HT4100 4.1, 4.5, 4.9 - Page 50
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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: 47,386
    09-20-04, 01:50 AM Go to last post
  1. 4.9's torque

    Started by awadecki‎, 03-16-08 09:46 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,696
    05-17-08, 09:59 AM Go to last post
  2. clamp-down dist caps

    Started by ehall‎, 05-13-08 02:25 PM
    • Replies: 3
    • Views: 1,056
    05-14-08, 08:25 PM Go to last post
  3. Throttle body spacers on a 4.? engine

    Started by quins90lac‎, 05-12-08 10:15 AM
    • Replies: 1
    • Views: 493
    05-12-08, 02:34 PM Go to last post
    • Replies: 10
    • Views: 1,451
    HUF
    05-11-08, 07:40 PM Go to last post
  4. 1992 4.9 injector replacement

    Started by 1badcad‎, 05-09-08 04:10 PM
    • Replies: 1
    • Views: 834
    05-11-08, 12:42 AM Go to last post
  5. last problem with HT4100 (I hope)

    Started by ehall‎, 04-23-08 02:09 PM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 3,466
    05-10-08, 10:58 PM Go to last post
  6. Question Head gasket maybe but hope not!

    Started by 92EldoTC‎, 04-25-08 04:54 PM
    • Replies: 11
    • Views: 877
    05-10-08, 07:15 PM Go to last post
  7. In search of a new/rebuilt vacuum pump...

    Started by Tshimanga75‎, 05-08-06 01:26 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 5,225
    05-09-08, 11:13 AM Go to last post
  8. 4.9L coolant leak

    Started by sk92‎, 05-04-08 12:10 PM
    • Replies: 2
    • Views: 1,200
    05-08-08, 08:40 PM Go to last post
  9. Weak Battery + Hot Engine - Bad Alternator?

    Started by EldoRedo‎, 05-02-08 11:25 PM
    • Replies: 4
    • Views: 2,249
    05-07-08, 11:46 PM Go to last post
  10. Question Fuel Type?

    Started by EldoFan‎, 04-27-08 02:48 AM
    • Replies: 4
    • Views: 629
    05-07-08, 10:12 PM Go to last post
  11. Need wiring diagrams.

    Started by Carver1‎, 05-07-08 09:11 PM
    • Replies: 0
    • Views: 620
    05-07-08, 09:11 PM Go to last post
  12. 4.1 Spark Plug Wires Problem Solved (Maybe)

    Started by PeteC‎, 05-03-08 09:06 AM
    • Replies: 6
    • Views: 1,245
    05-07-08, 08:20 PM Go to last post
  13. where are the major grounding straps?

    Started by ehall‎, 05-02-08 11:29 AM
    • Replies: 4
    • Views: 948
    05-07-08, 12:31 PM Go to last post
  14. Your advice on the HT 4100 needed/appreciated

    Started by caddymark‎, 05-04-08 01:04 PM
    • Replies: 7
    • Views: 852
    05-06-08, 02:06 AM Go to last post
  15. Pain at the pump and the inspectors

    Started by johnplara‎, 05-05-08 11:52 AM
    • Replies: 2
    • Views: 604
    05-06-08, 02:00 AM Go to last post
  16. 1991 Seville 4.9L Engine Stumble (TECH PLEASE)

    Started by cjhudson87‎, 04-23-08 01:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,752
    05-04-08, 11:02 AM Go to last post
  17. Question 4.9 has irratic idle can you help

    Started by Wolfpath2004‎, 04-24-08 07:57 PM
    • Replies: 5
    • Views: 859
    05-04-08, 09:11 AM Go to last post
  18. high output alternator

    Started by still_walkin‎, 05-03-08 05:52 PM
    • Replies: 1
    • Views: 569
    05-03-08, 09:04 PM Go to last post
  19. radiator 1983 Eldorado refurb?

    Started by nycnftm‎, 04-20-08 09:29 PM
    • Replies: 10
    • Views: 984
    05-03-08, 03:47 PM Go to last post
  20. where is this supposed to connect

    Started by ehall‎, 04-24-08 10:11 AM
    • Replies: 3
    • Views: 1,089
    05-02-08, 11:07 AM Go to last post
  21. replacement fuel injectors

    Started by ehall‎, 12-12-07 10:32 AM
    • Replies: 4
    • Views: 757
    05-01-08, 07:36 PM Go to last post
  22. 91 Deville Distributor Coil wiring diagram

    Started by Morgan‎, 04-26-08 03:02 PM
    • Replies: 1
    • Views: 2,599
    05-01-08, 12:08 PM Go to last post
  23. Cool I Have Codes... Can anyone interpret?

    Started by MrSeville4.9‎, 05-01-08 06:44 AM
    • Replies: 0
    • Views: 771
    05-01-08, 06:44 AM Go to last post
  24. Flowmaster Exhaust for a 4.9 Deville

    Started by 88devillecustom‎, 01-01-08 07:59 PM
    • Replies: 9
    • Views: 3,510
    04-25-08, 09:22 PM Go to last post

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