HT4100 4.1, 4.5, 4.9
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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: 14,784
    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: 99,199
    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: 46,360
    09-20-04, 01:50 AM Go to last post
  1. 1985 eldorado biarritz won't start

    Started by bernier7‎, 01-07-12 09:50 PM
    • Replies: 12
    • Views: 7,738
    05-24-15, 08:31 PM Go to last post
  2. 440-T4 > 4T6X-E conversion

    Started by ehall‎, 12-19-14 12:28 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 868
    05-20-15, 01:23 PM Go to last post
  3. swapping 440-T4

    Started by ehall‎, 04-21-15 12:39 PM
    • Replies: 7
    • Views: 240
    05-19-15, 11:25 PM Go to last post
  4. Refresh HT4100 85 Seville

    Started by waterzap‎, 05-02-15 10:24 AM
    • Replies: 3
    • Views: 153
    05-02-15, 09:20 PM Go to last post
  5. 4.1 Coupe Freshining Up with pics

    Started by Crackillac‎, 04-19-15 11:44 PM
    • Replies: 9
    • Views: 297
    04-29-15, 10:51 PM Go to last post
  6. Coolant Pellets, Tabs.. are these them?

    Started by Crackillac‎, 04-17-15 01:35 AM
    • Replies: 5
    • Views: 214
    04-29-15, 10:13 AM Go to last post
  7. Noise after changing Oil 4.1 CDV

    Started by Crackillac‎, 04-21-15 11:13 PM
    • Replies: 11
    • Views: 252
    04-27-15, 11:23 PM Go to last post
  8. 4.9 Distributor / Timing question

    Started by Cream_Devil_91‎, 06-24-10 01:00 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 7,694
    04-19-15, 09:31 PM Go to last post
  9. 4.9 cold start knock what is it??

    Started by shaagger‎, 03-23-15 12:48 AM
    • Replies: 7
    • Views: 321
    04-17-15, 03:03 AM Go to last post
    • Replies: 1
    • Views: 522
    04-16-15, 11:36 PM Go to last post
  10. Service Soon digital dash Out

    Started by Crackillac‎, 10-19-13 03:00 AM
    • Replies: 7
    • Views: 817
    04-15-15, 10:46 AM Go to last post
  11. 1985 Eldo transplant...

    Started by black396‎, 04-08-15 05:01 PM
    • Replies: 1
    • Views: 158
    04-09-15, 03:53 PM Go to last post
  12. School Me !

    Started by Rad_A_Lac‎, 04-03-15 12:20 PM
    • Replies: 7
    • Views: 237
    04-07-15, 08:56 AM Go to last post
  13. 92 Allante 4.5 returning E041 Cam sensor

    Started by ht4100‎, 02-02-15 11:45 PM
    • Replies: 4
    • Views: 293
    04-07-15, 01:44 AM Go to last post
  14. 4.9 random stalls

    Started by shawnda‎, 04-02-15 04:28 PM
    • Replies: 3
    • Views: 218
    04-03-15, 09:59 PM Go to last post
  15. new here with some questions

    Started by mark1982‎, 03-29-15 05:27 PM
    • Replies: 5
    • Views: 217
    04-01-15, 05:04 PM Go to last post
  16. Map Sensor

    Started by omston‎, 12-20-14 11:05 PM
    • Replies: 8
    • Views: 377
    03-28-15, 10:21 PM Go to last post
  17. Angry 1992 sts 4.9

    Started by CaddyKevi‎, 02-10-15 06:41 PM
    • Replies: 2
    • Views: 326
    03-10-15, 04:56 AM Go to last post
  18. The best engine to put in my Eldo Cadillac?

    Started by KINGUYOM‎, 08-28-11 05:58 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 8,140
    03-03-15, 10:46 AM Go to last post
  19. Motor mount change 1985 FWD Seville

    Started by omston‎, 03-01-15 09:16 AM
    • Replies: 1
    • Views: 191
    03-01-15, 11:56 AM Go to last post
  20. Life expectancy for 4.9 and 4T60E

    Started by 100‎, 08-13-06 10:10 PM
    4 Pages
    1 2 3 4
    • Replies: 56
    • Views: 10,296
    02-23-15, 05:25 PM Go to last post
  21. Tranny shifting points

    Started by DPD‎, 01-28-15 05:19 PM
    • Replies: 9
    • Views: 315
    DPD
    02-08-15, 09:49 AM Go to last post
  22. 1985 cadillac eldorado 4.1 engine

    Started by tim684‎, 02-02-15 03:46 PM
    • Replies: 3
    • Views: 442
    02-06-15, 10:06 AM Go to last post
  23. 4.1 PCV breather hose

    Started by ehall‎, 01-08-15 12:51 AM
    • Replies: 0
    • Views: 370
    01-08-15, 12:51 AM Go to last post
  24. distributor question

    Started by quins90lac‎, 10-06-11 02:41 AM
    • Replies: 12
    • Views: 1,685
    01-05-15, 05:01 PM Go to last post

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