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: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 02:50 AM
    • Replies: 0
    • Views: 43,159
    09-20-04, 02:50 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: 93,692
    02-24-11, 02:56 PM Go to last post
  3. Sticky Thread Sticky: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 07:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 13,937
    12-15-13, 11:54 AM Go to last post
  1. 4.5 performance parts

    Started by DeVillish‎, 01-13-03 07:00 PM
    • Replies: 1
    • Views: 1,500
    01-13-03, 11:36 PM Go to last post
  2. Question 1993 Deville

    Started by tikibeast‎, 03-09-03 04:44 PM
    • Replies: 6
    • Views: 1,205
    03-13-03, 10:52 AM Go to last post
  3. Question Error Codes--please help

    Started by serdriver‎, 03-21-03 09:59 PM
    • Replies: 1
    • Views: 1,470
    03-21-03, 10:33 PM Go to last post
  4. throttle angle

    Started by DeVillish‎, 03-21-03 10:03 AM
    • Replies: 9
    • Views: 2,244
    03-22-03, 05:22 PM Go to last post
  5. deck the heads?

    Started by DeVillish‎, 04-02-03 12:27 AM
    • Replies: 2
    • Views: 1,082
    04-02-03, 11:06 AM Go to last post
  6. Leaky but good engine

    Started by Ralph‎, 03-27-03 02:41 AM
    • Replies: 12
    • Views: 1,435
    05-05-03, 02:15 AM Go to last post
  7. Service Code E30

    Started by James Burford‎, 06-01-03 07:41 PM
    • Replies: 2
    • Views: 1,474
    06-02-03, 01:56 PM Go to last post
  8. 4.9 Stall Problem

    Started by 2dfx‎, 06-15-03 10:34 PM
    • Replies: 3
    • Views: 1,246
    06-17-03, 04:39 AM Go to last post
  9. 4.9 jiggles

    Started by VlaDeMaN‎, 06-24-03 10:22 PM
    • Replies: 6
    • Views: 1,197
    07-01-03, 01:04 AM Go to last post
  10. bad EGR valve=poor mpg?

    Started by DeVillish‎, 07-02-03 11:41 PM
    • Replies: 12
    • Views: 4,284
    07-05-03, 02:06 PM Go to last post
  11. check your egr tubes 4.9 bruthas

    Started by Stoneage_Caddy‎, 07-23-03 04:16 PM
    • Replies: 2
    • Views: 1,333
    07-24-03, 12:51 AM Go to last post
  12. H.E.I. Help Needed

    Started by Stoneage_Caddy‎, 07-16-03 12:59 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 2,439
    07-24-03, 12:49 PM Go to last post
  13. Unhappy 1984 4.1 liter waterpump

    Started by patc‎, 07-23-03 12:07 PM
    • Replies: 4
    • Views: 1,270
    07-24-03, 06:40 PM Go to last post
  14. disable traction control

    Started by blkchrry92dvl‎, 07-28-03 01:34 PM
    • Replies: 3
    • Views: 1,069
    07-28-03, 02:41 PM Go to last post
  15. anyone with a GM manual ????angie????

    Started by Stoneage_Caddy‎, 07-28-03 02:09 PM
    • Replies: 10
    • Views: 1,403
    07-29-03, 11:03 PM Go to last post
  16. Need Advise on ISC Adjustment

    Started by 2dfx‎, 08-25-03 12:38 PM
    • Replies: 1
    • Views: 1,478
    08-25-03, 04:23 PM Go to last post
  17. Exclamation Dead DeVille Aftermath!

    Started by 2dfx‎, 08-13-03 05:36 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,649
    08-31-03, 02:50 AM Go to last post
  18. Doss

    Started by 2dfx‎, 08-28-03 08:23 PM
    • Replies: 9
    • Views: 859
    08-31-03, 01:34 PM Go to last post
    • Replies: 5
    • Views: 2,291
    09-05-03, 06:33 PM Go to last post
  19. Bosch Fuel Injectors

    Started by Brian Bray‎, 09-07-03 02:30 PM
    • Replies: 2
    • Views: 1,182
    09-08-03, 11:14 PM Go to last post
  20. Cool Engine Swaps and Expense

    Started by ElDiablo83‎, 08-31-03 10:03 PM
    • Replies: 5
    • Views: 1,433
    09-11-03, 05:57 PM Go to last post
  21. Recurring Cooling Problems - any ideas?

    Started by the white hat‎, 08-28-03 04:02 PM
    • Replies: 8
    • Views: 1,429
    09-16-03, 04:05 PM Go to last post
  22. Question Trouble Shooting

    Started by ElDiablo83‎, 09-17-03 11:11 AM
    • Replies: 1
    • Views: 1,392
    09-19-03, 11:46 AM Go to last post
  23. New member needs some help

    Started by ridehd‎, 09-17-03 10:54 PM
    • Replies: 2
    • Views: 730
    09-19-03, 11:50 AM Go to last post
  24. Poll Poll: '94 Deville4.9L idles rough !

    Started by 2Clown2‎, 09-04-03 06:43 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 2,590
    09-20-03, 03:05 AM Go to last post

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