HT4100 4.1, 4.5, 4.9 - Page 69
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Threads 1701 to 1725 of 4034
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: 14,787
    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: 99,220
    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: 46,377
    09-20-04, 01:50 AM Go to last post
  1. Fixed EGR now MPG is lower

    Started by behind-bars‎, 02-19-07 04:26 PM
    • Replies: 5
    • Views: 2,278
    02-26-07, 10:32 PM Go to last post
  2. 84 eldo conv't - 70 weight oil - yes or no?

    Started by waltereldo‎, 02-26-07 10:28 PM
    • Replies: 0
    • Views: 440
    02-26-07, 10:28 PM Go to last post
  3. MAP Problems

    Started by Disturbed_One‎, 02-07-07 05:54 PM
    • Replies: 8
    • Views: 609
    02-26-07, 04:56 PM Go to last post
  4. 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: 1,568
    02-26-07, 03:33 PM Go to last post
  5. HT-4500 Starting trouble

    Started by SlxAlxx‎, 02-25-07 12:20 AM
    • Replies: 1
    • Views: 530
    02-26-07, 06:06 AM Go to last post
  6. '84 Eldo Code 44

    Started by vlrench‎, 02-25-07 11:41 AM
    • Replies: 2
    • Views: 424
    02-25-07, 11:04 PM Go to last post
  7. 4.5 TBI smoking

    Started by SlxAlxx‎, 02-14-07 10:52 PM
    • Replies: 3
    • Views: 519
    02-24-07, 10:33 AM Go to last post
  8. 86 EGR Valve

    Started by 86cadman‎, 02-16-07 01:43 PM
    • Replies: 14
    • Views: 1,170
    02-24-07, 07:07 AM Go to last post
  9. Sticky Gas Pedal...4.5L

    Started by 90Devillex32‎, 02-22-07 05:27 PM
    • Replies: 2
    • Views: 379
    02-23-07, 10:16 AM Go to last post
  10. Underhood smoking... need help with a diagnosis

    Started by SlxAlxx‎, 02-19-07 10:55 PM
    • Replies: 3
    • Views: 420
    02-21-07, 10:31 PM Go to last post
  11. engin and trany swap for an 85 coupe deville

    Started by reynolds_cadi‎, 02-17-07 11:31 AM
    • Replies: 3
    • Views: 492
    02-19-07, 11:36 PM Go to last post
  12. 4.5L TBI Grumbling

    Started by SlxAlxx‎, 02-09-07 10:23 PM
    • Replies: 5
    • Views: 703
    HUF
    02-19-07, 08:44 PM Go to last post
  13. How to start when very cold (less than 0 F)

    Started by 100‎, 02-05-07 10:54 PM
    • Replies: 11
    • Views: 814
    02-19-07, 07:15 PM Go to last post
  14. how to get more hp from a 4100

    Started by Stealth‎, 02-08-07 11:42 PM
    • Replies: 6
    • Views: 1,105
    02-18-07, 09:17 PM Go to last post
  15. Question Fuel pump on 4.9 92 Deville

    Started by Occitiger‎, 02-13-07 02:57 PM
    • Replies: 4
    • Views: 2,442
    thu
    02-17-07, 03:47 PM Go to last post
  16. Stop Engine, Low Oil Pressure

    Started by fifty9singlecab‎, 02-02-07 08:16 PM
    • Replies: 4
    • Views: 1,306
    02-16-07, 05:20 PM Go to last post
  17. 4.1 Knock?? Or Tap??

    Started by bobbarker‎, 02-12-07 06:41 PM
    • Replies: 8
    • Views: 728
    02-15-07, 05:53 AM Go to last post
  18. 4.1L injector

    Started by ratsass52‎, 02-09-07 12:28 PM
    • Replies: 6
    • Views: 547
    02-12-07, 08:45 PM Go to last post
  19. HT4500 and 4900 series Performance

    Started by SlxAlxx‎, 02-09-07 02:18 PM
    • Replies: 8
    • Views: 2,908
    02-11-07, 02:32 PM Go to last post
  20. Oil Level

    Started by zentrade‎, 02-06-07 02:36 PM
    • Replies: 4
    • Views: 450
    02-08-07, 09:45 AM Go to last post
  21. Need Help Please

    Started by fifty9singlecab‎, 02-04-07 12:49 AM
    • Replies: 10
    • Views: 460
    02-08-07, 09:38 AM Go to last post
  22. Engine surges at slow speed

    Started by ScottN3N‎, 02-03-07 02:18 PM
    • Replies: 2
    • Views: 620
    02-07-07, 08:05 PM Go to last post
  23. 4.5 differences

    Started by Astraks1001‎, 11-26-06 03:26 PM
    • Replies: 6
    • Views: 831
    02-07-07, 05:05 PM Go to last post
  24. Exclamation 1988 Fleetwood 4.5 Distributor order

    Started by Disturbed_One‎, 02-01-07 03:07 PM
    • Replies: 4
    • Views: 1,227
    02-04-07, 12:14 AM Go to last post
  25. 1985 deville ht4100 jump start

    Started by jetengine‎, 01-30-07 06:40 AM
    • Replies: 2
    • Views: 514
    02-01-07, 01:14 AM Go to last post

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