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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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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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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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Po420 code
Charliebrownwds
Mar 8, 2018
Replies
1
Views
728
Mar 25, 2018
wags69
W
New here and new 2002 TB to me
movietvet
Dec 21, 2022
Replies
12
Views
728
Dec 27, 2022
movietvet
C
Yellow Dip Stick Dilemma
c good
Oct 13, 2022
Replies
6
Views
726
Oct 16, 2022
c good
C
N
Motor mount heat shield
NJTB
Mar 14, 2020
Replies
3
Views
726
Mar 15, 2020
NJTB
N
LEAK AROUND WINDSHIELD
Petnatcar
Oct 2, 2018
Replies
4
Views
724
Oct 2, 2018
Mounce
How much is too much for trans pump
Grimor
Jul 23, 2014
Replies
2
Views
722
Jul 23, 2014
RedEnvoyDenali
A
Heat Shield
Alansd
May 16, 2014
Replies
1
Views
720
May 16, 2014
The_Roadie
I
Misfire Cylinder 1 - Plug Swap
Instrumental
Jun 30, 2017
Replies
2
Views
720
Jul 3, 2017
Instrumental
I
NEED HELP
Gas Caps
WhiteWolf
Mar 18, 2022
Replies
3
Views
719
Mar 18, 2022
Mooseman
Envoy Torque Converter not locking
Medic3166
Dec 21, 2018
Replies
2
Views
718
Dec 21, 2018
TequilaWarrior
T
Delphi box in engine compartment
MikeHayes
Jun 23, 2017
Replies
2
Views
712
Jun 23, 2017
MikeHayes
Lots and Lots ...of GM 4.2L Engine Swap Videos
mrrsm
Feb 17, 2018
Replies
0
Views
710
Feb 17, 2018
mrrsm
M
No Reverse
mlan12
Jul 31, 2015
Replies
3
Views
709
Jul 31, 2015
Mike w
C
Any problem going back to Synthetic Blend oil after full Synthetic?
c good
Apr 27, 2022
Replies
3
Views
705
Apr 28, 2022
littleblazer
What Sensor/Connector is This?
Maverick6587
Feb 28, 2019
Replies
2
Views
704
Feb 28, 2019
Maverick6587
Confirmed: Clearing codes re-enables Cruise Control
RiverGuy
Aug 3, 2023
Replies
4
Views
703
Oct 14, 2023
AmpOverload
What is this any why is it leaking?
WeaponX
Apr 27, 2019
Replies
2
Views
697
Apr 28, 2019
Mooseman
4wd disconnect axle
mark'stb
Oct 15, 2018
Replies
2
Views
696
Oct 16, 2018
mark'stb
L
2004 Envoy P0526 code
Lisa'sEnvoy
Mar 30, 2021
Replies
1
Views
694
Mar 30, 2021
Mooseman
P0107 P0122 P0223
6716
Jun 27, 2020
Replies
0
Views
692
Jun 27, 2020
6716
J
Buick Rainier fuel pump.
j-bone
May 9, 2014
Replies
4
Views
689
May 9, 2014
j-bone
J
Cranks won't start
Greg0322
Dec 18, 2018
Replies
3
Views
687
Dec 19, 2018
Mooseman
Strange noises from underneath.
John T.
Jun 17, 2022
Replies
2
Views
683
Jun 18, 2022
John T.
Q
NEED HELP
four wheel help
Quadzilla
Sep 19, 2019
Replies
4
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675
Sep 20, 2019
Quadzilla
Q
C
no 3rd or 4th
chris6822
Mar 30, 2021
Replies
3
Views
674
Apr 4, 2021
chris6822
C
Where to find ignition coil harness for 2005 TB 6 cyl
Charles Austin Miller
Jul 4, 2018
Replies
4
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667
Jul 4, 2018
Charles Austin Miller
Radiator cap selection
CajunWon
Nov 19, 2019
Replies
1
Views
662
Nov 19, 2019
Mounce
C
Plastic Dip stick end a problem?
c good
Sep 5, 2021
Replies
2
Views
660
Sep 7, 2021
c good
C
Amsoil power foam ?
Ilikemy3s
Sep 9, 2022
Replies
4
Views
659
Sep 9, 2022
Mike534x
C
Would you put in a new Fuel Pump if it's never been replaced at 190 K miles?
c good
Oct 2, 2022
Replies
5
Views
655
Oct 5, 2022
gmcman
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