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. Post Sticky Thread Sticky: High Mileage Northstar Thread: Who can beat me?

    Started by jam224, 10-07-03 12:08 PM
    32 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 32
    • Replies: 473
    • Views: 178,186
    03-09-19, 12:49 AM Go to last post
  2. Sticky Thread Sticky: Northstar Swaps - What years are interchangeable and the differences

    Started by 97EldoCoupe, 05-13-10 07:05 AM
    7 Pages
    1 2 3 4 5 6 7
    • Replies: 99
    • Views: 160,811
    02-26-19, 06:28 PM Go to last post
  3. Sticky Thread Sticky: Pre-2000 Ignition Control Module (ICM) - How It Works

    Started by Ranger, 01-23-10 11:21 PM
    • Replies: 1
    • Views: 19,161
    01-06-19, 10:12 AM Go to last post
  4. 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: 179
    • Views: 170,794
    Pht
    10-29-18, 07:05 PM Go to last post
  5. Poll Sticky Thread Sticky: Poll: Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know

    Started by Eldo1953, 10-28-07 08:21 PM
    35 Pages
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 35
    • Replies: 524
    • Views: 234,100
    10-23-18, 09:28 PM Go to last post
  6. Thumbs up Sticky Thread Sticky: Maintaining Northstar Engines *A must Read*

    Started by nerisauto1, 12-23-03 12:28 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 19,408
    01-11-18, 09:49 AM Go to last post
  7. Sticky Thread Sticky: Northstar FWD or RWD owner? You NEED to study this!

    Started by Submariner409, 08-09-16 04:00 PM
    • Replies: 0
    • Views: 2,002
    08-09-16, 04:00 PM Go to last post
  8. Sticky Thread Sticky: 1996 - 2003 Northstar head bolt torque specs

    Started by Submariner409, 06-23-16 06:59 PM
    • Replies: 0
    • Views: 2,544
    06-23-16, 06:59 PM Go to last post
  9. Sticky Thread Sticky: Northstar intake manifold swap question - 2000 redesign ?

    Started by 98eldo32v, 04-19-10 09:07 PM
    • Replies: 7
    • Views: 3,978
    06-27-15, 04:17 PM Go to last post
  10. Sticky Thread Sticky: Northstar Vehicle Production Numbers 1993-2009

    Started by slsgxpgtpman, 02-25-14 03:08 AM
    • Replies: 7
    • Views: 6,579
    04-11-14, 11:50 AM Go to last post
    • Replies: 14
    • Views: 33,778
    02-16-13, 11:45 AM Go to last post
  11. 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: 59,749
    05-06-12, 09:21 PM Go to last post
  12. Sticky Thread Sticky: Northstar Ring Cleaning Procedure and proper oil level - TSB

    Started by Ranger, 04-22-10 04:29 PM
    • Replies: 1
    • Views: 16,025
    03-12-12, 04:42 PM Go to last post
  13. Sticky Thread Sticky: Temperature Gauge Dampening

    Started by Ranger, 07-28-10 10:23 PM
    • Replies: 0
    • Views: 7,414
    07-28-10, 10:23 PM Go to last post
  14. Sticky Thread Sticky: Acronyms

    Started by Ranger, 07-20-10 11:21 AM
    • Replies: 0
    • Views: 6,729
    07-20-10, 11:21 AM Go to last post
  15. Sticky Thread Sticky: How To Pull Codes (DTC's)

    Started by mcowden, 10-02-05 12:57 PM
    • Replies: 0
    • Views: 52,526
    10-02-05, 12:57 PM Go to last post
  1. Cam Replacement in Car

    Started by dalamak, 02-20-09 03:45 PM
    • Replies: 9
    • Views: 1,976
    06-25-19, 06:20 AM Go to last post
  2. Oil cooler line off

    Started by paul310, 06-21-19 08:03 AM
    • Replies: 3
    • Views: 47
    06-21-19, 11:10 AM Go to last post
    • Replies: 3
    • Views: 63
    06-20-19, 10:57 AM Go to last post
  3. Stubborn Water Pump Removal

    Started by jsw5620, 01-01-09 05:40 PM
    • Replies: 10
    • Views: 4,127
    06-15-19, 12:56 PM Go to last post
  4. Engine tap

    Started by 98Geldog, 02-25-15 05:25 PM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 2,995
    06-12-19, 10:29 AM Go to last post
  5. Slight miss at idle and cruise. Aurora Northstar 4.0 - 1998

    Started by RCA1186, 05-29-19 10:41 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 230
    06-10-19, 08:34 AM Go to last post
    • Replies: 2
    • Views: 82
    06-05-19, 04:46 PM Go to last post
    • Replies: 8
    • Views: 142
    06-02-19, 10:20 AM Go to last post
    • Replies: 11
    • Views: 187
    05-28-19, 11:45 AM Go to last post
  6. P0420 on 2001 STS

    Started by ocgltd, 05-18-19 09:42 PM
    • Replies: 5
    • Views: 89
    05-22-19, 09:56 AM Go to last post
  7. WOT procedure without tachometer?

    Started by mikeshinobi, 04-13-19 08:01 PM
    • Replies: 12
    • Views: 430
    05-21-19, 02:38 PM Go to last post
  8. 07 DTS vs 01 STS performance

    Started by postman2000, 05-13-19 10:12 AM
    • Replies: 1
    • Views: 101
    05-13-19, 05:11 PM Go to last post
  9. 07 DTS Mounts repalcement

    Started by postman2000, 01-30-19 01:19 PM
    • Replies: 3
    • Views: 174
    05-13-19, 09:57 AM Go to last post
  10. Low oil pressure at idle unresolvable

    Started by paul310, 04-14-19 01:42 PM
    • Replies: 4
    • Views: 153
    04-17-19, 06:41 PM Go to last post
  11. 2004 Deville Head Bolts

    Started by CadillacD04, 04-14-19 04:42 PM
    • Replies: 2
    • Views: 107
    04-14-19, 07:57 PM Go to last post
  12. Tighten harmonic balancer

    Started by paul310, 04-11-19 03:16 PM
    • Replies: 3
    • Views: 81
    04-12-19, 12:47 AM Go to last post
  13. Olds LX5 Shortstar head gasket issues?

    Started by LsGsSTS, 03-25-19 03:31 PM
    • Replies: 2
    • Views: 142
    03-25-19, 08:42 PM Go to last post
  14. Secondary "marks" of repaired heads...

    Started by misu, 03-19-19 10:54 AM
    • Replies: 3
    • Views: 146
    03-19-19, 11:55 AM Go to last post
  15. Northstar rebuild - essentials

    Started by DrGawn, 02-03-19 01:46 AM
    • Replies: 12
    • Views: 391
    03-09-19, 12:48 AM Go to last post
  16. 2005 Deville Engine Noise Grey Oil

    Started by Ginricky, 03-06-19 10:16 AM
    • Replies: 7
    • Views: 164
    03-06-19, 05:44 PM Go to last post
    • Replies: 17
    • Views: 1,426
    02-27-19, 01:04 PM Go to last post
  17. WOT done, water pumps, engine cleaning, detailing

    Started by ELDORADO2K, 12-29-18 12:24 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 756
    01-10-19, 11:04 AM Go to last post
  18. Cylinder diagram for 2009 STS 4.6 L motor

    Started by tmterry1, 01-09-19 02:30 PM
    • Replies: 2
    • Views: 131
    01-09-19, 05:14 PM Go to last post
  19. Why are the ignition coils different colors?

    Started by Avaya, 12-17-18 10:38 PM
    • Replies: 3
    • Views: 277
    12-18-18, 10:55 AM Go to last post
  20. WOT - is this the ONLY way to remove carbon buildup?

    Started by detroit99sts, 12-13-05 11:54 AM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 19,316
    12-16-18, 02:57 PM Go to last post

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