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 01:50 AM
    • Replies: 0
    • Views: 45,226
    09-20-04, 01:50 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: 97,814
    02-24-11, 01:56 PM Go to last post
  3. Sticky Thread Sticky: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 06:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,579
    12-15-13, 10:54 AM Go to last post
  1. 89 Cadillac Deville

    Started by <3 my 95 SLS‎, 09-30-03 09:20 PM
    • Replies: 1
    • Views: 1,746
    09-30-03, 11:09 PM Go to last post
  2. Question 4.5 V8 Water in Oil

    Started by '88CoupeDeVille‎, 07-27-04 04:37 PM
    • Replies: 0
    • Views: 528
    07-27-04, 04:37 PM Go to last post
  3. Question 88 4.5 V8 Water In Oil

    Started by '88CoupeDeVille‎, 07-27-04 03:09 PM
    • Replies: 12
    • Views: 1,540
    12-30-08, 05:49 PM Go to last post
  4. Question 4.9 water pump bolting question?

    Started by *bullfrog*‎, 05-19-05 06:31 PM
    • Replies: 4
    • Views: 580
    05-22-05, 04:30 PM Go to last post
  5. First Caddy Questions

    Started by 08flstc‎, 09-02-11 06:04 AM
    • Replies: 1
    • Views: 695
    09-02-11, 09:40 AM Go to last post
  6. 92 deville 4.9 timing cover question

    Started by 0rion‎, 03-06-06 01:40 AM
    • Replies: 6
    • Views: 3,552
    03-07-06, 10:26 AM Go to last post
  7. Open and closed loop

    Started by 100‎, 11-03-03 08:53 PM
    • Replies: 4
    • Views: 1,250
    100
    11-08-03, 06:48 PM Go to last post
  8. Hard to start below 0 F

    Started by 100‎, 01-08-04 12:14 AM
    • Replies: 14
    • Views: 1,151
    01-11-04, 02:22 AM Go to last post
  9. knocking solved

    Started by 100‎, 06-12-04 03:54 PM
    • Replies: 5
    • Views: 1,717
    10-13-04, 07:45 PM Go to last post
  10. Size of O-rings in fuel line

    Started by 100‎, 09-06-04 05:22 PM
    • Replies: 0
    • Views: 495
    100
    09-06-04, 05:22 PM Go to last post
  11. P012 bad hall sensor or pick up coil?

    Started by 100‎, 01-11-05 10:27 PM
    • Replies: 2
    • Views: 1,477
    100
    01-12-05, 10:10 PM Go to last post
  12. Subtle rattling noise possibly from transmission

    Started by 100‎, 01-28-05 12:52 AM
    • Replies: 12
    • Views: 2,312
    08-20-05, 12:07 AM Go to last post
  13. Fuel pressure

    Started by 100‎, 05-07-05 08:25 PM
    • Replies: 2
    • Views: 545
    100
    05-08-05, 12:17 AM Go to last post
  14. BARO on 4.9?

    Started by 100‎, 05-09-05 12:19 AM
    • Replies: 2
    • Views: 534
    100
    05-09-05, 10:06 PM Go to last post
  15. MAP reading while applying brake

    Started by 100‎, 07-19-05 10:27 PM
    • Replies: 9
    • Views: 641
    100
    07-29-05, 11:51 PM Go to last post
  16. EGR valve replacement fixed the knocking problem!

    Started by 100‎, 11-06-05 04:39 PM
    • Replies: 8
    • Views: 831
    100
    11-07-05, 11:34 PM Go to last post
  17. Moved (you will be redirected): Question on armature in SD250 starter

    Started by 100‎, 08-05-06 02:17 AM
    • Replies: -
    • Views: -
    100
    12-23-05, 11:50 PM Go to last post
  18. Knock sensor on HT4100?

    Started by 100‎, 01-01-06 12:10 AM
    • Replies: 7
    • Views: 899
    01-04-06, 12:08 AM Go to last post
  19. 4T60E transmission problem??

    Started by 100‎, 01-04-06 10:26 PM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 4,779
    03-09-06, 04:10 PM Go to last post
  20. Questions on ISC

    Started by 100‎, 03-07-06 10:08 PM
    • Replies: 11
    • Views: 620
    03-14-06, 03:58 AM Go to last post
  21. Question on use of Rotella 15W-40

    Started by 100‎, 05-01-06 11:55 PM
    • Replies: 11
    • Views: 1,012
    05-08-06, 01:56 AM Go to last post
  22. Life expectancy for 4.9 and 4T60E

    Started by 100‎, 08-13-06 10:10 PM
    4 Pages
    1 2 3 4
    • Replies: 56
    • Views: 9,890
    02-23-15, 05:25 PM Go to last post
  23. EGR solenoid, is it normal?

    Started by 100‎, 11-24-06 12:18 AM
    • Replies: 5
    • Views: 1,754
    100
    11-28-06, 09:43 PM Go to last post
  24. PCM override, PS10

    Started by 100‎, 11-24-06 12:25 AM
    • Replies: 1
    • Views: 681
    100
    11-24-06, 03:06 PM Go to last post
  25. How to start when very cold (less than 0 F)

    Started by 100‎, 02-05-07 10:54 PM
    • Replies: 11
    • Views: 804
    02-19-07, 07:15 PM Go to last post

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