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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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J
Gas tank venting issues can't fill
Yesterday at 4:00 PM
johnny be good
Drivetrain
New
1.1K
13.3K
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1.1K
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13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Today at 4:48 AM
mrrsm
Vortec 5.3L V8
392
5.2K
Threads
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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40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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Steering wheel doesn't steer
DJones
Feb 1, 2016
Replies
25
Views
3K
Feb 6, 2016
DJones
Has anyone thought about converting a TB/Envoy to a manual or stick
Drec
Apr 29, 2018
Replies
25
Views
9K
Jan 8, 2020
HARDTRAILZ
Weird 4wd issue goin on.
Darkrider_LS
Mar 4, 2014
Replies
25
Views
2K
Mar 7, 2014
Darkrider_LS
C
NEED HELP
Stalled
cretecrawler
May 26, 2019
Replies
25
Views
3K
Jun 8, 2019
cretecrawler
C
Check my logic - Part 2!
TollKeeper
Apr 7, 2023
Replies
25
Views
912
Jun 19, 2023
Mooseman
Disaster - Overheating
JimInRadfordVA
May 25, 2018
Replies
25
Views
2K
Jun 3, 2018
JimInRadfordVA
W
Cooling - Towing and AC On - 2004 Trailblazer LT 4x4 I6
webdawg
Jul 27, 2016
Replies
25
Views
4K
May 7, 2017
ar7
A
G
Replacing engine
Gibby
Jan 15, 2012
Replies
24
Views
6K
Jan 17, 2012
Gibby
G
SOLVED!
Loose, Rattle-y Heat Sheilds
l008com
Jul 15, 2023
Replies
24
Views
1K
Sep 11, 2023
JayArr
M
Saab 9-7x stuck in AWD
Marty
May 15, 2013
Replies
23
Views
10K
Mar 25, 2019
TequilaWarrior
T
E
Low oil pressure with P0014 and P0016
emedlin
Jul 12, 2020
Replies
23
Views
8K
Aug 6, 2020
gmcman
Bad gas cap or Purge Solenoid?
Mike534x
Apr 15, 2017
Replies
23
Views
9K
May 1, 2017
Mike534x
Filters arrived, have to go back under the TB
movietvet
Jan 18, 2023
Replies
23
Views
1K
Jan 24, 2023
movietvet
SOLVED: The Case of the Never Ending Misfire
therealsethallen
Dec 7, 2015
Replies
23
Views
5K
Dec 17, 2015
therealsethallen
J
Envoy transfer case encoder motor stuck in neutral?
jmac219
Sep 12, 2014
Replies
23
Views
14K
Oct 1, 2014
IllogicTC
When Did Your Fuel Pump Fail (or has it yet)??
Bartonmd
Jul 9, 2014
Replies
23
Views
2K
Sep 5, 2014
Texan
Let's talk tranny/transfer case/diff fluids!
shovenose
Jul 7, 2017
Replies
23
Views
13K
Aug 9, 2017
BrianF
B
V
Having trouble to diagnose DTC P1484 Not the EV Fan, PCM???
vcarlos40
Apr 9, 2013
Replies
23
Views
8K
Aug 2, 2014
vcarlos40
V
Argh! P0410
Mark20
Mar 12, 2014
Replies
23
Views
2K
May 18, 2014
IllogicTC
Modernization of a Trailblazer
Limestone
Jun 1, 2014
Replies
22
Views
2K
Jun 8, 2014
vipergg
V
S
misfire question and torque app driving me crazy
Stayathomedad
Feb 25, 2014
Replies
22
Views
7K
Apr 9, 2014
joeredspecial
J
Solved - Noise while on accelerator - no noise when coasting
Chris E
May 6, 2016
Replies
22
Views
6K
Jan 16, 2017
Chris E
C
How long should I let the oil pick up soak in Berryman's?
c good
Aug 27, 2021
Replies
22
Views
2K
Aug 31, 2021
Mooseman
T
Stabilitrak light comes on
Trailblazer186
Dec 10, 2015
Replies
22
Views
3K
Jan 20, 2016
cornchip
E
Best Bluetooth scan tool/apps? (Android)
ElAviator72
Jun 4, 2012
Replies
22
Views
4K
Jun 11, 2012
CaptainXL
C
Feels like 4lo when in 2hi (Cold conditions only)
autocad712
Feb 2, 2014
Replies
22
Views
2K
Feb 5, 2014
denvern
D
NEED HELP
03 sounds like its "dieseling"
redline customs
Aug 30, 2016
Replies
22
Views
5K
Sep 2, 2016
mrrsm
4wd clunks hard, does not immediately engage when selected
6716
Jan 30, 2022
Replies
22
Views
2K
Jun 2, 2023
Mooseman
Radio fuse causes engine gauges to go off?
AzTruckGuy
Sep 7, 2017
Replies
22
Views
2K
Aug 30, 2018
paul2005tb
W
IDLE - DONE SO MUCH ALREADY - WHY!??! - 2004 TB LT 4X4
webdawg
Jul 13, 2016
Replies
22
Views
2K
Aug 14, 2016
AzTruckGuy
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