HT4100 4.1, 4.5, 4.9 - Page 2
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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 02:50 AM
    • Replies: 0
    • Views: 57,765
    09-20-04, 02:50 AM Go to last post
  1. HT 4100 oil pan capacity question

    Started by Duane Hayes‎, 01-11-13 10:21 PM
    • Replies: 8
    • Views: 2,811
    05-14-16, 06:08 PM Go to last post
  2. Surging Idle on 82 Cad Fleetwood

    Started by hotrodjohn71‎, 04-07-16 08:18 PM
    • Replies: 8
    • Views: 354
    04-10-16, 11:21 AM Go to last post
    • Replies: 1
    • Views: 198
    04-03-16, 05:56 AM Go to last post
    • Replies: 1
    • Views: 233
    04-01-16, 12:10 AM Go to last post
  3. 82 Coupe DeVille 4.1 Belt Replacement

    Started by 82_CoupeDeville‎, 03-31-16 11:49 PM
    • Replies: 0
    • Views: 233
    03-31-16, 11:49 PM Go to last post
  4. HT4100 A/C bypass diagram

    Started by Datboisheed803‎, 02-13-16 12:14 AM
    • Replies: 2
    • Views: 365
    03-30-16, 04:33 PM Go to last post
  5. How do you convert 80's model to R134

    Started by 87allante4.9swap‎, 09-02-09 05:46 PM
    • Replies: 10
    • Views: 1,450
    03-29-16, 04:50 PM Go to last post
  6. Boosting HT4100 Performance

    Started by DrDave‎, 02-21-05 05:50 AM
    2 Pages
    1 2
    • Replies: 27
    • Views: 13,850
    03-29-16, 04:48 PM Go to last post
    • Replies: 2
    • Views: 328
    03-29-16, 03:39 AM Go to last post
    • Replies: 1
    • Views: 340
    03-21-16, 09:28 PM Go to last post
  7. Cooling fan start 4.9

    Started by Pjotr‎, 03-14-16 09:50 AM
    • Replies: 1
    • Views: 290
    03-16-16, 09:45 PM Go to last post
  8. Water Pump Inlet Repair help

    Started by Hamspiced‎, 06-17-08 01:56 AM
    • Replies: 14
    • Views: 6,813
    03-09-16, 11:27 PM Go to last post
  9. Suddenly Won't start, no Spark, 1985 Eldorado

    Started by jhcatlin‎, 02-15-08 01:18 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 8,730
    03-09-16, 12:35 PM Go to last post
  10. Torque, harmonic balancer 4,9

    Started by Pjotr‎, 03-05-16 03:59 PM
    • Replies: 3
    • Views: 342
    03-07-16, 04:04 PM Go to last post
  11. 1993 4.9 O2 sensor locations ?

    Started by Joegolden‎, 03-04-16 11:08 AM
    • Replies: 2
    • Views: 320
    03-06-16, 11:51 PM Go to last post
  12. HT4100 SandRail Dune Buggy

    Started by j1mmy420‎, 02-26-16 08:10 PM
    • Replies: 6
    • Views: 562
    03-05-16, 11:44 PM Go to last post
  13. 4100 service now light

    Started by baldizzone‎, 10-03-03 02:36 PM
    • Replies: 13
    • Views: 5,172
    03-02-16, 06:18 PM Go to last post
  14. 1992 STS 4.9 poor throttle response?

    Started by Black92STS‎, 03-01-16 03:12 PM
    • Replies: 1
    • Views: 270
    03-02-16, 12:34 PM Go to last post
  15. 4.1 power problem

    Started by Datboisheed803‎, 02-18-16 02:36 AM
    • Replies: 4
    • Views: 481
    02-24-16, 07:13 PM Go to last post
  16. Dull clattering at idle

    Started by Crackillac‎, 02-15-16 12:25 AM
    • Replies: 1
    • Views: 287
    02-19-16, 04:22 PM Go to last post
  17. 93 deville cooler lines

    Started by still_walkin‎, 02-08-16 06:01 PM
    • Replies: 6
    • Views: 416
    02-17-16, 04:04 AM Go to last post
  18. ht 4100 questions

    Started by perko0‎, 01-08-16 06:51 PM
    • Replies: 7
    • Views: 708
    02-13-16, 03:56 AM Go to last post
  19. 1984 eldorado cadillac, 4.1 .

    Started by Banjodan‎, 02-05-16 11:17 AM
    • Replies: 1
    • Views: 339
    02-07-16, 08:24 AM Go to last post
  20. 4.9L '93 Seville: How do I replace the pickup coil?

    Started by SubieHo‎, 05-30-08 03:51 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 9,323
    02-02-16, 02:45 PM Go to last post
  21. Oil Filter Adapter/ Distributor Removal

    Started by Crackillac‎, 01-30-16 01:14 AM
    • Replies: 1
    • Views: 309
    01-30-16, 08:57 AM Go to last post

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