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Northstar Engines and System Technical Discussion
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J
Sticky
High Mileage Northstar Thread: Who can beat me?
jam224
Oct 7, 2003
24
25
26
510
244K
4 d ago
by
L3HMAN
E
Sticky
Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
Eldo1953
Oct 29, 2007
Poll
26
27
28
546
285K
23 d ago
by
ihc70
Sticky
Everything You ever Wanted To Know About Cooling System Sealant Tabs
Ranger
May 5, 2008
Locked
19
73K
May 15, 2022
by
Submariner409
Sticky
Pre-2000 Northstar destruction video
Submariner409
Jan 8, 2022
2
2K
Mar 24, 2022
by
amana
9
Sticky
Northstar Swaps - What years are interchangeable and the differences
97EldoCoupe
May 13, 2010
4
5
6
102
210K
Mar 6, 2021
by
Harry Yarnell
Sticky
Northstar Engine Technical Archive - engine development and care info
Submariner409
Jul 23, 2019
Locked
0
5K
Jul 23, 2019
by
Submariner409
Sticky
Pre-2000 Ignition Control Module (ICM) - How It Works
Ranger
Jan 24, 2010
Locked
1
25K
Jan 6, 2019
by
Submariner409
Sticky
Root Cause of Head gasket Failure and a Fix?
AJxtcman
Mar 5, 2008
7
8
9
179
196K
Oct 29, 2018
by
Pht
N
Sticky
Maintaining Northstar Engines *A must Read*
nerisauto1
Dec 23, 2003
Locked
17
31K
Jan 11, 2018
by
Submariner409
Sticky
1996 - 2003 Northstar head bolt torque specs
Submariner409
Jun 23, 2016
Locked
0
8K
Jun 23, 2016
by
Submariner409
9
Sticky
Northstar intake manifold swap question - 2000 redesign ?
98eldo32v
Apr 20, 2010
Locked
7
8K
Jun 27, 2015
by
Submariner409
S
Sticky
Northstar Vehicle Production Numbers 1993-2009
slsgxpgtpman
Feb 25, 2014
Locked
7
14K
Apr 11, 2014
by
04GrandAmGT
Sticky
Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
maeng9981
Jun 7, 2011
Locked
14
46K
Feb 16, 2013
by
CadillacLuke24
Sticky
Northstar Ring Cleaning Procedure and proper oil level - TSB
Ranger
Apr 22, 2010
Locked
1
24K
Mar 12, 2012
by
Submariner409
Sticky
Temperature Gauge Dampening
Ranger
Jul 29, 2010
Locked
0
10K
Jul 29, 2010
by
Ranger
Sticky
Acronyms
Ranger
Jul 20, 2010
Locked
0
10K
Jul 20, 2010
by
Ranger
M
Sticky
How To Pull Codes (DTC's)
mcowden
Oct 2, 2005
Locked
0
58K
Oct 2, 2005
by
mcowden
Northstar engine tear down video on YT
ELDORADO2K
3 d ago
16
197
39 m ago
by
PFMDTS
What should I have the dealership look for?
L3HMAN
3 d ago
2
93
2 d ago
by
L3HMAN
Oil leakage
Robroy
1 mo ago
6
329
2 d ago
by
Robroy
N
How many miles you got?
ngrty
3 mo ago
Redirect
–
–
N/A
Found a good Northstar mechanic in the Northeast
jammgm
19 d ago
0
162
19 d ago
by
jammgm
J
2003 STS engine seized
jbsts
Jan 27, 2014
Locked
7
2K
29 d ago
by
Submariner409
D
2001 Eldorado P0401
ducky81
1 mo ago
3
265
1 mo ago
by
Submariner409
R
Bonneville GXP Valve Cover removal - rear
rick walters
1 mo ago
1
188
1 mo ago
by
Submariner409
M
Oil pump seal/oring
malibuandryan
Aug 28, 2011
13
8K
2 mo ago
by
Submariner409
Headers for 2001 Deville?
Thomas.Feathers
2 mo ago
2
251
2 mo ago
by
Submariner409
D
Losing my mind over this misfire
DadillacMan
2 mo ago
17
501
2 mo ago
by
Submariner409
Northstar in a 1941 Graham Hollywood
rayrat60
2 mo ago
1
292
2 mo ago
by
Submariner409
M
ECM Flash verification
mtr18103
2 mo ago
1
249
2 mo ago
by
mtr18103
C
Oil level sensor question
cptnmrgn667
2 mo ago
7
364
2 mo ago
by
cptnmrgn667
C
icm (ignition control module) problem keeps going out
caddy1994
Oct 17, 2014
17
10K
2 mo ago
by
Jim131
Downstream O2 sensor 99 Deville
99 deville
3 mo ago
2
302
3 mo ago
by
Submariner409
99 Deville or 4.6 L Northstar fastener sizes?
99 deville
3 mo ago
0
277
3 mo ago
by
99 deville
C
Camshaft position sensor
Cadillac Worm Deville
3 mo ago
1
329
3 mo ago
by
Submariner409
B
Need some help with Northstar swap project.
Brandon8696
Oct 9, 2019
10
3K
3 mo ago
by
Eldoberzum
A
Broken drive pulley bolt
Andrew01
3 mo ago
2
3
53
2K
3 mo ago
by
Submariner409
Head gasket
raymondbear8
3 mo ago
0
409
3 mo ago
by
raymondbear8
What brand of lifter buckets to get? Northstar rebuild.
Koreenium
7 mo ago
2
3
40
2K
4 mo ago
by
Koreenium
4
4T80E Fluid Change; Slipping
4point0aurora
4 mo ago
1
593
4 mo ago
by
rodnok01
4
Very high oil pressure after front motor mount change
4point0aurora
5 mo ago
2
25
963
4 mo ago
by
4point0aurora
Northstar Performance
mahaska
Jun 3, 2022
7
2K
5 mo ago
by
postman2000
B
Huge thanks to Joe at Midwest Cadillac Repair
Bubba68CS
Apr 1, 2012
2
33
16K
5 mo ago
by
Submariner409
D
1993 Northstar multiple oil leaks
Dennisoates
5 mo ago
2
539
5 mo ago
by
Dennisoates
9
NorthStar Supercharger!!!
96-deville-man
Feb 26, 2006
2
3
48
14K
5 mo ago
by
Submariner409
S
Northstar old problems fixed?
sixbangr
Oct 30, 2010
2
29
58K
5 mo ago
by
fipulo
2007 DTS cold air intake
CDS240
6 mo ago
1
599
6 mo ago
by
Submariner409
9
Starter Replacement - It's not as bad as everyone thinks!
97EldoCoupe
May 8, 2010
2
3
48
117K
6 mo ago
by
Fine09DTS
'94 deVille Concours running issues
Jhulb
6 mo ago
4
709
6 mo ago
by
Submariner409
P
Performance upgrade for northstars (DIY attempt)
ParkerT98
May 19, 2020
17
4K
6 mo ago
by
Hernandezville
S
2002 Deville; Installing Vin Y Engine Into Vin 9 Car
sleek
Aug 22, 2011
7
6K
7 mo ago
by
Caddy no laccn
Decipher acronyms?
ElDawgg 2G
Sep 24, 2004
1
2K
7 mo ago
by
Bjankins1
1
2
3
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Northstar Engines and System Technical Discussion
Discussions relating to the Northstar System and various drivetrain mechanical/electrical/sensor problems.
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