Engines & Powertrain (Gas & Diesel)

61 topics in this forum

1. Transmission Woes :-(

   By No1UKnow, June 15
   • 12 replies
   • 370 views
   • 
   • No1UKnow
   • June 20

2. Starter removal, 2.8l Duramax

   By Delta456, February 6, 2023
   • 9 replies
   • 16k views
   • 
   • slimshaney01
   • January 31

3. 3.6 start up oil pressure

   By ex72jimmy, December 10, 2025
   • 2 replies
   • 417 views
   • 
   • davester
   • December 12, 2025

4. 2021 GMC canyon 3.6L exhuast camshaft location

   By chance0918, January 15, 2025
   • 0 replies
   • 1.9k views
   • 
   • chance0918
   • January 15, 2025

5. DO NOT BUY

   By fire171, July 3, 2024
   • 4 replies
   • 10.1k views
   • 
   • txab
   • July 4, 2024

6. DEF in Diesel fuel tank

   By horserustler, May 17, 2024   

   • def fluid
   • diesel tank
   • 3 replies
   • 2k views
   • 
   • newdude
   • May 18, 2024

7. Engine oil additive

   By Randy Ng-a-Fook, February 13, 2024
   • 5 replies
   • 3.4k views
   • 
   • newdude
   • February 13, 2024

8. Injector cleaner

   By 2016 guy, July 25, 2023
   • 0 replies
   • 3.8k views
   • 
   • 2016 guy
   • July 25, 2023

9. Gas mileage

   By 2016 guy, July 24, 2023
   • 6 replies
   • 2.3k views
   • 
   • Grumpy Bear
   • July 25, 2023

10. Intake manifold/engine cover: tips on reinstalling screws near firewall?

    By Docdunc, January 14, 2023
    • 1 reply
    • 3k views
    • 
    • newdude
    • January 14, 2023

11. Running B20 diesel

    By Shaun43, January 5, 2023
    • 0 replies
    • 2.8k views
    • 
    • Shaun43
    • January 5, 2023

12. 2017 Chevy Colorado 2.8 Duramax Z71 DEF Failure

    By Ouis M. Mouffok, October 30, 2018   

    • chevy
    • 2017
    • (and 4 more)

      Tagged with:

      • chevy
      • 2017
      • colorado
      • duramax
      • def
      • egr
    • 4 replies
    • 18.4k views
    • 
    • love earth
    • October 26, 2022

13. 8 speen transmission problems

    By Peter C. Streechon, May 2, 2019
    • 3 replies
    • 21.3k views
    • 
    • pokismoki
    • September 22, 2022

14. Oil changes while under warranty 1 2

    By oldman9, June 9, 2022
    • 17 replies
    • 16.8k views
    • 
    • KARNUT
    • July 23, 2022

15. Future Colorado / Canyon Motor ?

    By actively-shopping, May 6, 2022
    • 1 reply
    • 3.9k views
    • 
    • madcratebuilder
    • June 17, 2022

16. Gmc canyon diesel afe momentum air box programming and systems urea remove

    By Yves082, March 30, 2022
    • 0 replies
    • 3.7k views
    • 
    • Yves082
    • March 30, 2022

17. 8L45 - 8 Speed Transmission Fluid & Filter Change Video

    By fondupot, March 20, 2022
    • 0 replies
    • 8.7k views
    • 
    • fondupot
    • March 20, 2022

18. 2019 Tranny slippage or shuddering issue

    By MiCar Info, January 31, 2020
    • 5 replies
    • 9.9k views
    • 
    • madcratebuilder
    • March 16, 2022

19. Buying New or Used - Concerns?

    By Greg Freeman, November 28, 2021
    • 3 replies
    • 4.6k views
    • 
    • JimJ
    • December 3, 2021

20. Radio and DIC keeps changing

    By Rick Calli, October 7, 2021
    • 0 replies
    • 3.9k views
    • 
    • Rick Calli
    • October 7, 2021

21. 2017 Canyon 4x4 SLE on a tow dolly

    By Tom V, August 26, 2021
    • 0 replies
    • 4.6k views
    • 
    • Tom V
    • August 26, 2021

22. Will my installing Cold Air Induction void warranty?

    By DAG, September 11, 2019   

    • cold air intake
    • 5 replies
    • 27.1k views
    • 
    • madcratebuilder
    • July 30, 2021

23. Check engine light

    By Jerry Bruen, August 5, 2020
    • 2 replies
    • 6.9k views
    • 
    • madcratebuilder
    • July 30, 2021

24. Diesel vs 5.3

    By drucker, March 4, 2019
    • 10 replies
    • 12.2k views
    • 
    • Daniel Fontaine
    • March 12, 2021

25. Engine noise on startup

    By Allen'scolorado, November 6, 2018   

    • oil pressure valve clatter bearing noise
    • 11 replies
    • 30.5k views
    • 
    • Logical Guy
    • November 20, 2020