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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Stuff on the Screens
Daniel644
Jul 30, 2023
Replies
10
Views
696
Aug 2, 2023
Daniel644
S
blend door actuator malfunction
sweettsinger
Jul 14, 2023
Replies
2
Views
549
Jul 14, 2023
Mooseman
S
NEED HELP
difference between a 2005 4.2l and a 2006 4.2l short block
shuby63
Jul 12, 2023
Replies
2
Views
563
Jul 12, 2023
Mooseman
I
Is my engine knocking?
imjustauser
Jun 28, 2023
Replies
20
Views
1K
Jul 15, 2023
Aroc
NEED HELP
Oil Pressure guage drops to zero (sometimes) during idle
stvrob
Jun 26, 2023
Replies
5
Views
591
Jun 27, 2023
TJBaker57
Call for help PLEASE Any other stuck O2 Sensor Suggestions?
jmonica
Jun 25, 2023
Replies
10
Views
720
Jun 28, 2023
gmcman
Coolant pouring out of reservoir when trying to fill
jmonica
Jun 24, 2023
Replies
3
Views
384
Jun 25, 2023
Blckshdw
S
NEED HELP
02 Envoy cooling issues
Scooter72
Jun 20, 2023
Replies
7
Views
741
Jun 27, 2023
Scooter72
S
O2 Sensor little to no voltage Bank 1 Sensor 1
jmonica
Jun 17, 2023
Replies
5
Views
1K
Jul 1, 2023
jmonica
S
old radiator cap leaks, replaced, new one leaks occasionally
sashainwy
May 6, 2023
Replies
12
Views
1K
Dec 7, 2023
sashainwy
S
S
Fuel pump access panel
Stuntmanmike1977
May 4, 2023
Replies
10
Views
2K
May 5, 2023
Stuntmanmike1977
S
S
SOLVED!
So begins my P0171 journey.
sashainwy
May 2, 2023
Replies
6
Views
762
Jun 13, 2023
sashainwy
S
S
SOLVED!
Transmission shudder at 50-60 mph
santon
Apr 24, 2023
Replies
12
Views
3K
Apr 27, 2023
santon
S
P
NEED HELP
P0102 and P2101
pell
Apr 21, 2023
Replies
9
Views
767
May 7, 2023
pell
P
Spark plugs and Ignition coil boots/springs
movietvet
Apr 9, 2023
Replies
6
Views
744
Apr 11, 2023
movietvet
C
One half quart in 2000 miles....Oil Consumption question.
c good
Apr 2, 2023
Replies
2
Views
601
Apr 4, 2023
Mooseman
Steering wheel theft deterrent lock burning hot
Elizabetty
Apr 1, 2023
Replies
11
Views
2K
Jun 27, 2023
RmbrNoel03EXT
R
Tccm compatibility clarification
Elizabetty
Mar 24, 2023
Replies
13
Views
977
Mar 25, 2023
TJBaker57
NEED HELP
VVT disassembly information needed.
cornchip
Mar 23, 2023
Replies
1
Views
407
Mar 24, 2023
mrrsm
NEED HELP
2002 Chevy Trailblazer no crank
BlueDazing
Mar 22, 2023
2
3
4
Replies
158
Views
7K
Oct 27, 2023
TJBaker57
Accidentally triggered security. How/why?
Elizabetty
Mar 19, 2023
Replies
12
Views
715
Mar 25, 2023
Elizabetty
Video: Broken S105 wiper motor ground splice
Elizabetty
Mar 16, 2023
Replies
3
Views
579
Mar 25, 2023
mrrsm
Sunroof - please explain hot fuse without feature
Elizabetty
Mar 12, 2023
Replies
13
Views
725
Mar 13, 2023
TJBaker57
B
Diagnosis of squeal
Billdaman1
Mar 12, 2023
Replies
8
Views
654
Mar 14, 2023
Mooseman
Multimeter voltage question at fuses
Elizabetty
Mar 11, 2023
Replies
8
Views
548
Mar 11, 2023
Mooseman
Oil Gauge or Oil Pump or Gremlins?
Roamingdoc
Mar 9, 2023
Replies
12
Views
1K
May 7, 2023
ironring
I
K
SOLVED!
Airbag Light
krunal88
Mar 7, 2023
Replies
13
Views
910
Mar 9, 2023
TJBaker57
Air filter housing cover
Elizabetty
Mar 2, 2023
Replies
6
Views
758
Mar 13, 2023
Elizabetty
S202 help
Elizabetty
Mar 1, 2023
Replies
6
Views
876
Mar 2, 2023
Elizabetty
Car Stalls at the same place everyday only in mornings
Axel
Feb 26, 2023
Replies
0
Views
523
Feb 26, 2023
Axel
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Engine & Drivetrain
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