February 2, 2020

13. 1996 k1500 fuel pressure problem

    By Pagey3, April 15, 2016
    • 6 replies
    • 5.8k views
    • 
    • 97silvy
    • June 9, 2016

14. 2000 Classic 2500 Questions

    By jdaniel83, October 28, 2013
    • 6 replies
    • 1.3k views
    • 
    • kstruckcountry
    • October 31, 2013

15. Exhaust Leak

    By Squirrely, December 3, 2015
    • 6 replies
    • 3k views
    • 
    • sailor9908
    • December 14, 2015

16. Help removing driver's side exhaust manifold, not the bolts.1997 3

    By passingthru, August 5, 2014
    • 6 replies
    • 6.2k views
    • 
    • KevinP123
    • December 27, 2014

17. Weird 2000 Chevy Fleet Truck on GMT-400

    By SClandscapechevy, April 28, 2021
    • 6 replies
    • 5.2k views
    • 
    • newdude
    • April 30, 2021

18. OBD-II port speaker popping issue

    By bcrooms, September 22, 2018
    • 6 replies
    • 802 views
    • 
    • bcrooms
    • September 28, 2018

19. How to read fault codes on a 98 Suburban

    By Maverick247365, August 4, 2017   

    • check engine suburban misfire
    • 6 replies
    • 13.5k views
    • 
    • ifixedit
    • August 9, 2017

20. What truck do I have?

    By ChristineAZ, January 19, 2024
    • 6 replies
    • 1k views
    • 
    • ChristineAZ
    • January 22, 2024

21. 35s?

    By 94sierra16, January 10, 2014
    • 6 replies
    • 2.6k views
    • 
    • 94sierra16
    • January 12, 2014

22. 1988 K2500 4x4 5.7L Head Gasket failed need help.

    By Jeff M 1988 K2500 4x4 5.7L, December 29, 2024
    • 6 replies
    • 794 views
    • 
    • Jeff M 1988 K2500 4x4 5.7L
    • January 24, 2025

23. P1416 code

    By eddie chavez, January 12, 2013
    • 6 replies
    • 4.4k views
    • 
    • Chris
    • January 12, 2013

24. Gas Mileage Help Needed!

    By Boomer34, December 28, 2018
    • 6 replies
    • 3.1k views
    • 
    • Nashman
    • January 24, 2019

25. spring tuneup

    By mikeraz, March 9, 2014   

    • 1997 sierra c1500 lonestar
    • spring tuneup
    • 6 replies
    • 1.3k views
    • 
    • mikeraz
    • March 27, 2014