HT4100 4.1, 4.5, 4.9 - Page 150
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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: OBD I codes for 4.x Engines

    Started by DaveSmed, 09-20-04 01:50 AM
    • Replies: 0
    • Views: 59,381
    09-20-04, 01:50 AM Go to last post
  1. Talking newbie

    Started by CadillacCowboy, 06-03-04 06:04 PM
    • Replies: 1
    • Views: 428
    06-03-04, 10:51 PM Go to last post
  2. 88 4.5 Coupe Deville

    Started by macutty, 03-28-04 06:49 PM
    • Replies: 5
    • Views: 968
    06-03-04, 10:23 PM Go to last post
    • Replies: 2
    • Views: 1,995
    06-03-04, 07:36 PM Go to last post
    • Replies: 7
    • Views: 737
    06-03-04, 06:59 AM Go to last post
  3. Is my 4.9 on the way out?

    Started by 2dfx, 06-01-04 11:33 PM
    • Replies: 4
    • Views: 831
    06-03-04, 12:13 AM Go to last post
    • Replies: 1
    • Views: 1,021
    06-02-04, 11:30 PM Go to last post
  4. Exclamation Car make caveman brain hurt

    Started by Caveman, 05-20-04 10:22 PM
    • Replies: 14
    • Views: 864
    06-02-04, 12:33 PM Go to last post
  5. can the 4.5 handle and 50-75 shot of nitrous

    Started by DeVillish, 05-31-04 08:22 AM
    • Replies: 5
    • Views: 677
    06-02-04, 02:27 AM Go to last post
    • Replies: 1
    • Views: 1,367
    06-01-04, 05:54 PM Go to last post
    • Replies: 1
    • Views: 943
    06-01-04, 04:28 PM Go to last post
  6. Waterpump Replacement

    Started by ChevyTrkLvr, 05-30-04 09:44 AM
    • Replies: 3
    • Views: 742
    06-01-04, 01:02 AM Go to last post
  7. OH-NO!! The dreaded 4.1 "knocking".

    Started by qwerty111, 05-19-04 12:44 AM
    • Replies: 5
    • Views: 1,033
    06-01-04, 12:12 AM Go to last post
  8. Changed coolant without pellets; what to do??

    Started by RAMAIR57, 05-27-04 05:12 PM
    • Replies: 5
    • Views: 932
    05-31-04, 02:20 AM Go to last post
  9. tps................. help!

    Started by green Deville, 05-30-04 09:58 PM
    • Replies: 1
    • Views: 636
    05-31-04, 02:04 AM Go to last post
  10. advancing the timing question

    Started by green Deville, 05-29-04 10:22 AM
    • Replies: 6
    • Views: 610
    05-30-04, 10:02 AM Go to last post
  11. Muffler pictures

    Started by caddy john, 05-29-04 11:44 AM
    • Replies: 4
    • Views: 1,284
    05-30-04, 09:55 AM Go to last post
  12. Re:Eldo 403FI swap w/MEGASQUIRT ?

    Started by just-j, 05-24-04 10:44 PM
    • Replies: 10
    • Views: 1,736
    05-29-04, 09:23 PM Go to last post
  13. Throttle position sensor question

    Started by green Deville, 05-29-04 10:31 AM
    • Replies: 2
    • Views: 743
    05-29-04, 12:22 PM Go to last post
  14. Smile Muffler

    Started by caddy john, 05-27-04 08:01 PM
    • Replies: 4
    • Views: 559
    05-28-04, 10:15 PM Go to last post
  15. 4.1 to 4.9 swap

    Started by kpobrien, 03-30-04 10:23 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,907
    05-28-04, 07:13 PM Go to last post
  16. 4.9 leaking oil?

    Started by caddydaddy, 05-24-04 10:24 AM
    • Replies: 7
    • Views: 1,132
    05-28-04, 07:03 PM Go to last post
  17. injectors

    Started by LacSeville, 05-27-04 02:29 PM
    • Replies: 4
    • Views: 668
    05-28-04, 05:04 PM Go to last post
  18. Vibrating noise around throttle body

    Started by 91 Eldo TC, 05-28-04 12:06 PM
    • Replies: 1
    • Views: 546
    05-28-04, 03:33 PM Go to last post
  19. Surging/cutting out? 1991 Deville 4.9

    Started by Wingralf, 05-19-04 11:45 PM
    • Replies: 8
    • Views: 2,565
    05-27-04, 02:13 PM Go to last post
  20. replacing 4.1 with chevy 5.0

    Started by leszczar, 05-24-04 07:50 PM
    • Replies: 2
    • Views: 736
    05-27-04, 12:52 AM Go to last post

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