Engines & Drivetrain

2,741 topics in this forum

1. parking brake adjustment

   By Digger 1958, October 24, 2019
   • 3 replies
   • 23.3k views
   • 
   • g2full
   • October 30, 2019

2. Rough Idle, Misfire, Help Diagnosing Codes

   By FishinDVM, June 1, 2019
   • 6 replies
   • 13.9k views
   • 
   • Ozer
   • October 30, 2019

3. G80 3.21/3.41 gear break

   By cr250Silverado, October 13, 2018
   • 7 replies
   • 1.5k views
   • 
   • swathdiver
   • October 30, 2019

4. Too much exhaust drone

   By Cash214, October 23, 2019   

   • exhaust
   • drone
   • (and 1 more)

     Tagged with:

     • exhaust
     • drone
     • muffler
   • 5 replies
   • 9.1k views
   • 
   • L86 All Terrain
   • October 29, 2019

5. Blew 6.2, gm denying warranty 1 2 3 4 6

   By hectik, October 1, 2019
   • 78 replies
   • 11.3k views
   • 
   • DenaliX14
   • October 27, 2019

6. Muffler swap on 6.2l 1 2

   By mjdxtreme, June 7, 2016
   • 17 replies
   • 11.1k views
   • 
   • JCunningham
   • October 27, 2019

7. GMC/Borla vs Borla Cat Back 1 2 3

   By Denaliboz, April 10, 2014
   • 42 replies
   • 18.9k views
   • 
   • HogWild26
   • October 25, 2019

8. Hello from France / Need help on my 2018 DENALI 1 2

   By lolpops, October 5, 2019
   • 21 replies
   • 2k views
   • 
   • lolpops
   • October 23, 2019

9. Speed Engineering True Dual Exhaust

   By Bohanan23, October 3, 2019
   • 13 replies
   • 17.1k views
   • 
   • Bohanan23
   • October 21, 2019

10. Dipstik Tube on 2018 1500

    By CDNSS, October 13, 2019
    • 4 replies
    • 4.6k views
    • 
    • Mike GMC
    • October 20, 2019

11. Transmission Service Questions 1 2 3 4

    By thatryan, September 25, 2019   

    • transmission
    • fluids
    • (and 1 more)

      Tagged with:

      • transmission
      • fluids
      • maintenance
    • 48 replies
    • 6.8k views
    • 
    • Bob2C
    • October 20, 2019

12. 2014-17 Silverado/Sierra Headers 1 2

    By Gorske, May 6, 2017
    • 22 replies
    • 20.1k views
    • 
    • DenaliX14
    • October 20, 2019

13. 2017 6 speed trans fluid change

    By mmrbad, October 9, 2019   

    • Transmission fluid capacity
    • 12 replies
    • 55k views
    • 
    • Black02Silverado
    • October 19, 2019

14. Transmission gets hot under load? Mainly in mountain driving...?

    By Cjmooch, October 14, 2019
    • 7 replies
    • 867 views
    • 
    • Nitrousbird
    • October 19, 2019

15. P0420 Code - 140,000 miles - 2016 Silverado 5.3

    By fondupot, October 11, 2019
    • 11 replies
    • 17.2k views
    • 
    • fondupot
    • October 16, 2019

16. Cooling Mods for Towing 1 2

    By mitchely03, October 15, 2019
    • 16 replies
    • 8.5k views
    • 
    • mitchely03
    • October 16, 2019

17. Catalytic Converter/Engine Light issues - 14' Sierra 1500

    By huntster21, October 15, 2019
    • 1 reply
    • 12.6k views
    • 
    • durandetto
    • October 15, 2019

18. Which UCA’s would you recommend for a leveled or lifted truck and why?? 1 2 3

    By TXGREEK, September 25, 2019
    • 31 replies
    • 15.8k views
    • 
    • TXGREEK
    • October 15, 2019

19. Oil catch can recommendations 1 2

    By SARNCAN, September 13, 2019
    • 19 replies
    • 24.2k views
    • 
    • 1SLOW1500
    • October 13, 2019

20. Taking truck to dealer Monday 1 2

    By sam hain, September 26, 2019
    • 24 replies
    • 2.2k views
    • 
    • GN2018
    • October 12, 2019

21. 14-18 supercharger gains? 1 2 3 4

    By BoilerUP, October 7, 2019
    • 58 replies
    • 34.2k views
    • 
    • CamGTP
    • October 11, 2019

22. SOLD OUT Range Device on sale $129.99.

    By Mileguru, October 11, 2019
    • 6 replies
    • 767 views
    • 
    • 2018GMC
    • October 11, 2019

23. 2015 Silverado 6.2 lifter failure 1 2

    By Tyler2295, October 10, 2019
    • 21 replies
    • 2.4k views
    • 
    • Snowcamo
    • October 10, 2019

24. My Intake Mod 1 2 3 4 7

    By Spurshot, June 15, 2015
    • 102 replies
    • 41.1k views
    • 
    • flyingfool
    • October 8, 2019

25. Your States Lifted Truck Laws

    By TXGREEK, September 24, 2019
    • 8 replies
    • 1k views
    • 
    • Penguin VII
    • October 7, 2019