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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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4.2L running hot under load
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mrwhipper
Drivetrain
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About 8.6 rear differential cover with drain bolt.
Yesterday at 6:47 PM
far eastan
Vortec 5.3L V8
New
396
5.2K
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396
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5.2K
NEED HELP
Crankshaft sensor difference?
Today at 1:26 PM
Mooseman
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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NEED HELP
4x4 Already in 4Low at Startup?
AC75TB07
Aug 11, 2024
Replies
28
Views
362
4 minutes ago
TJBaker57
R
Fuel Feeder Line and Cylinder Misfires
Richard_Meyer
Aug 18, 2024
Replies
9
Views
227
Aug 24, 2024
m.mcmillen
SOLVED!
Rattling/knocking sound (video)
masaidwakeup
Aug 5, 2024
Replies
7
Views
216
Aug 16, 2024
masaidwakeup
P0302: Cylinder 2 misfire deteced.
Blackstar
Sep 5, 2018
Replies
25
Views
4K
Aug 15, 2024
Mooseman
NEED HELP
Fuel/Gas Cap
WhiteWolf
Jun 15, 2024
Replies
3
Views
274
Aug 15, 2024
WhiteWolf
C
Autozone Duralast Gold Starter Motor with Lifetime Warranty or AC Delco New with 30 day warranty.
c good
Aug 5, 2024
Replies
8
Views
328
Aug 9, 2024
c good
C
Is this amount of differential play normal?
l008com
Apr 23, 2024
Replies
3
Views
285
Aug 3, 2024
jerflash
J
W
Front propeller shaft removal help
wormwood1978
Jul 24, 2024
Replies
2
Views
155
Jul 25, 2024
Brian K
B
C
Never knew we can Flat Tow our 4x4 Envoys, Trailblazers, etc.
c good
May 16, 2024
Replies
6
Views
407
Jul 2, 2024
Sqrly
D
Insulation on underside of hood
DIYguy
Jun 8, 2024
Replies
6
Views
304
Jun 18, 2024
christo829
Replace front diff?
6716
Jun 8, 2024
Replies
3
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284
Jun 17, 2024
JayArr
C
BG Products E.P.R. Seems to be helping oil consumption
c good
Mar 17, 2024
Replies
3
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417
May 13, 2024
Mike534x
P0495 code
Dmflash
Oct 22, 2023
Replies
9
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676
May 10, 2024
Mooseman
S
Got stranded
Stuntmanmike1977
Apr 8, 2024
Replies
13
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746
Apr 22, 2024
Mike534x
4.2L Dieseling sound
ZD3SF
Nov 13, 2020
Replies
20
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3K
Apr 19, 2024
Mooseman
What happens if you overfill your engine oil?
flyboy2610
Apr 13, 2024
Replies
4
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348
Apr 14, 2024
flyboy2610
W
Defective Battery or did my TB fry it?
wormwood1978
Mar 23, 2024
Replies
4
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377
Mar 23, 2024
mrrsm
W
Thermostat Preventative/Proactive Replacement
wormwood1978
Jan 19, 2024
Replies
13
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887
Mar 23, 2024
wormwood1978
W
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NEED HELP
Please, help accessing front 3 bolts on oil pan in order to remove it.
Tatsun
Mar 20, 2024
Replies
2
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326
Mar 20, 2024
Mooseman
M
2005 Trailblazer Starting Issues.
Mothman
Feb 17, 2024
Replies
7
Views
882
Feb 29, 2024
Realism
Please Help Identify Broken Sensor
Btorres1977GContractor
Feb 18, 2024
Replies
1
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381
Feb 18, 2024
mrrsm
C
Worth picking up an extra engine?
c good
Feb 3, 2024
Replies
6
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610
Feb 9, 2024
c good
C
New York State inspection fail
MPB
Feb 6, 2024
Replies
11
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723
Feb 8, 2024
AmpOverload
Bound to happen sooner or later
Ilikemy3s
Feb 7, 2024
Replies
5
Views
504
Feb 7, 2024
mrrsm
Whirring buzz from under the hood, take a guess
Realism
Jan 13, 2024
Replies
12
Views
876
Feb 5, 2024
Realism
K
2002 Trailblazer airbox question
KWG2005
Feb 4, 2024
Replies
3
Views
405
Feb 4, 2024
Blckshdw
2002 TB 4.2 died at stop & immediate restart
movietvet
Oct 22, 2023
2
Replies
51
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3K
Jan 19, 2024
movietvet
C
BG EPR oil treatment?
c good
Dec 29, 2023
Replies
3
Views
532
Dec 30, 2023
Mooseman
C
Do the 5.3 Envoys and Trailblazers have the "Tow/Haul" feature?
c good
Dec 14, 2023
Replies
6
Views
869
Dec 14, 2023
Mooseman
C
2002 Envoy, 4x4. Starter motor replacement tips?
c good
Dec 8, 2023
Replies
6
Views
474
Dec 9, 2023
TollKeeper
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