HT4100 4.1, 4.5, 4.9 - Page 144
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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: 12,622
    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: 84,852
    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: 39,138
    09-20-04, 01:50 AM Go to last post
  1. 88 4.5 Coupe Deville

    Started by macutty‎, 03-28-04 06:49 PM
    • Replies: 5
    • Views: 736
    06-03-04, 10:23 PM Go to last post
    • Replies: 2
    • Views: 1,294
    06-03-04, 07:36 PM Go to last post
    • Replies: 7
    • Views: 585
    06-03-04, 06:59 AM Go to last post
  2. Is my 4.9 on the way out?

    Started by 2dfx‎, 06-01-04 11:33 PM
    • Replies: 4
    • Views: 699
    06-03-04, 12:13 AM Go to last post
    • Replies: 1
    • Views: 857
    06-02-04, 11:30 PM Go to last post
  3. Exclamation Car make caveman brain hurt

    Started by Caveman‎, 05-20-04 10:22 PM
    • Replies: 14
    • Views: 692
    06-02-04, 12:33 PM Go to last post
  4. can the 4.5 handle and 50-75 shot of nitrous

    Started by DeVillish‎, 05-31-04 08:22 AM
    • Replies: 5
    • Views: 515
    06-02-04, 02:27 AM Go to last post
  5. Question E-030 + Poor Mileage + Bouncing High Idle At Startup

    Started by Susana‎, 06-01-04 01:05 AM
    • Replies: 1
    • Views: 990
    06-01-04, 05:54 PM Go to last post
  6. What should I do if I put too much bars leak in?

    Started by CatagoryV‎, 06-01-04 02:39 PM
    • Replies: 1
    • Views: 771
    06-01-04, 04:28 PM Go to last post
  7. Waterpump Replacement

    Started by ChevyTrkLvr‎, 05-30-04 09:44 AM
    • Replies: 3
    • Views: 603
    06-01-04, 01:02 AM Go to last post
  8. OH-NO!! The dreaded 4.1 "knocking".

    Started by qwerty111‎, 05-19-04 12:44 AM
    • Replies: 5
    • Views: 812
    06-01-04, 12:12 AM Go to last post
  9. Changed coolant without pellets; what to do??

    Started by RAMAIR57‎, 05-27-04 05:12 PM
    • Replies: 5
    • Views: 740
    05-31-04, 02:20 AM Go to last post
  10. tps................. help!

    Started by green Deville‎, 05-30-04 09:58 PM
    • Replies: 1
    • Views: 528
    05-31-04, 02:04 AM Go to last post
  11. advancing the timing question

    Started by green Deville‎, 05-29-04 10:22 AM
    • Replies: 6
    • Views: 475
    05-30-04, 10:02 AM Go to last post
  12. Muffler pictures

    Started by caddy john‎, 05-29-04 11:44 AM
    • Replies: 4
    • Views: 1,050
    05-30-04, 09:55 AM Go to last post
  13. Re:Eldo 403FI swap w/MEGASQUIRT ?

    Started by just-j‎, 05-24-04 10:44 PM
    • Replies: 10
    • Views: 1,532
    05-29-04, 09:23 PM Go to last post
  14. Throttle position sensor question

    Started by green Deville‎, 05-29-04 10:31 AM
    • Replies: 2
    • Views: 577
    05-29-04, 12:22 PM Go to last post
  15. Smile Muffler

    Started by caddy john‎, 05-27-04 08:01 PM
    • Replies: 4
    • Views: 406
    05-28-04, 10:15 PM Go to last post
  16. 4.1 to 4.9 swap

    Started by kpobrien‎, 03-30-04 10:23 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,352
    05-28-04, 07:13 PM Go to last post
  17. 4.9 leaking oil?

    Started by caddydaddy‎, 05-24-04 10:24 AM
    • Replies: 7
    • Views: 894
    05-28-04, 07:03 PM Go to last post
  18. injectors

    Started by LacSeville‎, 05-27-04 02:29 PM
    • Replies: 4
    • Views: 531
    05-28-04, 05:04 PM Go to last post
  19. Vibrating noise around throttle body

    Started by 91 Eldo TC‎, 05-28-04 12:06 PM
    • Replies: 1
    • Views: 434
    05-28-04, 03:33 PM Go to last post
  20. Surging/cutting out? 1991 Deville 4.9

    Started by Wingralf‎, 05-19-04 11:45 PM
    • Replies: 8
    • Views: 1,578
    05-27-04, 02:13 PM Go to last post
  21. replacing 4.1 with chevy 5.0

    Started by leszczar‎, 05-24-04 07:50 PM
    • Replies: 2
    • Views: 513
    05-27-04, 12:52 AM Go to last post
  22. Exclamation Rough Idle, stalls and hesitations, but...

    Started by hops‎, 03-28-04 03:51 PM
    • Replies: 11
    • Views: 1,328
    05-26-04, 03:02 PM Go to last post

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