HT4100 4.1, 4.5, 4.9 - Page 67
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Threads 1651 to 1675 of 3988
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: 13,634
    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: 91,345
    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: 41,996
    09-20-04, 01:50 AM Go to last post
  1. Unhappy 90 deville backfiring and running rough?

    Started by pharaoh2653‎, 07-14-06 11:28 PM
    • Replies: 12
    • Views: 1,706
    02-28-07, 12:07 PM Go to last post
  2. Speedometer Sensor issue ?

    Started by aliter‎, 02-24-07 03:55 PM
    • Replies: 2
    • Views: 497
    02-28-07, 10:00 AM Go to last post
  3. Favorite things about the 4.9?

    Started by I~LUV~Caddys8792‎, 02-16-07 08:26 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 2,121
    02-27-07, 03:20 PM Go to last post
  4. Fixed EGR now MPG is lower

    Started by behind-bars‎, 02-19-07 04:26 PM
    • Replies: 5
    • Views: 2,225
    02-26-07, 10:32 PM Go to last post
  5. 84 eldo conv't - 70 weight oil - yes or no?

    Started by waltereldo‎, 02-26-07 10:28 PM
    • Replies: 0
    • Views: 415
    02-26-07, 10:28 PM Go to last post
  6. MAP Problems

    Started by Disturbed_One‎, 02-07-07 05:54 PM
    • Replies: 8
    • Views: 578
    02-26-07, 04:56 PM Go to last post
  7. Help I dont want to get rid of my car BUT!

    Started by smithsmith‎, 12-14-06 06:13 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,362
    02-26-07, 03:33 PM Go to last post
  8. HT-4500 Starting trouble

    Started by SlxAlxx‎, 02-25-07 12:20 AM
    • Replies: 1
    • Views: 495
    02-26-07, 06:06 AM Go to last post
  9. '84 Eldo Code 44

    Started by vlrench‎, 02-25-07 11:41 AM
    • Replies: 2
    • Views: 379
    02-25-07, 11:04 PM Go to last post
  10. 4.5 TBI smoking

    Started by SlxAlxx‎, 02-14-07 10:52 PM
    • Replies: 3
    • Views: 491
    02-24-07, 10:33 AM Go to last post
  11. 86 EGR Valve

    Started by 86cadman‎, 02-16-07 01:43 PM
    • Replies: 14
    • Views: 970
    02-24-07, 07:07 AM Go to last post
  12. Sticky Gas Pedal...4.5L

    Started by 90Devillex32‎, 02-22-07 05:27 PM
    • Replies: 2
    • Views: 366
    02-23-07, 10:16 AM Go to last post
  13. Underhood smoking... need help with a diagnosis

    Started by SlxAlxx‎, 02-19-07 10:55 PM
    • Replies: 3
    • Views: 377
    02-21-07, 10:31 PM Go to last post
  14. engin and trany swap for an 85 coupe deville

    Started by reynolds_cadi‎, 02-17-07 11:31 AM
    • Replies: 3
    • Views: 467
    02-19-07, 11:36 PM Go to last post
  15. 4.5L TBI Grumbling

    Started by SlxAlxx‎, 02-09-07 10:23 PM
    • Replies: 5
    • Views: 651
    HUF
    02-19-07, 08:44 PM Go to last post
  16. How to start when very cold (less than 0 F)

    Started by 100‎, 02-05-07 10:54 PM
    • Replies: 11
    • Views: 752
    02-19-07, 07:15 PM Go to last post
  17. how to get more hp from a 4100

    Started by Stealth‎, 02-08-07 11:42 PM
    • Replies: 6
    • Views: 1,028
    02-18-07, 09:17 PM Go to last post
  18. Question Fuel pump on 4.9 92 Deville

    Started by Occitiger‎, 02-13-07 02:57 PM
    • Replies: 4
    • Views: 2,080
    thu
    02-17-07, 03:47 PM Go to last post
  19. Stop Engine, Low Oil Pressure

    Started by fifty9singlecab‎, 02-02-07 08:16 PM
    • Replies: 4
    • Views: 1,226
    02-16-07, 05:20 PM Go to last post
  20. 4.1 Knock?? Or Tap??

    Started by bobbarker‎, 02-12-07 06:41 PM
    • Replies: 8
    • Views: 689
    02-15-07, 05:53 AM Go to last post
  21. 4.1L injector

    Started by ratsass52‎, 02-09-07 12:28 PM
    • Replies: 6
    • Views: 514
    02-12-07, 08:45 PM Go to last post
  22. HT4500 and 4900 series Performance

    Started by SlxAlxx‎, 02-09-07 02:18 PM
    • Replies: 8
    • Views: 2,650
    02-11-07, 02:32 PM Go to last post
  23. Oil Level

    Started by zentrade‎, 02-06-07 02:36 PM
    • Replies: 4
    • Views: 426
    02-08-07, 09:45 AM Go to last post
  24. Need Help Please

    Started by fifty9singlecab‎, 02-04-07 12:49 AM
    • Replies: 10
    • Views: 424
    02-08-07, 09:38 AM Go to last post
  25. Engine surges at slow speed

    Started by ScottN3N‎, 02-03-07 02:18 PM
    • Replies: 2
    • Views: 587
    02-07-07, 08:05 PM Go to last post

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