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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
511
256K
Jan 12, 2024
by
jmlcaton
E
Sticky
Northstar Headgasket/Cracked Block/Bolt Failure? Please let us know
Eldo1953
Oct 29, 2007
Poll
26
27
28
546
294K
May 15, 2023
by
ihc70
Sticky
Everything You ever Wanted To Know About Cooling System Sealant Tabs
Ranger
May 5, 2008
Locked
19
76K
May 15, 2022
by
Submariner409
Sticky
Pre-2000 Northstar destruction video
Submariner409
Jan 8, 2022
2
3K
Mar 24, 2022
by
amana
9
Sticky
Northstar Swaps - What years are interchangeable and the differences
97EldoCoupe
May 13, 2010
4
5
6
102
216K
Mar 6, 2021
by
Harry Yarnell
Sticky
Northstar Engine Technical Archive - engine development and care info
Submariner409
Jul 23, 2019
Locked
0
6K
Jul 23, 2019
by
Submariner409
Sticky
Pre-2000 Ignition Control Module (ICM) - How It Works
Ranger
Jan 24, 2010
Locked
1
26K
Jan 6, 2019
by
Submariner409
Sticky
Root Cause of Head gasket Failure and a Fix?
AJxtcman
Mar 5, 2008
7
8
9
179
199K
Oct 29, 2018
by
Pht
N
Sticky
Maintaining Northstar Engines *A must Read*
nerisauto1
Dec 23, 2003
Locked
17
33K
Jan 11, 2018
by
Submariner409
Sticky
1996 - 2003 Northstar head bolt torque specs
Submariner409
Jun 23, 2016
Locked
0
9K
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
15K
Apr 11, 2014
by
04GrandAmGT
Sticky
Engine Coolant Temperature Gauges / Cooling Fans Operation Explained
maeng9981
Jun 7, 2011
Locked
14
48K
Feb 16, 2013
by
CadillacLuke24
Sticky
Northstar Ring Cleaning Procedure and proper oil level - TSB
Ranger
Apr 22, 2010
Locked
1
25K
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
60K
Oct 2, 2005
by
mcowden
Northstar Performance PCM
timothy.a.ettinger
Mar 7, 2024
11
246
3d ago
by
Submariner409
Z
Just bought a 2002 SLS
zach_I_seville02
Feb 22, 2024
20
691
4d ago
by
Submariner409
T
1999 Deville P0420 issue
The_Nephilim
Feb 24, 2024
20
321
5d ago
by
The_Nephilim
I
4T80E Transmission will not engage (in any gear front or back)
IXSLR8
May 21, 2016
7
6K
Feb 27, 2024
by
Submariner409
Z
2002 Seville Northstar Performance ECU Tune
zach_I_seville02
Feb 22, 2024
Redirect
–
–
N/A
Z
E3 Spark Plugs
zach_I_seville02
Feb 22, 2024
Redirect
–
–
N/A
Z
Northstar Performance
zach_I_seville02
Feb 22, 2024
Redirect
–
–
N/A
C
icm (ignition control module) problem keeps going out
caddy1994
Oct 17, 2014
20
11K
Feb 19, 2024
by
cadillacs.classics
M
2002 Deville no crank no start
Mitchelldonald7979
Jan 29, 2024
2
107
Feb 15, 2024
by
Mitchelldonald7979
M
Putting Northstar on an Engine Stand
Mike7075
Apr 28, 2006
12
5K
Feb 11, 2024
by
eldocaddy
T
2008 SRX4 Northstar performance modifications?
timothydonnelly28
Feb 4, 2024
4
208
Feb 4, 2024
by
nstar
C
Replacing front crank seal on 06 DTS with a Northstar
cars10000
Jan 28, 2024
0
85
Jan 28, 2024
by
cars10000
C
NorthStar V8 rough idle/misfire (newer northstar)
ConnerJochum
Jan 26, 2024
4
270
Jan 27, 2024
by
ConnerJochum
V
99 Deville water pump cover bolt size
Vancouversonny
Jan 24, 2024
1
80
Jan 24, 2024
by
Tripwire
C
Northstar ?s
caddywhizkid
Dec 16, 2004
2
27
3K
Jan 21, 2024
by
Submariner409
4.6 Northstar knocking sound on cold start?
99“the beast”deville
Jan 16, 2024
1
228
Jan 17, 2024
by
99“the beast”deville
9
Northstar Tuning, Unlocked. Finally. And Cams.
97EldoCoupe
Aug 18, 2022
2
1K
Jan 10, 2024
by
98deville!
M
Northstar Performance: another bad experience
Moondoggie
Oct 11, 2023
42
4K
Jan 6, 2024
by
Submariner409
N
Water crossover re-assembly
nitebyfly
Oct 16, 2008
16
9K
Dec 30, 2023
by
adriansimple
R
Northstar WOT cleaning
Roman Vesperman
Dec 28, 2023
4
268
Dec 29, 2023
by
Submariner409
1999 ETC Northstar Revival
grannycaddy1999
Nov 4, 2023
8
603
Dec 23, 2023
by
grannycaddy1999
Head stud repair
Mr76SeVillian
Dec 15, 2023
9
336
Dec 18, 2023
by
Tripwire
1997 DeVille spark plug wire route
aaronlamar7777
Dec 17, 2023
3
188
Dec 17, 2023
by
Submariner409
M
Northstar fastener question and project update
Moondoggie
Dec 12, 2023
2
286
Dec 15, 2023
by
ElectricAvenue
J
2001 Seville possible head gasket problems
James Szabo
Dec 9, 2023
1
174
Dec 9, 2023
by
Submariner409
D
Changing spark plugs on a Northstar
dstarr
Aug 5, 2007
2
47
86K
Nov 29, 2023
by
Submariner409
Ignition control module for 1999 STS
chance.62.willie
Nov 18, 2023
5
398
Nov 25, 2023
by
chance.62.willie
Severe "bucking" of the 4.6 NorthStar
peterjanninos
Nov 22, 2023
5
431
Nov 23, 2023
by
ELDORADO2K
M
ECM Flash verification
mtr18103
Apr 10, 2023
2
770
Nov 22, 2023
by
Qrunchi-ats
2008 DTS - can't get harmonic balancer off
mattdisme
Jan 23, 2020
9
3K
Nov 20, 2023
by
AntonioVillani
B
Cannot remove spark plugs
bwgerho
Mar 6, 2011
18
11K
Nov 19, 2023
by
rodnok01
M
top speed
mikeman711
Jun 13, 2007
28
13K
Nov 17, 2023
by
Submariner409
N
Rough Idle and Stuttering Acceleration
nytwodees
Feb 2, 2006
Locked
8
9K
Nov 16, 2023
by
Submariner409
B
Swapping 1994 SLS intake for a 1995 intake
Bgcloud
Nov 12, 2023
1
195
Nov 12, 2023
by
Submariner409
S
Northstar 4.6 in a 2008 Cheverlot Silverado 1500 LS?
Southern.G.
Nov 3, 2015
15
4K
Nov 6, 2023
by
Submariner409
1
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Northstar Engines and System Technical Discussion
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Discussions relating to the Northstar System and various drivetrain mechanical/electrical/sensor problems.
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