HT4100 4.1, 4.5, 4.9 - Page 156
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Threads 3876 to 3900 of 4016
HT4100 4.1, 4.5, 4.9 in Cadillac forums : Cadillac Owners Forum, This forum is to discuss the newer aluminum block Cadillac engines.
  1. Sticky Thread Sticky: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 07:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,063
    12-15-13, 11:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 01:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 94,574
    02-24-11, 02:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 02:50 AM
    • Replies: 0
    • Views: 43,604
    09-20-04, 02:50 AM Go to last post
  1. Question '89 SD 4.5 Diag. code E59, nowhere to be found.

    Started by highonchai‎, 02-12-04 02:19 PM
    • Replies: 2
    • Views: 1,325
    02-12-04, 10:17 PM Go to last post
  2. Question Better performance out of my 4.5?

    Started by highonchai‎, 02-12-04 02:24 PM
    • Replies: 3
    • Views: 1,366
    02-12-04, 10:14 PM Go to last post
  3. $.1 motor

    Started by Jamescichocki‎, 02-11-04 09:33 PM
    • Replies: 3
    • Views: 957
    02-12-04, 09:12 PM Go to last post
  4. Question Cadillac code check...

    Started by SouthwestRebel‎, 02-12-04 01:36 AM
    • Replies: 2
    • Views: 1,042
    02-12-04, 01:13 PM Go to last post
  5. Unhappy to fix 1 or the other

    Started by caddyrod‎, 02-11-04 03:21 PM
    • Replies: 0
    • Views: 600
    02-11-04, 03:21 PM Go to last post
  6. Dual Output Muffler on a 91 Deville

    Started by 4.9 liters of fury‎, 01-28-04 11:32 PM
    • Replies: 11
    • Views: 1,713
    02-11-04, 12:27 AM Go to last post
  7. what are the best spark plugs?

    Started by agent22‎, 02-07-04 02:24 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,929
    02-10-04, 10:44 AM Go to last post
  8. idiot lights.....

    Started by supacaddy83‎, 02-08-04 04:22 AM
    • Replies: 3
    • Views: 841
    02-08-04, 08:01 PM Go to last post
  9. Engine Dyagnostic Codes

    Started by Mike Gill‎, 02-06-04 11:16 PM
    • Replies: 1
    • Views: 1,118
    02-08-04, 10:29 AM Go to last post
  10. idle speed adjustment

    Started by Mike Gill‎, 02-03-04 11:20 PM
    • Replies: 8
    • Views: 3,333
    02-08-04, 01:02 AM Go to last post
  11. More 4.9 issues

    Started by Stoneage_Caddy‎, 02-07-04 10:19 AM
    • Replies: 4
    • Views: 1,472
    02-08-04, 12:05 AM Go to last post
  12. i need help

    Started by stormhunters92cadi‎, 02-07-04 08:30 PM
    • Replies: 1
    • Views: 618
    100
    02-07-04, 11:22 PM Go to last post
  13. information center

    Started by MONEYTRAIN23‎, 02-05-04 06:50 PM
    • Replies: 0
    • Views: 927
    02-05-04, 06:50 PM Go to last post
  14. Coolant Leak Fixed- Now Running Rough After Warmup

    Started by OldCaddy‎, 01-24-04 07:46 PM
    • Replies: 8
    • Views: 2,175
    02-04-04, 01:37 AM Go to last post
  15. Question DMV high emitter profile 4100 engine

    Started by Stealth‎, 01-29-04 07:33 PM
    • Replies: 5
    • Views: 2,574
    02-01-04, 03:37 PM Go to last post
  16. Question 89 sedan deville major problem

    Started by crowenate‎, 01-11-04 04:08 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,642
    02-01-04, 03:06 PM Go to last post
  17. Oil leak 4.5 engine 91 Allante

    Started by Doug Jackson‎, 01-25-04 09:13 AM
    • Replies: 2
    • Views: 1,565
    02-01-04, 09:43 AM Go to last post
  18. My errors have returned, inexplicibly. Help.

    Started by themind‎, 01-30-04 04:49 PM
    • Replies: 1
    • Views: 703
    01-31-04, 10:33 PM Go to last post
  19. question on 91-up caddys with 4.9 engine

    Started by 90devilleguy‎, 01-29-04 03:09 AM
    • Replies: 3
    • Views: 1,050
    01-30-04, 01:02 AM Go to last post
  20. 10W40 oil is a bad weight?

    Started by gtm245‎, 01-27-04 10:47 AM
    • Replies: 6
    • Views: 5,373
    01-29-04, 05:39 PM Go to last post
  21. HELP Failed Emissions!!

    Started by chameleon‎, 01-22-04 08:13 PM
    • Replies: 7
    • Views: 1,407
    100
    01-28-04, 09:13 PM Go to last post
  22. 4.5 vs. 4.9.... Allante....questions......

    Started by Night Wolf‎, 07-23-03 10:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,885
    01-28-04, 04:25 PM Go to last post
    • Replies: 3
    • Views: 780
    01-27-04, 04:57 PM Go to last post
  23. Question I need Info soon

    Started by fokal728‎, 01-17-04 10:22 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,141
    01-26-04, 11:27 PM Go to last post
  24. 1990 TPS relearn procedure . . .

    Started by themind‎, 01-25-04 02:41 PM
    • Replies: 2
    • Views: 5,040
    01-26-04, 01:02 AM Go to last post

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