HT4100 4.1, 4.5, 4.9 - Page 17
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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: 14,772
    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: 99,128
    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: 46,322
    09-20-04, 01:50 AM Go to last post
  1. 4.9 Horrible Idle

    Started by Enigmaticwraith‎, 01-24-11 03:54 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 1,863
    02-07-11, 08:01 PM Go to last post
    • Replies: 5
    • Views: 1,604
    02-03-11, 08:42 PM Go to last post
  2. Performance?

    Started by 87allante4.9swap‎, 05-27-09 08:37 PM
    • Replies: 12
    • Views: 1,355
    01-29-11, 07:12 PM Go to last post
  3. Talking Whats The AVG MPG Readout for this forum

    Started by rlowe228‎, 04-22-05 12:42 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,957
    01-28-11, 07:55 PM Go to last post
  4. allante 4.5! awesome

    Started by eyekandyboats.inc‎, 08-25-10 11:20 PM
    • Replies: 7
    • Views: 1,164
    01-28-11, 07:42 PM Go to last post
  5. 4.9 performance

    Started by 93_60Special‎, 09-24-03 10:00 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 5,165
    01-28-11, 07:40 PM Go to last post
  6. 1985 Cadillac El Dorado water pump!

    Started by tombomb661‎, 12-23-10 04:52 PM
    • Replies: 2
    • Views: 2,006
    01-25-11, 08:08 PM Go to last post
  7. 1993 Distributor, and Minimum Air

    Started by Enigmaticwraith‎, 01-19-11 10:53 PM
    • Replies: 3
    • Views: 789
    01-22-11, 05:12 PM Go to last post
  8. e23 and e27

    Started by Reverend Hearse‎, 10-24-10 11:42 AM
    5 Pages
    1 2 3 4 5
    • Replies: 65
    • Views: 6,247
    01-21-11, 05:43 PM Go to last post
  9. 4.9 blown head gasket

    Started by Eldorado guy‎, 01-06-11 03:08 AM
    • Replies: 4
    • Views: 5,414
    01-17-11, 08:15 PM Go to last post
  10. Intermittent throttle sticking

    Started by skipcarver42‎, 12-13-10 05:41 PM
    • Replies: 9
    • Views: 1,151
    01-13-11, 06:42 PM Go to last post
  11. codes i pulled from my cadi

    Started by ericnnz‎, 01-03-11 06:02 PM
    • Replies: 1
    • Views: 508
    HUF
    01-05-11, 09:26 PM Go to last post
  12. idle engine engine hot please help

    Started by poduff1978‎, 01-02-11 11:38 PM
    • Replies: 3
    • Views: 1,457
    01-04-11, 06:48 PM Go to last post
  13. Oil in coolant, 4.5

    Started by 8eldorado8‎, 01-01-11 12:32 PM
    • Replies: 5
    • Views: 884
    01-03-11, 08:40 PM Go to last post
  14. 4.9 Will Not Idle Below 2500rpm!

    Started by skor‎, 07-02-07 04:30 PM
    5 Pages
    1 2 3 4 5
    • Replies: 63
    • Views: 6,900
    01-02-11, 02:36 PM Go to last post
    • Replies: 5
    • Views: 4,747
    12-21-10, 02:19 PM Go to last post
  15. 90' 4.5L Deville Head Bolt Leaking

    Started by Cristofo‎, 12-20-10 01:25 PM
    • Replies: 6
    • Views: 721
    12-21-10, 01:46 PM Go to last post
  16. Unhappy 1990 Seville-Message DTC R026 / RO33

    Started by Bigjack21000‎, 10-27-10 05:33 PM
    • Replies: 4
    • Views: 2,245
    12-21-10, 12:38 PM Go to last post
  17. 4.9 no crank

    Started by Power Juicer‎, 12-17-10 07:50 AM
    • Replies: 8
    • Views: 800
    12-20-10, 05:49 PM Go to last post
    • Replies: 7
    • Views: 3,189
    12-17-10, 10:11 PM Go to last post
  18. 7mpg average! Help if anyone can.

    Started by Forgoten214‎, 12-06-10 09:40 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 1,865
    12-13-10, 07:39 PM Go to last post
  19. No heat at 90 degrees on climate control 93 caddy

    Started by mike93‎, 10-16-09 07:10 PM
    • Replies: 9
    • Views: 1,351
    12-13-10, 03:47 PM Go to last post
  20. 1986 Seville HT4100-Overcooling issue

    Started by ht4100‎, 11-29-10 07:44 PM
    • Replies: 9
    • Views: 935
    12-12-10, 07:33 PM Go to last post
  21. Looking for HT4100 Cylinder head guide pin

    Started by dhuberasu‎, 12-11-10 01:51 PM
    • Replies: 0
    • Views: 914
    12-11-10, 01:51 PM Go to last post
  22. squeeling under the hood

    Started by cadillaceldo93‎, 12-09-10 01:44 AM
    • Replies: 8
    • Views: 608
    12-10-10, 02:20 AM Go to last post

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