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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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PO442
Yesterday at 8:19 AM
Mooseman
Drivetrain
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Crimping new trans cooler lines
Yesterday at 6:24 PM
JayArr
Vortec 5.3L V8
New
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5.2K
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394
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0
Runs rough couple miles after starting
May 10, 2024
04envoyxlv8
LS2 6.0L V8
40
839
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40
Posts
839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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D
Trailblazer rear blower staying on
Dpack
May 19, 2013
Replies
2
Views
999
May 19, 2013
Dpack
D
High Flow Catalytic Converters?
CDJuda
May 17, 2013
Replies
4
Views
965
May 18, 2013
ConeKilrAutoX
P
Need Help with 2006 Trailblazer!!!
Peggy
May 15, 2013
Replies
35
Views
3K
May 19, 2013
Phantom
M
Saab 9-7x stuck in AWD
Marty
May 15, 2013
Replies
23
Views
11K
Mar 25, 2019
TequilaWarrior
T
Blackstone oil analysis
floridafitz
May 11, 2013
Replies
5
Views
1K
May 12, 2013
floridafitz
Vibration at idle after installing new Fan
Mathoran
May 11, 2013
Replies
10
Views
3K
May 16, 2013
Mathoran
Huge increase in MPG??
DenaliHD66
May 11, 2013
Replies
19
Views
2K
May 11, 2013
CaptainXL
C
Here I sit, all broken hearted...
willn513
May 8, 2013
Replies
5
Views
938
May 8, 2013
SEMIJim
S
S
Spark plug torque
slamfire
May 8, 2013
Replies
20
Views
25K
May 9, 2013
seanpooh
D
More Saab 9-7x Problems
daniel944turbo
May 7, 2013
Replies
2
Views
2K
May 14, 2013
MDBT
M
Placing my BG Cleaners order soon
DenaliHD66
May 6, 2013
Replies
0
Views
786
May 6, 2013
DenaliHD66
I
Transfer Case Seal Leak
IFISHNC
May 3, 2013
Replies
7
Views
2K
May 17, 2013
seanpooh
I
Hello and Help
IFISHNC
Apr 30, 2013
Replies
1
Views
746
Apr 30, 2013
Wooluf1952
What is the aft-most seal/gasket holding in ATF?
6716
Apr 30, 2013
Replies
3
Views
1K
May 1, 2013
mrphoenix80
M
J
Trans fluid change question
jfkmk
Apr 29, 2013
Replies
10
Views
1K
Apr 30, 2013
AbsoluteZero
A
D
Rough idle
duckyweed
Apr 29, 2013
Replies
6
Views
1K
May 4, 2013
duckyweed
D
B
Supercharged Trailblazer 4200 I6
bruhaba
Apr 23, 2013
2
3
4
5
6
Replies
233
Views
57K
Apr 4, 2017
Nexus1155
N
1
02 Bravada a/c compressor noise?
1978chevy4x4
Apr 21, 2013
Replies
4
Views
1K
Apr 22, 2013
meerschm
Rear axle clunk, both wheels clunk in and out
Toddster
Apr 21, 2013
Replies
9
Views
1K
Apr 22, 2013
Toddster
I
Which hub?
Instrumental
Apr 18, 2013
Replies
11
Views
1K
Apr 20, 2013
Instrumental
I
T
Coolant Leak . . . Water Pump?
TNEnvoyXL
Apr 16, 2013
Replies
5
Views
2K
Apr 17, 2013
AbsoluteZero
A
HAI or Back to stock?
Grimor
Apr 15, 2013
Replies
3
Views
826
Apr 16, 2013
HARDTRAILZ
T
Transmission question
timothy918
Apr 14, 2013
Replies
20
Views
2K
May 13, 2013
dfc739
Stabilitrak button does nothing
Grimor
Apr 12, 2013
Replies
12
Views
2K
Apr 13, 2013
Jkust
J
service 4WD light - new style
CodeWhite
Apr 11, 2013
Replies
15
Views
5K
May 12, 2013
TollKeeper
V
Having trouble to diagnose DTC P1484 Not the EV Fan, PCM???
vcarlos40
Apr 9, 2013
Replies
23
Views
8K
Aug 2, 2014
vcarlos40
V
L
Vibration while at idle...at stop light or when slowing down
Lacher
Apr 8, 2013
Replies
10
Views
2K
May 6, 2013
neelskit
0
Engine vibration after water pump & belt replacement
05Rainier
Apr 7, 2013
Replies
1
Views
1K
Apr 7, 2013
CaptainXL
C
Mix dex cool with green antifreeze?
Canary2323
Apr 5, 2013
Replies
19
Views
41K
Apr 7, 2013
gmcman
HPTuners trying to reset fuel trims
Shdwdrgn
Apr 5, 2013
Replies
8
Views
4K
Apr 5, 2013
Shdwdrgn
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