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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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4.2 cylinder sleeve replacement
Mar 19, 2024
mrrsm
Drivetrain
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13.3K
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SOLVED!
4WD Glitch
Monday at 8:28 PM
Mooseman
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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Propylene Glycol Engine Coolant with Poly Organic Acid Technology
DJones
Aug 18, 2013
Replies
2
Views
3K
Aug 19, 2013
DJones
B
Fuel pump relay
Bradleyp.wise
Dec 4, 2018
Replies
2
Views
546
Dec 6, 2018
mrrsm
Test for mis-matched axle ratio
TJBaker57
Jul 24, 2020
Replies
2
Views
645
Jul 27, 2020
TJBaker57
2
Thanks!
2envoy3
Feb 1, 2012
Replies
2
Views
1K
Feb 1, 2012
Wooluf1952
AC compressor......
Chevy4ever
Jun 8, 2014
Replies
2
Views
905
Jun 9, 2014
Chevy4ever
D
06+ factory 18's = 8.6 rear axle
DustinC1989
Apr 7, 2014
Replies
2
Views
797
May 19, 2014
djthumper
H
4x4 service light
Hawkce541
Apr 28, 2021
Replies
2
Views
800
Apr 28, 2021
Hawkce541
H
C
Piston slap or rod knock?
c good
Feb 3, 2023
Replies
2
Views
447
Feb 5, 2023
littleblazer
C
Whenever i switch to "A4WD" on my 4x4 selector(even for a split second), my "service Four Wheel Drive" light comes on?
Corpsicle
Jan 10, 2018
Replies
2
Views
1K
Jan 12, 2018
Corpsicle
C
Won't Start
Johnb868
Sep 19, 2019
Replies
2
Views
1K
Sep 20, 2019
Mooseman
T
NEED HELP
Please, help accessing front 3 bolts on oil pan in order to remove it.
Tatsun
Mar 20, 2024
Replies
2
Views
137
Mar 20, 2024
Mooseman
My mechanic says the 4x4 is not fully engaging.
GregT
Jan 19, 2012
Replies
2
Views
1K
Jan 19, 2012
GregT
W
Reduced Engine Power Light-Help
WebRoad Runner
Oct 14, 2012
Replies
2
Views
1K
Oct 15, 2012
Wooluf1952
C
Plastic Dip stick end a problem?
c good
Sep 5, 2021
Replies
2
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660
Sep 7, 2021
c good
C
A
Need Help Identifying a "Black Box" on Trailblazer
Alan in Vermont
May 7, 2019
Replies
2
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1K
May 7, 2019
Alan in Vermont
A
Troubleshooting the NVG 226 transfer case.
DenaliHD66
Jul 23, 2013
Replies
2
Views
3K
Jul 23, 2013
DenaliHD66
P0705 "Trans Range Switch Circuit"
Capote
Oct 16, 2016
Replies
2
Views
1K
Oct 16, 2016
MAY03LT
S
Reliability concerns
splashback
Oct 15, 2012
Replies
2
Views
801
Oct 15, 2012
The_Roadie
What Sensor/Connector is This?
Maverick6587
Feb 28, 2019
Replies
2
Views
704
Feb 28, 2019
Maverick6587
New Truck/SUV Oil ?
Ilikemy3s
May 12, 2022
Replies
2
Views
497
May 14, 2022
Mooseman
H
high pitched noise in low gear on 03 envoy
hommer
Sep 21, 2013
Replies
2
Views
957
Sep 21, 2013
hommer
H
S
Gev 5 and gen 4 v8 Differences
Smbigfoot
Jul 18, 2019
Replies
2
Views
3K
Jul 18, 2019
Mooseman
Wheel hop front right when in 4x4
GregT
Jan 21, 2012
Replies
2
Views
1K
Jan 21, 2012
GregT
K
4x4 Transfer Case Noise - Play in drive shaft?
Kzoo
Apr 30, 2012
Replies
2
Views
2K
May 1, 2012
Kzoo
K
NEED HELP
Transfer Case Module disconnected !
yazan
Aug 25, 2016
Replies
2
Views
944
Aug 25, 2016
yazan
Envoy Torque Converter not locking
Medic3166
Dec 21, 2018
Replies
2
Views
718
Dec 21, 2018
TequilaWarrior
T
S
Vibration from front end when coasting
shortman1166
Dec 4, 2012
Replies
2
Views
1K
Dec 4, 2012
shortman1166
S
B
Transmission oil pump replacement
Babas11911
Sep 2, 2012
Replies
2
Views
930
Sep 3, 2012
Wooluf1952
Delphi box in engine compartment
MikeHayes
Jun 23, 2017
Replies
2
Views
712
Jun 23, 2017
MikeHayes
Exhaust Manifold Dimensions
Traz
Dec 26, 2018
Replies
2
Views
634
Dec 26, 2018
Traz
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