HT4100 4.1, 4.5, 4.9
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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: 13,307
    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: 89,088
    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: 40,949
    09-20-04, 01:50 AM Go to last post
  1. Oil light coming on at idle...

    Started by delerium75‎, 04-24-14 10:15 PM
    • Replies: 4
    • Views: 346
    07-28-14, 06:15 PM Go to last post
  2. HT 4100 Rocker arm support train

    Started by nizki1981‎, 06-24-14 06:42 AM
    • Replies: 2
    • Views: 245
    07-23-14, 08:15 AM Go to last post
  3. HT 4100 Camshaft break-in!

    Started by nizki1981‎, 07-23-14 01:48 AM
    • Replies: 1
    • Views: 123
    07-23-14, 08:06 AM Go to last post
  4. 84 coupe deville 4.1 rwd

    Started by chuck84‎, 07-13-14 02:26 PM
    • Replies: 1
    • Views: 149
    07-13-14, 02:30 PM Go to last post
  5. Question 90 Seville, Code E041

    Started by Dave D.‎, 05-04-04 10:01 AM
    • Replies: 13
    • Views: 3,942
    07-10-14, 08:50 PM Go to last post
  6. 4.5 head gaskets

    Started by raymondk‎, 03-20-10 01:52 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,246
    07-05-14, 02:17 PM Go to last post
  7. 4.5 "main brg thump"

    Started by raymondk‎, 07-05-14 12:14 PM
    • Replies: 0
    • Views: 142
    07-05-14, 12:14 PM Go to last post
    • Replies: 9
    • Views: 865
    06-02-14, 05:19 PM Go to last post
  8. Capped hose from vapor canister? 95 4.9 Deville

    Started by warnereg‎, 05-28-14 02:27 PM
    • Replies: 0
    • Views: 141
    05-28-14, 02:27 PM Go to last post
  9. P048 code - detonation at load 95 deville 4.9

    Started by warnereg‎, 04-26-14 10:59 PM
    • Replies: 11
    • Views: 516
    05-25-14, 08:54 PM Go to last post
  10. swap 1987 4.1 to 4.5

    Started by Eureka1000‎, 05-23-14 09:28 AM
    • Replies: 2
    • Views: 278
    05-23-14, 11:28 PM Go to last post
  11. anyone need new pistons?

    Started by eldorado_sean‎, 05-22-14 09:44 PM
    • Replies: 0
    • Views: 179
    05-22-14, 09:44 PM Go to last post
  12. 84 Seville headgasket or?

    Started by gm-addict‎, 04-07-14 01:18 PM
    • Replies: 4
    • Views: 410
    05-17-14, 03:05 AM Go to last post
  13. Timing Issue

    Started by omston‎, 05-05-14 11:01 PM
    • Replies: 10
    • Views: 683
    05-13-14, 10:39 AM Go to last post
  14. Crap...sludge under oil filler cap...

    Started by delerium75‎, 05-09-14 01:41 AM
    • Replies: 0
    • Views: 316
    05-09-14, 01:41 AM Go to last post
    • Replies: 4
    • Views: 378
    05-08-14, 06:12 PM Go to last post
  15. First time Cadillac owner - bad 4.1 engine

    Started by 4100engineswap‎, 04-29-14 08:47 AM
    • Replies: 2
    • Views: 389
    04-29-14, 09:53 AM Go to last post
    • Replies: 8
    • Views: 464
    04-28-14, 01:26 PM Go to last post
  16. Idle Control

    Started by Ware0508‎, 04-24-14 02:47 PM
    • Replies: 3
    • Views: 281
    04-25-14, 10:58 AM Go to last post
  17. HT4100 82 Seville engine replacement options

    Started by DPD‎, 04-19-14 08:54 PM
    • Replies: 2
    • Views: 350
    DPD
    04-24-14, 01:32 PM Go to last post
  18. Allante intake

    Started by stoveguyy‎, 04-19-14 09:55 PM
    • Replies: 3
    • Views: 322
    04-23-14, 08:56 PM Go to last post
  19. FPR and Injectors 4.9

    Started by zentrade‎, 02-27-14 09:19 PM
    • Replies: 1
    • Views: 427
    04-19-14, 09:53 PM Go to last post
  20. HT4100 Intake Gasket Question

    Started by JamesG602‎, 02-19-14 09:27 PM
    • Replies: 5
    • Views: 685
    04-14-14, 03:19 PM Go to last post
  21. 1985 Eldorado 4100 engine swap

    Started by mrboots54‎, 08-26-09 09:18 AM
    • Replies: 11
    • Views: 8,428
    04-11-14, 03:07 PM Go to last post
  22. Service A/c Light 4.9 '93 Sedan...

    Started by GEE_RIDE‎, 04-08-14 08:17 PM
    • Replies: 2
    • Views: 307
    04-09-14, 11:49 AM Go to last post

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