HT4100 4.1, 4.5, 4.9 - Page 40
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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 07:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,034
    12-15-13, 11:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 01:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 94,423
    02-24-11, 02:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 02:50 AM
    • Replies: 0
    • Views: 43,571
    09-20-04, 02:50 AM Go to last post
    • Replies: 2
    • Views: 716
    01-06-09, 03:49 PM Go to last post
  1. Cadillac trouble

    Started by JayJay1‎, 01-03-09 03:28 PM
    • Replies: 2
    • Views: 476
    01-06-09, 01:44 PM Go to last post
  2. Still got a miss at times

    Started by RexCaroll‎, 12-15-08 01:11 AM
    • Replies: 10
    • Views: 823
    01-04-09, 11:37 PM Go to last post
  3. Exhaust Gas in Radiator

    Started by 89Biarritz‎, 01-04-09 07:57 PM
    • Replies: 3
    • Views: 1,300
    01-04-09, 09:38 PM Go to last post
  4. Unhappy 2003 dhs trouble code p0300

    Started by mcheney‎, 01-03-09 08:01 PM
    • Replies: 1
    • Views: 795
    01-04-09, 04:26 PM Go to last post
  5. 4.9 Lifespan?

    Started by 4.9 Guy‎, 11-16-08 04:43 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,997
    01-04-09, 11:49 AM Go to last post
  6. 1994 Deville leaking coolant

    Started by wtfman‎, 12-29-08 07:28 PM
    • Replies: 4
    • Views: 1,076
    01-03-09, 04:44 PM Go to last post
  7. Cadillac trouble

    Started by JayJay1‎, 01-03-09 02:48 PM
    • Replies: 0
    • Views: 400
    01-03-09, 02:48 PM Go to last post
    • Replies: 6
    • Views: 802
    01-02-09, 10:38 PM Go to last post
  8. 4x engine as boat power?

    Started by Dave S Texas‎, 11-30-08 09:55 AM
    • Replies: 5
    • Views: 865
    01-01-09, 10:56 PM Go to last post
  9. Red face Engine (4.1) won't start, stumbling when starting

    Started by MOLpe‎, 12-27-08 10:15 AM
    • Replies: 3
    • Views: 640
    01-01-09, 10:25 PM Go to last post
  10. Question 88 4.5 V8 Water In Oil

    Started by '88CoupeDeVille‎, 07-27-04 04:09 PM
    • Replies: 12
    • Views: 1,528
    12-30-08, 06:49 PM Go to last post
  11. 93 exhaust question

    Started by 4.9 Guy‎, 12-21-08 05:54 PM
    • Replies: 11
    • Views: 911
    12-28-08, 01:19 AM Go to last post
  12. Question New Distributor Help

    Started by MaineWater‎, 12-21-08 12:22 PM
    • Replies: 6
    • Views: 903
    12-27-08, 09:32 AM Go to last post
  13. water drowning out 84 caddy

    Started by 79malibuonblocks‎, 12-20-08 11:51 PM
    • Replies: 2
    • Views: 503
    12-24-08, 06:48 PM Go to last post
  14. Prolly a dumb question:

    Started by Dave S Texas‎, 12-21-08 02:28 PM
    • Replies: 4
    • Views: 556
    12-24-08, 06:44 PM Go to last post
  15. 93 eldo 4.9 overheating

    Started by jimmspo‎, 12-22-08 01:51 PM
    • Replies: 3
    • Views: 675
    12-23-08, 01:08 PM Go to last post
  16. loss of hp?

    Started by Nitti‎, 12-23-08 04:18 AM
    • Replies: 3
    • Views: 490
    12-23-08, 01:00 PM Go to last post
  17. is it my spark plugs?

    Started by Nitti‎, 12-20-08 12:15 PM
    • Replies: 10
    • Views: 724
    12-21-08, 03:36 AM Go to last post
  18. hard time starting car

    Started by chronix2121‎, 10-30-04 03:42 AM
    • Replies: 6
    • Views: 1,192
    12-20-08, 11:30 PM Go to last post
  19. 91 deville surging idle

    Started by 79malibuonblocks‎, 12-15-08 10:48 PM
    • Replies: 1
    • Views: 563
    12-20-08, 11:26 PM Go to last post
  20. Common 4.1L Problems

    Started by dirt_cheap_fleetwood‎, 12-16-08 02:35 AM
    • Replies: 7
    • Views: 3,437
    12-20-08, 11:20 AM Go to last post
  21. Thumbs up Finally....Start-Up

    Started by Dave S Texas‎, 12-19-08 07:23 PM
    • Replies: 1
    • Views: 535
    12-19-08, 09:23 PM Go to last post
  22. 4.9 Software

    Started by ChadTanner‎, 08-30-08 07:00 AM
    • Replies: 9
    • Views: 1,412
    12-18-08, 12:39 AM Go to last post
  23. New problem: racing after cold startups now

    Started by EMB1230‎, 12-16-08 11:20 PM
    • Replies: 2
    • Views: 402
    12-17-08, 05:06 PM Go to last post

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