Northstar Engines and System Technical Discussion
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Northstar Engines and System Technical Discussion in Cadillac forums : Cadillac Owners Forum, Discussions relating to the Northstar System and various drivetrain mechanical/electrical/sensor problems.
  1. Poll Sticky Thread Sticky: Poll: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Started by Eldo1953‎, 10-28-07 08:21 PM
    33 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 33
    • Replies: 486
    • Views: 138,958
    06-06-14, 02:15 PM Go to last post
  2. Sticky Thread Sticky: Root Cause of Head gasket Failure and a Fix?

    Started by AJxtcman‎, 03-05-08 06:50 AM
    12 Pages
    1 2 3 4 5 6 7 8 9 10 11 12
    • Replies: 178
    • Views: 116,879
    04-21-14, 10:23 AM Go to last post
  3. Sticky Thread Sticky: Northstar Swaps - What years are interchangeable and the differences

    Started by 97EldoCoupe‎, 05-13-10 07:05 AM
    5 Pages
    1 2 3 4 5
    • Replies: 72
    • Views: 48,827
    02-12-14, 05:28 PM Go to last post
  4. Sticky Thread Sticky: How To Pull Codes (DTC's)

    Started by mcowden‎, 10-02-05 12:57 PM
    • Replies: 0
    • Views: 44,718
    10-02-05, 12:57 PM Go to last post
  5. Sticky Thread Sticky: Everything You ever Wanted To Know About Cooling System Sealant Tabs

    Started by Ranger‎, 05-05-08 05:35 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 33,239
    05-06-12, 09:21 PM Go to last post
    • Replies: 14
    • Views: 14,784
    02-16-13, 11:45 AM Go to last post
  6. Sticky Thread Sticky: Pre-2000 Ignition Control Module (ICM) - How It Works

    Started by Ranger‎, 01-23-10 11:21 PM
    • Replies: 0
    • Views: 12,529
    01-23-10, 11:21 PM Go to last post
  7. Sticky Thread Sticky: Northstar Ring Cleaning Procedure

    Started by Ranger‎, 04-22-10 04:29 PM
    • Replies: 1
    • Views: 8,851
    03-12-12, 04:42 PM Go to last post
  8. Sticky Thread Sticky: Temperature Gauge Dampening

    Started by Ranger‎, 07-28-10 10:23 PM
    • Replies: 0
    • Views: 5,073
    07-28-10, 10:23 PM Go to last post
  9. Sticky Thread Sticky: Acronyms

    Started by Ranger‎, 07-20-10 11:21 AM
    • Replies: 0
    • Views: 5,025
    07-20-10, 11:21 AM Go to last post
  10. Sticky Thread Sticky: Northstar Production Numbers 1993-2009

    Started by slsgxpgtpman‎, 02-25-14 03:08 AM
    • Replies: 7
    • Views: 1,896
    04-11-14, 11:50 AM Go to last post
  1. Torque Converter Clutch (P 0741 TCC stuck off)

    Started by PhillyXcess‎, 03-30-07 10:38 PM
    20 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    • Replies: 294
    • Views: 152,872
    05-25-14, 05:07 PM Go to last post
  2. Thumbs up Sucessful Northstar head gasket repair in a bottle

    Started by twinbopilot‎, 07-16-09 12:03 PM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 239
    • Views: 110,113
    04-08-14, 11:45 AM Go to last post
  3. Post High Mileage Northstar Thread: Who can beat me?

    Started by jam224‎, 10-07-03 12:08 PM
    28 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 28
    • Replies: 416
    • Views: 105,298
    06-18-14, 07:13 PM Go to last post
  4. PCM P 0410 Secondary Air Injection System Malfunction

    Started by codewize‎, 12-16-06 06:43 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 88
    • Views: 81,659
    01-04-14, 10:09 AM Go to last post
  5. Northstar Oil Usage

    Started by Buddy94‎, 02-15-04 11:43 PM
    6 Pages
    1 2 3 4 5 6
    • Replies: 80
    • Views: 72,492
    01-28-12, 10:22 PM Go to last post
  6. DIY Northstar Head Gasket / Crankcase Leak Repair

    Started by bill buttermore‎, 04-16-12 01:19 PM
    36 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 36
    • Replies: 529
    • Views: 65,756
    11-21-13, 04:10 PM Go to last post
  7. Northstar Maintenance -Tune Up

    Started by qecummings‎, 07-08-04 10:19 AM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 57,576
    09-14-12, 10:31 AM Go to last post
  8. Pics of coolant test of exhaust gas/head gasket leaking?

    Started by mnalep‎, 07-14-10 10:05 PM
    13 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13
    • Replies: 191
    • Views: 52,863
    10-25-10, 10:38 AM Go to last post
    • Replies: 527
    • Views: 48,962
    02-18-12, 08:32 PM Go to last post
  9. 97 Etc N* Head Gasket Project

    Started by tateos‎, 12-18-07 10:12 PM
    16 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    • Replies: 236
    • Views: 43,351
    10-17-13, 08:49 PM Go to last post
  10. Question Important to PUSH the Northstar once a week?

    Started by BeelzeBob‎, 01-28-03 10:35 AM
    5 Pages
    1 2 3 4 5
    • Replies: 65
    • Views: 39,930
    01-01-07, 06:31 PM Go to last post
  11. The Northstar Oil Issue

    Started by Geno Castellano‎, 01-02-03 11:04 AM
    8 Pages
    1 2 3 4 5 6 7 8
    • Replies: 111
    • Views: 38,588
    07-07-05, 07:30 PM Go to last post
  12. Coolant Supplement Tablet question

    Started by Realtor1‎, 02-05-04 12:18 PM
    • Replies: 6
    • Views: 37,191
    12-24-04, 09:42 AM Go to last post
  13. North star motor swap

    Started by epanightmare‎, 10-24-03 07:44 PM
    5 Pages
    1 2 3 4 5
    • Replies: 62
    • Views: 36,984
    05-31-05, 10:29 PM Go to last post
  14. N* Head Gasket repair part I/ Remove engine

    Started by zonie77‎, 11-22-03 01:14 AM
    4 Pages
    1 2 3 4
    • Replies: 52
    • Views: 36,392
    01-11-12, 06:36 PM Go to last post
  15. Engine Coolant Change out

    Started by STS 310‎, 05-12-04 06:09 PM
    • Replies: 7
    • Views: 35,885
    01-23-06, 09:37 PM Go to last post
  16. Smile Changing spark plugs on a Northstar

    Started by dstarr‎, 08-04-07 08:34 PM
    4 Pages
    1 2 3 4
    • Replies: 45
    • Views: 34,870
    05-07-13, 11:25 AM Go to last post
  17. Information on P0741 & P1860. 1998+

    Started by AJxtcman‎, 09-15-08 04:41 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 34,778
    06-02-14, 10:12 AM Go to last post
  18. Bar's Leaks "Head Gasket Repair"

    Started by blunted‎, 02-13-05 06:04 AM
    4 Pages
    1 2 3 4
    • Replies: 57
    • Views: 34,551
    09-05-13, 12:42 PM Go to last post
  19. Coolant Temp

    Started by 97d'elegance‎, 04-12-04 08:48 PM
    4 Pages
    1 2 3 4
    • Replies: 52
    • Views: 34,339
    11-24-11, 10:38 AM Go to last post
  20. 99 STS Project

    Started by JoeTahoe‎, 01-16-11 11:32 PM
    23 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 23
    • Replies: 333
    • Views: 34,062
    04-12-14, 07:35 PM Go to last post
  21. Northstar Repair without inserts

    Started by 97EldoCoupe‎, 10-30-08 05:54 AM
    13 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13
    • Replies: 185
    • Views: 33,513
    01-26-12, 10:47 AM Go to last post
  22. P0420 Code

    Started by STSMAN‎, 12-30-05 06:02 PM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 95
    • Views: 32,690
    08-31-12, 02:44 PM Go to last post
  23. Angry Damned Motor Mounts

    Started by Ranger‎, 11-23-08 12:49 PM
    19 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
    • Replies: 276
    • Views: 32,027
    07-27-14, 10:03 AM Go to last post
  24. Built Buick Lucerne (400HP Northstar Engine)

    Started by Dr. Design‎, 01-14-09 10:13 PM
    23 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 23
    • Replies: 344
    • Views: 31,291
    02-18-09, 10:21 PM Go to last post

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