HT4100 4.1, 4.5, 4.9 - Page 27
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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 07:53 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 14,064
    12-15-13, 11:54 AM Go to last post
  2. Sticky Thread Sticky: The "4.9 liter turbocharger, stage 1" thread.

    Started by illumina‎, 03-12-05 01:05 AM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 238
    • Views: 94,577
    02-24-11, 02:56 PM Go to last post
  3. Sticky Thread Sticky: OBD I codes for 4.x Engines

    Started by DaveSmed‎, 09-20-04 02:50 AM
    • Replies: 0
    • Views: 43,604
    09-20-04, 02:50 AM Go to last post
  1. The Best Kind of Motor Oil For 87 Deville HT4100

    Started by JoJo_Brand_Star‎, 11-10-09 08:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 4,478
    11-14-09, 12:25 PM Go to last post
  2. P048 EGR code on 4.9L

    Started by primerib‎, 11-12-09 12:11 PM
    • Replies: 6
    • Views: 1,974
    HUF
    11-14-09, 12:11 PM Go to last post
  3. 4.9 issue...

    Started by soulman07‎, 11-05-09 11:57 PM
    • Replies: 6
    • Views: 956
    11-14-09, 12:06 AM Go to last post
  4. 4.9L head bolts 1993

    Started by tlbaker‎, 11-13-09 10:50 AM
    • Replies: 0
    • Views: 527
    11-13-09, 10:50 AM Go to last post
    • Replies: 5
    • Views: 5,045
    11-12-09, 08:28 PM Go to last post
  5. 84 deville 4.1 starting prob's help please

    Started by simon_84deville‎, 10-18-09 07:56 PM
    • Replies: 14
    • Views: 733
    11-12-09, 08:21 PM Go to last post
  6. 4.9 Power Steering Pulley Slipping

    Started by behind-bars‎, 11-09-09 10:43 PM
    • Replies: 11
    • Views: 1,453
    11-11-09, 09:35 PM Go to last post
  7. Gas mileage gone to hell

    Started by V-Eight‎, 11-10-09 01:27 AM
    • Replies: 7
    • Views: 556
    11-11-09, 03:10 AM Go to last post
  8. idle faster after change timming

    Started by markleeblue‎, 11-09-09 11:53 PM
    • Replies: 5
    • Views: 348
    11-10-09, 09:31 PM Go to last post
  9. Could bad motor mounts cause stumbling on light acceleration

    Started by mike93‎, 10-31-09 03:11 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 2,561
    11-10-09, 05:56 PM Go to last post
  10. 4.9 knock

    Started by rivrboat‎, 11-07-09 05:23 PM
    • Replies: 9
    • Views: 850
    11-09-09, 09:52 PM Go to last post
  11. Code 26 & 41 '91 4.9

    Started by STS_Seville_Hunter‎, 11-03-09 04:16 AM
    • Replies: 5
    • Views: 903
    11-06-09, 10:18 AM Go to last post
  12. A/C Compressor Belt Bypass - 89 Deville 4.5

    Started by ghutchin‎, 12-30-07 05:51 PM
    • Replies: 4
    • Views: 2,482
    11-04-09, 08:33 PM Go to last post
  13. where to buy mounting bracket for PS pump?

    Started by primerib‎, 11-03-09 06:16 PM
    • Replies: 5
    • Views: 615
    11-04-09, 10:08 AM Go to last post
  14. 1993 Sedan Deville Transmission Swap

    Started by truggenberg‎, 11-03-09 04:48 PM
    • Replies: 2
    • Views: 3,002
    11-03-09, 08:16 PM Go to last post
  15. rpm question

    Started by mikeman711‎, 11-03-09 10:03 AM
    • Replies: 2
    • Views: 326
    11-03-09, 04:52 PM Go to last post
  16. Question re: engine swap for 85 FW coupe RWD

    Started by SCU187‎, 11-03-09 03:02 AM
    • Replies: 1
    • Views: 464
    11-03-09, 12:02 PM Go to last post
  17. Motor is very clean in my 4.9

    Started by mike93‎, 10-28-09 07:16 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 972
    11-01-09, 03:26 AM Go to last post
  18. 84 eldo. antena

    Started by DNE‎, 10-26-09 03:10 PM
    • Replies: 5
    • Views: 334
    DNE
    10-29-09, 08:31 PM Go to last post
  19. Misfire at idle and sumble under acceleration 93 4.9

    Started by mike93‎, 10-21-09 07:59 PM
    4 Pages
    1 2 3 4
    • Replies: 50
    • Views: 4,360
    10-29-09, 12:01 PM Go to last post
  20. 4.5L engine runs rough

    Started by Romy‎, 05-22-08 08:52 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 4,591
    10-28-09, 12:14 AM Go to last post
  21. Cold Air Intake/Exhaust

    Started by SiK GambleR‎, 10-27-09 03:31 PM
    • Replies: 0
    • Views: 430
    10-27-09, 03:31 PM Go to last post
  22. I finally switched from dexicool

    Started by mike93‎, 10-23-09 10:19 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,218
    10-26-09, 03:57 PM Go to last post
  23. Symptoms of faulty distributor pick up coil

    Started by mike93‎, 10-24-09 07:55 PM
    • Replies: 10
    • Views: 23,183
    10-26-09, 09:34 AM Go to last post
  24. Preventive maintenance ('90 with 28k miles)

    Started by Notaguru‎, 10-11-09 01:59 AM
    • Replies: 13
    • Views: 644
    10-25-09, 03:20 PM Go to last post

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