HT4100 4.1, 4.5, 4.9 - Page 158
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Threads 3926 to 3950 of 3980
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: 13,482
    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: 90,424
    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: 41,601
    09-20-04, 01:50 AM Go to last post
  1. Running Rough After Tune Up???

    Started by GABDAM‎, 11-01-03 04:55 PM
    • Replies: 4
    • Views: 981
    11-03-03, 06:50 AM Go to last post
  2. Cadillac engine in Sand Rail

    Started by vlax‎, 11-02-03 05:24 PM
    • Replies: 0
    • Views: 1,678
    11-02-03, 05:24 PM Go to last post
  3. 4100 service now light

    Started by baldizzone‎, 10-03-03 01:36 PM
    • Replies: 10
    • Views: 3,099
    11-01-03, 03:00 PM Go to last post
  4. Exhaust/Tailpipe Question

    Started by Sandy‎, 10-29-03 06:06 PM
    • Replies: 5
    • Views: 1,069
    10-30-03, 11:48 AM Go to last post
  5. missing 4100 engine, 1988

    Started by allante88‎, 10-26-03 03:15 AM
    • Replies: 6
    • Views: 1,251
    10-29-03, 02:06 AM Go to last post
  6. Question no power /bad mileage

    Started by daddyscaddy‎, 10-27-03 07:29 AM
    • Replies: 11
    • Views: 1,089
    10-28-03, 08:21 PM Go to last post
  7. 4.5 fwd to chevy 350

    Started by daddyscaddy‎, 10-27-03 08:04 AM
    • Replies: 2
    • Views: 1,251
    10-27-03, 05:05 PM Go to last post
  8. Engine shutter on expressway

    Started by alero‎, 10-16-03 11:09 PM
    • Replies: 5
    • Views: 2,009
    10-23-03, 12:18 PM Go to last post
  9. Ran rough for one minute, then gone!??

    Started by Ralph‎, 10-08-03 01:15 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,477
    10-23-03, 12:32 AM Go to last post
  10. 4.9 aftermarket (possibly)

    Started by blkchrry92dvl‎, 08-20-03 10:54 AM
    • Replies: 12
    • Views: 1,934
    10-22-03, 11:49 AM Go to last post
  11. Deville runs rough under 11 gallons of gas

    Started by joecpwr‎, 10-20-03 01:48 PM
    • Replies: 5
    • Views: 1,033
    10-21-03, 10:56 PM Go to last post
  12. Disappearing coolant

    Started by blkchrry92dvl‎, 09-30-03 02:20 AM
    • Replies: 10
    • Views: 1,819
    10-20-03, 08:31 PM Go to last post
  13. 1988 Seville (oil-le3aks)

    Started by bassmangreg‎, 10-13-03 03:02 PM
    • Replies: 1
    • Views: 1,112
    10-18-03, 08:43 AM Go to last post
  14. Cool 86 Deville,swap 4.1 for 4.9.....

    Started by Deep Sleep‎, 10-13-03 12:20 AM
    • Replies: 3
    • Views: 1,518
    10-17-03, 10:09 PM Go to last post
  15. RPM at idle for 1987 cadillac eldorado

    Started by zerohour80‎, 10-04-03 03:32 PM
    • Replies: 3
    • Views: 1,310
    10-16-03, 02:51 AM Go to last post
  16. 1989 caddy surging

    Started by DANS898MPCADDY‎, 10-14-03 11:01 AM
    • Replies: 4
    • Views: 1,141
    10-15-03, 03:22 AM Go to last post
  17. What a stupid place for an oil filter!!

    Started by Ralph‎, 10-05-03 12:45 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 2,009
    10-15-03, 12:10 AM Go to last post
  18. Exclamation Interestingly Odd Problem!

    Started by 2dfx‎, 10-10-03 12:54 PM
    • Replies: 3
    • Views: 992
    10-11-03, 10:40 AM Go to last post
  19. performance exhaust for 4.9

    Started by blkchrry92dvl‎, 10-10-03 03:34 PM
    • Replies: 1
    • Views: 1,078
    10-10-03, 03:46 PM Go to last post
  20. BIG problem with the AIR system.....

    Started by DeVillish‎, 10-08-03 01:14 PM
    • Replies: 2
    • Views: 879
    10-09-03, 12:15 PM Go to last post
  21. Question 92 Eldo Problems

    Started by JJhomer83‎, 09-22-03 02:04 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,808
    10-06-03, 09:05 PM Go to last post
  22. best oil for high mileage 4.9

    Started by blkchrry92dvl‎, 10-04-03 05:11 PM
    • Replies: 4
    • Views: 3,845
    10-05-03, 12:17 AM Go to last post
  23. Heater core replaced, now AC line is freezing

    Started by screwu2man‎, 09-30-03 05:13 AM
    • Replies: 4
    • Views: 2,726
    10-04-03, 01:49 PM Go to last post
  24. Question Help!! 95 Deville Fuel Inj Test

    Started by ga_caddy‎, 09-25-03 12:21 AM
    • Replies: 1
    • Views: 996
    10-04-03, 12:03 AM Go to last post
  25. 1990 Allante won't start

    Started by bobmohr‎, 09-30-03 03:10 PM
    • Replies: 1
    • Views: 1,144
    10-02-03, 12:15 AM Go to last post

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