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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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PO442
Yesterday at 11:06 PM
Stuntmanmike1977
Drivetrain
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Re-using Torque converters
Tuesday at 10:44 AM
JayArr
Vortec 5.3L V8
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5.2K
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M
Runs rough couple miles after starting
Yesterday at 10:43 AM
MD_Envoy_Driver
LS2 6.0L V8
40
839
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H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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2003 Trailblazer LT Ext cranks but wont start no fuel pressure
TrailblazerLTExtended
Oct 4, 2023
Replies
6
Views
428
Oct 4, 2023
Mooseman
NAPA High Mileage Oil?
l008com
Oct 5, 2023
Replies
4
Views
672
Nov 15, 2023
Know1else
K
J
How to remove battery tray 2004 TB LS?
John04TB
Oct 5, 2023
Replies
2
Views
259
Oct 7, 2023
Mooseman
Low Voltage to Transmission Pressure Switch
Firebyrd91
Oct 9, 2023
Replies
0
Views
306
Oct 9, 2023
Firebyrd91
P0495 code
Dmflash
Oct 22, 2023
Replies
6
Views
334
Oct 23, 2023
Mooseman
2002 TB 4.2 died at stop & immediate restart
movietvet
Oct 22, 2023
2
Replies
51
Views
2K
Jan 19, 2024
movietvet
B
No crank no start isn't it lovely
bennieRohde
Oct 24, 2023
2
3
Replies
83
Views
2K
Nov 10, 2023
bennieRohde
B
Where can I get the TCC PWM eliminator kit?
gmcman
Oct 29, 2023
Replies
3
Views
492
Oct 30, 2023
Sparky
M
E-Fan issue
MichEnvoyGuy
Nov 6, 2023
Replies
5
Views
431
Nov 8, 2023
Mooseman
NEED HELP
Possible bad fuel pump (confirmation needed)
ghost_leader07
Nov 8, 2023
Replies
28
Views
994
Nov 14, 2023
mrrsm
S
Slight hesitation/vibration at idle
seadoojetski
Dec 5, 2023
Replies
10
Views
500
Dec 9, 2023
mrrsm
C
2002 Envoy, 4x4. Starter motor replacement tips?
c good
Dec 8, 2023
Replies
6
Views
347
Dec 9, 2023
TollKeeper
C
Do the 5.3 Envoys and Trailblazers have the "Tow/Haul" feature?
c good
Dec 14, 2023
Replies
6
Views
496
Dec 14, 2023
Mooseman
C
BG EPR oil treatment?
c good
Dec 29, 2023
Replies
3
Views
356
Dec 30, 2023
Mooseman
Whirring buzz from under the hood, take a guess
Realism
Jan 13, 2024
Replies
12
Views
625
Feb 5, 2024
Realism
W
Thermostat Preventative/Proactive Replacement
wormwood1978
Jan 19, 2024
Replies
13
Views
617
Mar 23, 2024
wormwood1978
W
C
Worth picking up an extra engine?
c good
Feb 3, 2024
Replies
6
Views
415
Feb 9, 2024
c good
C
K
2002 Trailblazer airbox question
KWG2005
Feb 4, 2024
Replies
3
Views
219
Feb 4, 2024
Blckshdw
New York State inspection fail
MPB
Feb 6, 2024
Replies
11
Views
472
Feb 8, 2024
AmpOverload
Bound to happen sooner or later
Ilikemy3s
Feb 7, 2024
Replies
5
Views
329
Feb 7, 2024
mrrsm
M
2005 Trailblazer Starting Issues.
Mothman
Feb 17, 2024
Replies
7
Views
546
Feb 29, 2024
Realism
Please Help Identify Broken Sensor
Btorres1977GContractor
Feb 18, 2024
Replies
1
Views
269
Feb 18, 2024
mrrsm
C
BG Products E.P.R. Seems to be helping oil consumption
c good
Mar 17, 2024
Replies
0
Views
132
Mar 17, 2024
c good
C
T
NEED HELP
Please, help accessing front 3 bolts on oil pan in order to remove it.
Tatsun
Mar 20, 2024
Replies
2
Views
191
Mar 20, 2024
Mooseman
W
Defective Battery or did my TB fry it?
wormwood1978
Mar 23, 2024
Replies
4
Views
180
Mar 23, 2024
mrrsm
S
Got stranded
Stuntmanmike1977
Apr 8, 2024
Replies
13
Views
367
Apr 22, 2024
Mike534x
What happens if you overfill your engine oil?
flyboy2610
Apr 13, 2024
Replies
4
Views
162
Apr 14, 2024
flyboy2610
Is this amount of differential play normal?
l008com
Apr 23, 2024
Replies
2
Views
75
Apr 23, 2024
l008com
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