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: 14,603
    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: 97,847
    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: 45,260
    09-20-04, 01:50 AM Go to last post
  1. new here with some questions

    Started by mark1982‎, 03-29-15 05:27 PM
    • Replies: 4
    • Views: 112
    03-31-15, 03:43 AM Go to last post
  2. 4.9 cold start knock what is it??

    Started by shaagger‎, 03-23-15 12:48 AM
    • Replies: 4
    • Views: 154
    03-31-15, 12:53 AM Go to last post
  3. Map Sensor

    Started by omston‎, 12-20-14 11:05 PM
    • Replies: 8
    • Views: 298
    03-28-15, 10:21 PM Go to last post
  4. Angry 1992 sts 4.9

    Started by CaddyKevi‎, 02-10-15 06:41 PM
    • Replies: 2
    • Views: 239
    03-10-15, 04:56 AM Go to last post
  5. 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: 7,642
    03-03-15, 10:46 AM Go to last post
  6. Motor mount change 1985 FWD Seville

    Started by omston‎, 03-01-15 09:16 AM
    • Replies: 1
    • Views: 136
    03-01-15, 11:56 AM Go to last post
  7. 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: 9,892
    02-23-15, 05:25 PM Go to last post
  8. 92 Allante 4.5 returning E041 Cam sensor

    Started by ht4100‎, 02-02-15 11:45 PM
    • Replies: 3
    • Views: 219
    02-21-15, 10:40 PM Go to last post
  9. Tranny shifting points

    Started by DPD‎, 01-28-15 05:19 PM
    • Replies: 9
    • Views: 271
    DPD
    02-08-15, 09:49 AM Go to last post
  10. 440-T4 > 4T6X-E conversion

    Started by ehall‎, 12-19-14 12:28 PM
    • Replies: 14
    • Views: 499
    02-08-15, 09:23 AM Go to last post
  11. 1985 cadillac eldorado 4.1 engine

    Started by tim684‎, 02-02-15 03:46 PM
    • Replies: 3
    • Views: 328
    02-06-15, 10:06 AM Go to last post
  12. 4.1 PCV breather hose

    Started by ehall‎, 01-08-15 12:51 AM
    • Replies: 0
    • Views: 275
    01-08-15, 12:51 AM Go to last post
  13. distributor question

    Started by quins90lac‎, 10-06-11 02:41 AM
    • Replies: 12
    • Views: 1,550
    01-05-15, 05:01 PM Go to last post
    • Replies: 3
    • Views: 394
    01-03-15, 09:18 PM Go to last post
  14. ROTELLA T 15W-40 tell me i did the right thing

    Started by domer94‎, 12-22-14 04:58 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 698
    12-24-14, 03:13 PM Go to last post
  15. oil pump qustions - 85 ht4100 eldo

    Started by domer94‎, 12-08-14 10:34 AM
    • Replies: 12
    • Views: 376
    12-24-14, 02:10 PM Go to last post
  16. 1984 Seville 4.1 - need head bolt set

    Started by omston‎, 11-08-14 06:32 PM
    • Replies: 2
    • Views: 438
    12-23-14, 12:59 AM Go to last post
  17. fuel meter body gasket 85 eldo 4.11

    Started by domer94‎, 12-21-14 07:30 PM
    • Replies: 2
    • Views: 197
    12-21-14, 09:54 PM Go to last post
    • Replies: 0
    • Views: 385
    12-21-14, 12:34 AM Go to last post
  18. 4.9 oil pump in 4.5

    Started by drewsdeville‎, 09-28-10 07:21 PM
    • Replies: 7
    • Views: 1,341
    12-20-14, 11:42 PM Go to last post
  19. Compatible oil pan for 92 Deville

    Started by thebrov‎, 12-19-14 01:24 PM
    • Replies: 2
    • Views: 222
    12-20-14, 10:48 AM Go to last post
  20. question about diagnostics mode - 85 eldo

    Started by domer94‎, 12-16-14 10:11 PM
    • Replies: 1
    • Views: 220
    12-17-14, 10:35 AM Go to last post
  21. timing gear. 85 eldo

    Started by domer94‎, 12-08-14 08:56 PM
    • Replies: 12
    • Views: 443
    12-12-14, 05:15 PM Go to last post
  22. EGR Valve. 'P' or 'N' type ?

    Started by Mr.BayArea‎, 11-13-14 12:51 PM
    • Replies: 4
    • Views: 341
    12-08-14, 08:04 AM Go to last post
  23. full tune - up / now running a bit wierd 85 eldo

    Started by domer94‎, 12-05-14 05:56 PM
    • Replies: 10
    • Views: 354
    12-07-14, 05:15 PM Go to last post

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