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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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4.2 cylinder sleeve replacement
Mar 19, 2024
mrrsm
Drivetrain
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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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40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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W
Defective Battery or did my TB fry it?
wormwood1978
Saturday at 6:33 AM
Replies
4
Views
121
Saturday at 9:23 PM
mrrsm
T
NEED HELP
Please, help accessing front 3 bolts on oil pan in order to remove it.
Tatsun
Mar 20, 2024
Replies
2
Views
137
Mar 20, 2024
Mooseman
C
BG Products E.P.R. Seems to be helping oil consumption
c good
Mar 17, 2024
Replies
0
Views
71
Mar 17, 2024
c good
C
Please Help Identify Broken Sensor
Btorres1977GContractor
Feb 18, 2024
Replies
1
Views
227
Feb 18, 2024
mrrsm
M
2005 Trailblazer Starting Issues.
Mothman
Feb 17, 2024
Replies
7
Views
478
Feb 29, 2024
Realism
Bound to happen sooner or later
Ilikemy3s
Feb 7, 2024
Replies
5
Views
270
Feb 7, 2024
mrrsm
New York State inspection fail
MPB
Feb 6, 2024
Replies
11
Views
411
Feb 8, 2024
AmpOverload
K
2002 Trailblazer airbox question
KWG2005
Feb 4, 2024
Replies
3
Views
182
Feb 4, 2024
Blckshdw
C
Worth picking up an extra engine?
c good
Feb 3, 2024
Replies
6
Views
354
Feb 9, 2024
c good
C
W
Thermostat Preventative/Proactive Replacement
wormwood1978
Jan 19, 2024
Replies
13
Views
487
Saturday at 6:28 AM
wormwood1978
W
Whirring buzz from under the hood, take a guess
Realism
Jan 13, 2024
Replies
12
Views
556
Feb 5, 2024
Realism
C
BG EPR oil treatment?
c good
Dec 29, 2023
Replies
3
Views
311
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
390
Dec 14, 2023
Mooseman
C
2002 Envoy, 4x4. Starter motor replacement tips?
c good
Dec 8, 2023
Replies
6
Views
317
Dec 9, 2023
TollKeeper
S
Slight hesitation/vibration at idle
seadoojetski
Dec 5, 2023
Replies
10
Views
444
Dec 9, 2023
mrrsm
NEED HELP
Possible bad fuel pump (confirmation needed)
ghost_leader07
Nov 8, 2023
Replies
28
Views
914
Nov 14, 2023
mrrsm
M
E-Fan issue
MichEnvoyGuy
Nov 6, 2023
Replies
5
Views
397
Nov 8, 2023
Mooseman
Where can I get the TCC PWM eliminator kit?
gmcman
Oct 29, 2023
Replies
3
Views
419
Oct 30, 2023
Sparky
B
No crank no start isn't it lovely
bennieRohde
Oct 24, 2023
2
3
Replies
83
Views
2K
Nov 10, 2023
bennieRohde
B
2002 TB 4.2 died at stop & immediate restart
movietvet
Oct 22, 2023
2
Replies
51
Views
2K
Jan 19, 2024
movietvet
P0495 code
Dmflash
Oct 22, 2023
Replies
6
Views
278
Oct 23, 2023
Mooseman
Low Voltage to Transmission Pressure Switch
Firebyrd91
Oct 9, 2023
Replies
0
Views
262
Oct 9, 2023
Firebyrd91
J
How to remove battery tray 2004 TB LS?
John04TB
Oct 5, 2023
Replies
2
Views
248
Oct 7, 2023
Mooseman
NAPA High Mileage Oil?
l008com
Oct 5, 2023
Replies
4
Views
604
Nov 15, 2023
Know1else
K
T
2003 Trailblazer LT Ext cranks but wont start no fuel pressure
TrailblazerLTExtended
Oct 4, 2023
Replies
6
Views
378
Oct 4, 2023
Mooseman
E
Parts cleaner to clean oil pickup tube
emedlin
Sep 27, 2023
Replies
21
Views
1K
Oct 2, 2023
emedlin
E
temp raise after 15 min drive with AC on, but go back if i turn off AC
rolo95
Sep 1, 2023
Replies
21
Views
771
Sep 15, 2023
aaserv
W
Exhaust Pipe to Manifold Gasket
wormwood1978
Aug 15, 2023
Replies
5
Views
391
Sep 11, 2023
wormwood1978
W
Confirmed: Clearing codes re-enables Cruise Control
RiverGuy
Aug 3, 2023
Replies
4
Views
703
Oct 14, 2023
AmpOverload
H
Signal wire shows 12 volts... ignition off
halfawhole again
Jul 27, 2023
Replies
6
Views
537
Jul 28, 2023
TJBaker57
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