HT4100 4.1, 4.5, 4.9 - Page 21
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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: 13,595
    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: 91,169
    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: 41,940
    09-20-04, 01:50 AM Go to last post
  1. ECM interchangeability and swap

    Started by drewsdeville‎, 04-05-10 03:21 PM
    • Replies: 1
    • Views: 540
    04-05-10, 05:06 PM Go to last post
  2. ECM specs, where do I find them?

    Started by the recluse‎, 04-03-10 11:52 PM
    • Replies: 2
    • Views: 626
    04-05-10, 05:00 PM Go to last post
  3. 1991 Deville Leaking Coolant near water pump

    Started by CorpBlack‎, 04-04-10 10:14 PM
    • Replies: 4
    • Views: 2,174
    04-05-10, 03:30 PM Go to last post
  4. No oil up top, what am I missing?

    Started by the recluse‎, 04-02-10 08:41 PM
    • Replies: 12
    • Views: 781
    04-04-10, 01:50 PM Go to last post
  5. Outside temp

    Started by MrDobin‎, 04-03-10 07:31 PM
    • Replies: 1
    • Views: 255
    04-03-10, 07:46 PM Go to last post
  6. ok just need some info

    Started by jwcummings‎, 03-20-10 07:43 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 704
    04-01-10, 01:40 PM Go to last post
  7. 4.5 intake manifold gasket progress

    Started by drewsdeville‎, 03-17-10 07:24 PM
    • Replies: 10
    • Views: 1,134
    04-01-10, 12:03 AM Go to last post
  8. 4.9 Reluctant to Start, Sometimes Dies at Idle

    Started by EldoRedo91‎, 02-28-10 02:30 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,507
    03-28-10, 12:21 AM Go to last post
  9. 84 Seville 4.1L with "Random Toyota Acceleration" issue

    Started by ryans1966‎, 03-18-10 03:29 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,094
    03-26-10, 11:54 PM Go to last post
  10. Anyone Need a 90 deville FSM

    Started by quins90lac‎, 03-26-10 10:19 PM
    • Replies: 0
    • Views: 448
    03-26-10, 10:19 PM Go to last post
  11. Steering

    Started by MrDobin‎, 03-25-10 12:42 AM
    • Replies: 5
    • Views: 463
    03-25-10, 10:57 PM Go to last post
  12. getting wierd OBD I codes what is it bad computer?

    Started by mike93‎, 03-23-10 04:41 PM
    • Replies: 9
    • Views: 751
    03-25-10, 08:58 PM Go to last post
  13. 4.9 ever used in a hearse?

    Started by lowlux‎, 03-22-10 12:23 AM
    • Replies: 7
    • Views: 1,277
    03-24-10, 08:14 PM Go to last post
  14. Question Compression ratios?

    Started by illumina‎, 04-15-06 10:06 PM
    • Replies: 3
    • Views: 755
    03-24-10, 05:49 PM Go to last post
  15. 4.9 main mearing thump getting worse?

    Started by mike93‎, 03-17-10 05:20 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,105
    03-20-10, 07:58 PM Go to last post
  16. Code 52.

    Started by MrDobin‎, 03-18-10 07:08 PM
    • Replies: 8
    • Views: 588
    03-20-10, 11:57 AM Go to last post
  17. lost of power

    Started by still_walkin‎, 03-15-10 05:38 PM
    2 Pages
    1 2
    • Replies: 27
    • Views: 1,242
    03-18-10, 10:55 PM Go to last post
  18. cooling fan module

    Started by steelybill‎, 03-17-10 10:21 PM
    • Replies: 2
    • Views: 419
    03-18-10, 11:06 AM Go to last post
    • Replies: 3
    • Views: 1,647
    03-16-10, 11:53 AM Go to last post
  19. Egr

    Started by jwcummings‎, 03-12-10 08:33 PM
    • Replies: 11
    • Views: 610
    03-15-10, 11:07 PM Go to last post
  20. Goodwrench NEW 4.1 sticker

    Started by schary‎, 03-11-10 03:45 PM
    • Replies: 2
    • Views: 619
    03-11-10, 06:15 PM Go to last post
  21. EGR tubes and TPS question.

    Started by ga_etc‎, 03-07-10 02:00 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,826
    03-10-10, 09:05 PM Go to last post
  22. Fooling the Inlet Air Temp (IAT) sensor?

    Started by Notaguru‎, 05-15-09 10:44 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 5,976
    03-09-10, 01:14 PM Go to last post
  23. I think its the alternator

    Started by MrDobin‎, 02-28-10 09:33 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,042
    03-06-10, 01:19 AM Go to last post
  24. Antifreeze on the PCV Valve

    Started by Sevillian273‎, 03-04-10 04:40 PM
    • Replies: 5
    • Views: 1,687
    03-05-10, 07:04 AM Go to last post

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