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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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PO442
Friday at 11:06 PM
Stuntmanmike1977
Drivetrain
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1.1K
13.3K
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B
Normal Transmission Temperature?
50 minutes ago
Brian K
Vortec 5.3L V8
New
394
5.2K
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394
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5.2K
M
Runs rough couple miles after starting
Friday at 10:43 AM
MD_Envoy_Driver
LS2 6.0L V8
40
839
Threads
40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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J
2002 TB running problems
jhubbhard
Sep 29, 2013
Replies
8
Views
956
Sep 30, 2013
gmcman
M
NEED HELP
2002 TB LS 4WD front wheels not engaging
moneymike
Nov 17, 2019
Replies
7
Views
2K
Nov 25, 2019
moneymike
M
2002 TB Fan Bolt Replacements
Shojoro
Jul 15, 2015
Replies
3
Views
811
Jul 17, 2015
BlazingTrails
2002 TB 4.2 died at stop & immediate restart
movietvet
Oct 22, 2023
2
Replies
51
Views
2K
Jan 19, 2024
movietvet
F
2002 Olds Bravada - Thinking of buying have a few questions
fixnux
Oct 11, 2013
Replies
6
Views
1K
Oct 13, 2013
fixnux
F
C
2002 Envoy, 4x4. Starter motor replacement tips?
c good
Dec 8, 2023
Replies
6
Views
347
Dec 9, 2023
TollKeeper
R
2002 Envoy with rough idle - very strange
r.wiegand100
Jun 15, 2013
Replies
8
Views
2K
Jun 24, 2013
The_Roadie
G
NEED HELP
2002 Envoy will not move till 1500rpm...and other stuff.
gmanfive0
May 8, 2016
Replies
13
Views
2K
May 18, 2016
shovenose
K
2002 envoy front def issue
Kr.jr270
Sep 8, 2019
Replies
30
Views
3K
Oct 12, 2019
paul2005tb
C
2002 cylinder liner failure? Just curious.
c good
Nov 1, 2021
Replies
9
Views
786
Nov 2, 2021
Mooseman
T
2002 Chevy Trailblazer
Tish
Nov 17, 2012
Replies
5
Views
1K
Nov 17, 2012
The_Roadie
D
2002 Bravada/Envoy/Trailblazer muffler DIY replacement
darsch
Apr 1, 2014
Replies
5
Views
8K
Jan 9, 2015
darsch
D
M
2002 Bravada-No AWD
MOJoe2002
Dec 8, 2013
Replies
12
Views
2K
Dec 16, 2013
MOJoe2002
M
L
2002 Bravada AWD not working.
lovesrugers
Jan 25, 2012
Replies
12
Views
12K
Feb 3, 2012
lovesrugers
L
A
2 new codes not known
aboturky839
Apr 14, 2014
Replies
7
Views
3K
Apr 26, 2014
aboturky839
A
U
2 Misc Engine Q's
Uncle_Joe
Jul 26, 2019
Replies
11
Views
1K
Jul 29, 2019
gmcman
1999 4L60 in a 2004
Ed's Automotive
Jan 22, 2020
Replies
5
Views
2K
Jan 23, 2020
mrrsm
J
15 codes after transfer case fluid change
jhenry999
Jul 5, 2015
Replies
6
Views
5K
Jul 5, 2015
djthumper
C
1 Quart in 2600 miles OK?
c good
Apr 3, 2022
Replies
2
Views
503
Apr 3, 2022
Mooseman
L
0751 code
lint
Jul 25, 2017
Replies
7
Views
1K
Jul 26, 2017
lint
L
D
06+ factory 18's = 8.6 rear axle
DustinC1989
Apr 7, 2014
Replies
2
Views
805
May 19, 2014
djthumper
R
NEED HELP
06 Trailblazer EXT 4.2 Engine swap
Rick
Nov 8, 2021
Replies
30
Views
5K
Jan 10, 2022
NJTB
N
J
06 TB 4.2 stalling while braking..
jeffrobinson
Mar 31, 2014
2
3
Replies
85
Views
6K
Oct 24, 2014
jeffrobinson
J
C
06 Denali exhaust suggestions/questions, will either of these fit????
coops09gxp
Mar 30, 2014
Replies
4
Views
913
May 23, 2014
Pittdawg
NEED HELP
05 trailblazer tranny no noise or nothing
Tbluvr
Nov 16, 2018
Replies
2
Views
649
Nov 19, 2018
KEEBZ489
K
05 TB 4.2 throwing P0171 and 172.
Rizzoj2000
May 13, 2014
Replies
6
Views
1K
May 18, 2014
IllogicTC
C
05 sierra Stuck in 2nd
ColoradoKid512
Mar 4, 2023
Replies
2
Views
310
Mar 6, 2023
Mooseman
G
05 front humming
grtrnd1
Jun 23, 2014
Replies
11
Views
1K
Jul 22, 2014
JamesL3
M
05 buick rainier
mikezuz
Dec 14, 2013
Replies
7
Views
1K
Dec 16, 2013
The_Roadie
V
04 Trailer Blazer gushing coolant
villawolf01
Jun 7, 2015
Replies
11
Views
1K
Jun 8, 2015
villawolf01
V
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