HT4100 4.1, 4.5, 4.9 - Page 154
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Threads 3826 to 3850 of 3959
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 06:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 12,636
    12-15-13, 10:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 12:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 84,919
    02-24-11, 01:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 01:50 AM
    • Replies: 0
    • Views: 39,171
    09-20-04, 01:50 AM Go to last post
  1. idiot lights.....

    Started by supacaddy83‎, 02-08-04 03:22 AM
    • Replies: 3
    • Views: 826
    02-08-04, 07:01 PM Go to last post
  2. Engine Dyagnostic Codes

    Started by Mike Gill‎, 02-06-04 10:16 PM
    • Replies: 1
    • Views: 1,080
    02-08-04, 09:29 AM Go to last post
  3. idle speed adjustment

    Started by Mike Gill‎, 02-03-04 10:20 PM
    • Replies: 8
    • Views: 2,830
    02-08-04, 12:02 AM Go to last post
  4. More 4.9 issues

    Started by Stoneage_Caddy‎, 02-07-04 09:19 AM
    • Replies: 4
    • Views: 1,428
    02-07-04, 11:05 PM Go to last post
  5. i need help

    Started by stormhunters92cadi‎, 02-07-04 07:30 PM
    • Replies: 1
    • Views: 604
    100
    02-07-04, 10:22 PM Go to last post
  6. information center

    Started by MONEYTRAIN23‎, 02-05-04 05:50 PM
    • Replies: 0
    • Views: 793
    02-05-04, 05:50 PM Go to last post
  7. Coolant Leak Fixed- Now Running Rough After Warmup

    Started by OldCaddy‎, 01-24-04 06:46 PM
    • Replies: 8
    • Views: 2,032
    02-04-04, 12:37 AM Go to last post
  8. Question DMV high emitter profile 4100 engine

    Started by Stealth‎, 01-29-04 06:33 PM
    • Replies: 5
    • Views: 2,439
    02-01-04, 02:37 PM Go to last post
  9. Question 89 sedan deville major problem

    Started by crowenate‎, 01-11-04 03:08 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,559
    02-01-04, 02:06 PM Go to last post
  10. Oil leak 4.5 engine 91 Allante

    Started by Doug Jackson‎, 01-25-04 08:13 AM
    • Replies: 2
    • Views: 1,338
    02-01-04, 08:43 AM Go to last post
  11. My errors have returned, inexplicibly. Help.

    Started by themind‎, 01-30-04 03:49 PM
    • Replies: 1
    • Views: 668
    01-31-04, 09:33 PM Go to last post
  12. question on 91-up caddys with 4.9 engine

    Started by 90devilleguy‎, 01-29-04 02:09 AM
    • Replies: 3
    • Views: 1,005
    01-30-04, 12:02 AM Go to last post
  13. 10W40 oil is a bad weight?

    Started by gtm245‎, 01-27-04 09:47 AM
    • Replies: 6
    • Views: 4,717
    01-29-04, 04:39 PM Go to last post
  14. HELP Failed Emissions!!

    Started by chameleon‎, 01-22-04 07:13 PM
    • Replies: 7
    • Views: 1,336
    100
    01-28-04, 08:13 PM Go to last post
  15. 4.5 vs. 4.9.... Allante....questions......

    Started by Night Wolf‎, 07-23-03 09:46 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,538
    01-28-04, 03:25 PM Go to last post
    • Replies: 3
    • Views: 747
    01-27-04, 03:57 PM Go to last post
  16. Question I need Info soon

    Started by fokal728‎, 01-17-04 09:22 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,077
    01-26-04, 10:27 PM Go to last post
  17. 1990 TPS relearn procedure . . .

    Started by themind‎, 01-25-04 01:41 PM
    • Replies: 2
    • Views: 4,642
    01-26-04, 12:02 AM Go to last post
  18. engine backfires out of throtle body

    Started by kpobrien‎, 01-25-04 01:30 PM
    • Replies: 2
    • Views: 1,108
    01-25-04, 11:23 PM Go to last post
  19. My 90's got sensor issues (and a glowing Cat Conv)

    Started by themind‎, 01-12-04 01:11 AM
    • Replies: 5
    • Views: 1,132
    01-25-04, 01:26 PM Go to last post
  20. Porting your intake....

    Started by DeVillish‎, 01-16-04 03:24 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,335
    01-23-04, 07:01 PM Go to last post
  21. 4.1 Autobox advice needed

    Started by 64cadillacman‎, 01-15-04 07:52 PM
    • Replies: 2
    • Views: 873
    01-21-04, 05:51 PM Go to last post
  22. dealer shocks with 4.9 "information"

    Started by AlJ‎, 01-14-04 03:37 PM
    • Replies: 5
    • Views: 1,414
    01-16-04, 11:41 PM Go to last post
  23. Question 91 seville codes

    Started by Seviller‎, 01-16-04 03:51 AM
    • Replies: 1
    • Views: 874
    01-16-04, 09:54 AM Go to last post
  24. What engine and box can replace 4.1?

    Started by 64cadillacman‎, 01-15-04 08:28 PM
    • Replies: 1
    • Views: 1,038
    01-15-04, 11:07 PM Go to last post

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