Powertrain

10,731 topics in this forum

1. 3.4 belt tensioner

   By j_mezz, January 29, 2020
   • 6 replies
   • 3.9k views
   • 
   • jiggity76
   • January 30, 2020

2. 1999 Lumina 9C3 L67 swap thread... 1 2

   By Jim_rockford_007, January 25, 2020
   • 37 replies
   • 12.9k views
   • 
   • Jim_rockford_007
   • June 25, 2022

3. LQ1 common oil leak areas

   By 06goat75, January 23, 2020
   • 20 replies
   • 8.7k views
   • 
   • bluecalais79
   • June 26, 2020

4. P1404 EGR fix

   By Jim_rockford_007, December 25, 2019
   • 2 replies
   • 3.4k views
   • 
   • walterdude
   • December 25, 2019

5. Car Hesitating/Dying 1 2

   By White92Cutlass, November 5, 2019
   • 38 replies
   • 14.6k views
   • 
   • White92Cutlass
   • May 21, 2020

6. 1996 Lumina 75K

   By Watchingwolf, November 1, 2019
   • 8 replies
   • 2.2k views
   • 
   • 55trucker
   • November 4, 2019

7. 3.1 MPFI (LH0) Exhaust Manifold Gasket

   By pitzel, October 28, 2019
   • 3 replies
   • 3.2k views
   • 
   • Jim_rockford_007
   • December 30, 2019

8. L67 swap engine crooked!

   By Quaraxkad, October 26, 2019
   • 17 replies
   • 6.2k views
   • 
   • Quaraxkad
   • November 4, 2019

9. Rounded bolt on the water pump

   By Brodizzle83, October 12, 2019
   • 3 replies
   • 1.9k views
   • 
   • pitzel
   • October 13, 2019

10. Can you name this knock?

    By VAPORS12, October 6, 2019
    • 2 replies
    • 1.4k views
    • 
    • VAPORS12
    • October 7, 2019

11. 93 EURO 3.4 d.o.h.c rare?

    By Superchargedgtp454, October 4, 2019
    • 3 replies
    • 1.2k views
    • 
    • Schurkey
    • October 4, 2019

12. 3.1 MPFI LH0 constant knock or tapping sound

    By 9705, September 16, 2019   

    • lh0
    • mpfi
    • (and 6 more)

      Tagged with:

      • lh0
      • mpfi
      • ticking
      • tapping
      • knocking
      • 3.1 l
      • 3.1
      • lumina
    • 14 replies
    • 7.7k views
    • 
    • 90LuminaEuro
    • July 26, 2020

13. 88' Grand Prix cooling fan upgrade

    By Vince G., September 15, 2019   

    • 2.8
    • 1 reply
    • 904 views
    • 
    • Schurkey
    • September 15, 2019

14. Engine Support bar mounting locations

    By rich_e777, September 1, 2019
    • 4 replies
    • 1.6k views
    • 
    • Cutlass350
    • September 5, 2019

15. URGENT - 1993 Grand Prix suddenly pouring out coolant.

    By GrandPrixMaster, August 14, 2019
    • 4 replies
    • 1k views
    • 
    • mfewtrail
    • August 15, 2019

16. 1994 Cutlass Ciera 3.1L 84k miles

    By Beau, August 9, 2019
    • 23 replies
    • 11.7k views
    • 
    • Beau
    • May 8, 2020

17. Intermittent Won't Start When Hot Problem

    By kcac, July 4, 2019   

    • 3.4
    • dohc
    • (and 3 more)

      Tagged with:

      • 3.4
      • dohc
      • 1995
      • start
      • hot
    • 12 replies
    • 1.8k views
    • 
    • jiggity76
    • August 3, 2019

18. Correct Vacuum reading

    By narnone, July 3, 2019
    • 6 replies
    • 1.5k views
    • 
    • narnone
    • July 7, 2019

19. Shift Kit Question

    By Buick_Guy, June 30, 2019
    • 8 replies
    • 10.7k views
    • 
    • Leadfoot
    • July 10, 2019

20. L67 Swap PCM issue

    By Quaraxkad, June 2, 2019
    • 14 replies
    • 9.4k views
    • 
    • carkhz316
    • June 24, 2019

21. damned lifters

    By Chris2020, May 18, 2019
    • 4 replies
    • 1.6k views
    • 
    • Schurkey
    • May 21, 2019

22. 1993 Grand Prix cold engine tapping sound

    By GrandPrixMaster, May 13, 2019   

    • 3.1l
    • 6 replies
    • 2.4k views
    • 
    • 55trucker
    • May 14, 2019

23. Is there a trick?

    By jiggity76, April 24, 2019
    • 4 replies
    • 2.1k views
    • 
    • jiggity76
    • April 28, 2019

24. 91 CS International LQ1 front exhaust manifold removal.

    By jiggity76, April 17, 2019
    • 1 reply
    • 2.3k views
    • 
    • jiggity76
    • April 17, 2019

25. Where to find proper HEAD BOLTS for 3.1 liter

    By killinprixs, April 10, 2019
    • 2 replies
    • 1.4k views
    • 
    • killinprixs
    • April 11, 2019