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: Safety Safety Safety !

    Started by Stoneage_Caddy‎, 06-11-04 06:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,723
    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: 98,746
    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: 45,959
    09-20-04, 01:50 AM Go to last post
  1. Weak Battery + Hot Engine - Bad Alternator?

    Started by EldoRedo‎, 05-02-08 11:25 PM
    • Replies: 4
    • Views: 2,190
    05-07-08, 11:46 PM Go to last post
  2. Question Fuel Type?

    Started by EldoFan‎, 04-27-08 02:48 AM
    • Replies: 4
    • Views: 624
    05-07-08, 10:12 PM Go to last post
  3. Need wiring diagrams.

    Started by Carver1‎, 05-07-08 09:11 PM
    • Replies: 0
    • Views: 613
    05-07-08, 09:11 PM Go to last post
  4. 4.1 Spark Plug Wires Problem Solved (Maybe)

    Started by PeteC‎, 05-03-08 09:06 AM
    • Replies: 6
    • Views: 1,235
    05-07-08, 08:20 PM Go to last post
  5. where are the major grounding straps?

    Started by ehall‎, 05-02-08 11:29 AM
    • Replies: 4
    • Views: 940
    05-07-08, 12:31 PM Go to last post
  6. Your advice on the HT 4100 needed/appreciated

    Started by caddymark‎, 05-04-08 01:04 PM
    • Replies: 7
    • Views: 845
    05-06-08, 02:06 AM Go to last post
  7. Pain at the pump and the inspectors

    Started by johnplara‎, 05-05-08 11:52 AM
    • Replies: 2
    • Views: 597
    05-06-08, 02:00 AM Go to last post
  8. 1991 Seville 4.9L Engine Stumble (TECH PLEASE)

    Started by cjhudson87‎, 04-23-08 01:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,607
    05-04-08, 11:02 AM Go to last post
  9. Question 4.9 has irratic idle can you help

    Started by Wolfpath2004‎, 04-24-08 07:57 PM
    • Replies: 5
    • Views: 851
    05-04-08, 09:11 AM Go to last post
  10. high output alternator

    Started by still_walkin‎, 05-03-08 05:52 PM
    • Replies: 1
    • Views: 563
    05-03-08, 09:04 PM Go to last post
  11. radiator 1983 Eldorado refurb?

    Started by nycnftm‎, 04-20-08 09:29 PM
    • Replies: 10
    • Views: 974
    05-03-08, 03:47 PM Go to last post
  12. where is this supposed to connect

    Started by ehall‎, 04-24-08 10:11 AM
    • Replies: 3
    • Views: 1,081
    05-02-08, 11:07 AM Go to last post
  13. replacement fuel injectors

    Started by ehall‎, 12-12-07 10:32 AM
    • Replies: 4
    • Views: 748
    05-01-08, 07:36 PM Go to last post
  14. 91 Deville Distributor Coil wiring diagram

    Started by Morgan‎, 04-26-08 03:02 PM
    • Replies: 1
    • Views: 2,587
    05-01-08, 12:08 PM Go to last post
  15. Cool I Have Codes... Can anyone interpret?

    Started by MrSeville4.9‎, 05-01-08 06:44 AM
    • Replies: 0
    • Views: 768
    05-01-08, 06:44 AM Go to last post
  16. Flowmaster Exhaust for a 4.9 Deville

    Started by 88devillecustom‎, 01-01-08 07:59 PM
    • Replies: 9
    • Views: 3,405
    04-25-08, 09:22 PM Go to last post
  17. New throttle position sensor?

    Started by Chicano-Mexicano‎, 04-22-08 05:21 AM
    • Replies: 7
    • Views: 1,963
    04-25-08, 02:46 PM Go to last post
  18. 93 Started, now can't keep belt on

    Started by 93cADi‎, 04-16-08 09:30 AM
    • Replies: 10
    • Views: 576
    04-24-08, 02:26 PM Go to last post
  19. 4.9 ticking when cold

    Started by designengineer‎, 04-19-08 10:18 PM
    • Replies: 10
    • Views: 782
    04-23-08, 03:44 PM Go to last post
  20. 93 Won't Start

    Started by 93cADi‎, 04-07-08 03:16 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 1,717
    04-23-08, 03:05 PM Go to last post
    • Replies: 0
    • Views: 587
    04-23-08, 02:10 AM Go to last post
  21. engine pinging???

    Started by SRTATEU‎, 04-15-08 11:46 PM
    • Replies: 8
    • Views: 825
    04-21-08, 08:38 PM Go to last post
  22. New Transmission Fluid and Filter

    Started by rootercycles‎, 04-21-08 11:15 AM
    • Replies: 0
    • Views: 599
    04-21-08, 11:15 AM Go to last post
  23. engine pinging off the line?

    Started by SRTATEU‎, 04-20-08 10:39 PM
    • Replies: 1
    • Views: 559
    HUF
    04-21-08, 12:49 AM Go to last post
  24. Got new plugs/wires installed on 4.9 today.

    Started by pompste‎, 04-04-08 10:55 PM
    • Replies: 14
    • Views: 906
    04-18-08, 11:46 AM Go to last post

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