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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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2002 TB running great
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movietvet
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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a.i.r system
c bausch
Jan 31, 2012
Replies
7
Views
1K
Apr 10, 2012
c bausch
C
A.C. Delco Foaming Top End Cleaner....
c good
Nov 14, 2021
Replies
9
Views
5K
Nov 17, 2021
mrrsm
A good place to get a CAT and exhaust that doesn’t cost an arm
WeaponX
Aug 29, 2019
Replies
2
Views
781
Aug 29, 2019
WeaponX
D
A Busy Few Days For Me
Dakota76
Apr 19, 2012
Replies
10
Views
2K
Apr 27, 2012
seanpooh
97x Vibration Issue
Maverick6587
Feb 18, 2019
Replies
17
Views
2K
Feb 27, 2019
Mooseman
5.3L O2 Sensors
roadmaven
Aug 5, 2013
Replies
4
Views
980
Aug 6, 2013
RayVoy
C
5.3l Denali Purchase
Cshults
Jun 1, 2019
Replies
19
Views
4K
Jun 3, 2019
DocBrown
5.3 swap again.....
Yeagamyster04
Oct 9, 2021
Replies
19
Views
1K
Oct 19, 2021
Yeagamyster04
J
5.3 oil pressure
Jh1984oh1
Nov 10, 2021
Replies
4
Views
756
Nov 10, 2021
Jh1984oh1
J
T
5.3 loses power at speed/stalls
tommyt
Mar 9, 2014
Replies
7
Views
857
Mar 10, 2014
The_Roadie
4x4. Different tire sizes
trailblazin06
Nov 25, 2013
Replies
15
Views
2K
Dec 9, 2013
Numbnutz
N
S
NEED HELP
4x4 Working strange
Sn1perdeath
Aug 27, 2021
Replies
25
Views
2K
Sep 10, 2021
chris68369
C
K
4x4 Transfer Case Noise - Play in drive shaft?
Kzoo
Apr 30, 2012
Replies
2
Views
2K
May 1, 2012
Kzoo
K
H
4x4 service light
Hawkce541
Apr 28, 2021
Replies
2
Views
811
Apr 28, 2021
Hawkce541
H
4x4 rebuild
Daniel417
Oct 16, 2015
Replies
6
Views
1K
Oct 26, 2015
Daniel417
C
4x4 problem
chevman
Mar 2, 2014
Replies
20
Views
2K
Mar 7, 2014
chevman
C
4X4 prob and now no forward or reverse...help
duluthsnow
Dec 17, 2013
Replies
10
Views
5K
Feb 22, 2014
The_Roadie
J
4x4 not working - axle actuator issue
jysp
Aug 14, 2014
Replies
7
Views
2K
Aug 18, 2014
jysp
J
M
4x4 issue
Mbenoy-19
Feb 25, 2021
Replies
5
Views
550
Feb 25, 2021
Mooseman
J
4x4
Jgoodnig
Dec 27, 2012
Replies
3
Views
820
Dec 27, 2012
jrSS
M
4WD Service light on & no 4wd
mountainclimber
May 4, 2014
Replies
9
Views
1K
May 14, 2014
mountainclimber
M
W
4wd service light on
Wildbillsru
Dec 14, 2014
Replies
2
Views
2K
Jan 4, 2015
marinegrunt
B
4WD Service Light - C0379 Code
Budmiester
Jan 15, 2012
Replies
10
Views
39K
Apr 14, 2020
MaxiVI
M
4wd not working.
Petenice518
Feb 11, 2015
Replies
12
Views
2K
Feb 26, 2015
Mounce
M
4wd not working, testing a 4wd disconnect
mntb
Nov 14, 2016
Replies
10
Views
2K
Dec 5, 2016
smt 59
H
NEED HELP
4WD not working
HoldenEst
Sep 9, 2022
Replies
4
Views
469
Sep 10, 2022
Mooseman
U
4WD not engaging
USA-1
Dec 8, 2013
Replies
10
Views
4K
Dec 14, 2013
USA-1
U
4WD issue/not working
Daniel644
Jan 8, 2017
Replies
9
Views
1K
Jan 9, 2017
Sparky
NEED HELP
4WD issue
egger46
Dec 19, 2017
Replies
3
Views
1K
Jan 10, 2018
webdawg
W
4wd disconnect axle
mark'stb
Oct 15, 2018
Replies
2
Views
700
Oct 16, 2018
mark'stb
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