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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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OEM Thermostat Temperature
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Drivetrain
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NEED HELP
Tranny slipping and surging. 4WD switch flashing
Apr 4, 2024
filthyfingers
Vortec 5.3L V8
392
5.2K
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392
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5.2K
Catalytic converter replacement options EPA vs carb
Feb 18, 2024
Mike534x
LS2 6.0L V8
40
839
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H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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High Flow Catalytic Converters?
CDJuda
May 17, 2013
Replies
4
Views
958
May 18, 2013
ConeKilrAutoX
I
Transfer Case Seal Leak
IFISHNC
May 3, 2013
Replies
7
Views
2K
May 17, 2013
seanpooh
Vibration at idle after installing new Fan
Mathoran
May 11, 2013
Replies
10
Views
3K
May 16, 2013
Mathoran
D
More Saab 9-7x Problems
daniel944turbo
May 7, 2013
Replies
2
Views
2K
May 14, 2013
MDBT
M
T
Transmission question
timothy918
Apr 14, 2013
Replies
20
Views
2K
May 13, 2013
dfc739
Blackstone oil analysis
floridafitz
May 11, 2013
Replies
5
Views
1K
May 12, 2013
floridafitz
service 4WD light - new style
CodeWhite
Apr 11, 2013
Replies
15
Views
5K
May 12, 2013
TollKeeper
Huge increase in MPG??
DenaliHD66
May 11, 2013
Replies
19
Views
2K
May 11, 2013
CaptainXL
C
Trans flare 2-3 shift vid
gmcman
Feb 18, 2012
Replies
1
Views
1K
May 10, 2013
Old Salt
O
S
Spark plug torque
slamfire
May 8, 2013
Replies
20
Views
25K
May 9, 2013
seanpooh
Here I sit, all broken hearted...
willn513
May 8, 2013
Replies
5
Views
927
May 8, 2013
SEMIJim
S
Placing my BG Cleaners order soon
DenaliHD66
May 6, 2013
Replies
0
Views
777
May 6, 2013
DenaliHD66
L
Vibration while at idle...at stop light or when slowing down
Lacher
Apr 8, 2013
Replies
10
Views
2K
May 6, 2013
neelskit
D
Rough idle
duckyweed
Apr 29, 2013
Replies
6
Views
1K
May 4, 2013
duckyweed
D
D
P0014 Code
D_Weave22
Mar 29, 2013
Replies
15
Views
4K
May 3, 2013
Mooseman
C
2006 Trailblazer ticking noise now wont run
CASHKJ
Feb 4, 2013
2
Replies
41
Views
6K
May 2, 2013
Sparky
What is the aft-most seal/gasket holding in ATF?
6716
Apr 30, 2013
Replies
3
Views
1K
May 1, 2013
mrphoenix80
M
I
Hello and Help
IFISHNC
Apr 30, 2013
Replies
1
Views
737
Apr 30, 2013
Wooluf1952
J
Trans fluid change question
jfkmk
Apr 29, 2013
Replies
10
Views
1K
Apr 30, 2013
AbsoluteZero
A
Overdrive Conditions
SBUBandit
Feb 26, 2013
Replies
17
Views
2K
Apr 28, 2013
SBUBandit
K
Which LSD?
kmanz1
Mar 10, 2013
Replies
15
Views
2K
Apr 23, 2013
Metsämies
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
821
Apr 16, 2013
HARDTRAILZ
Stabilitrak button does nothing
Grimor
Apr 12, 2013
Replies
12
Views
2K
Apr 13, 2013
Jkust
J
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
40K
Apr 7, 2013
gmcman
T
Check Engine Light Confusion
TNEnvoyXL
Mar 8, 2013
Replies
27
Views
2K
Apr 6, 2013
TNEnvoyXL
T
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