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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
Today at 4:00 PM
johnny be good
Drivetrain
New
1.1K
13.3K
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1.1K
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J
NEED HELP
04 Trailblazer 4WD locked ?
Today at 3:07 PM
johnny be good
Vortec 5.3L V8
392
5.2K
Threads
392
Posts
5.2K
Catalytic converter replacement options EPA vs carb
Feb 18, 2024
Mike534x
LS2 6.0L V8
40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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D
engine jerking
dwzook
Jun 5, 2014
Replies
3
Views
903
Jun 5, 2014
dwzook
D
C
Replacing transmission lines
Chi06SRGTO
Jun 1, 2014
Replies
10
Views
19K
Jun 5, 2014
JerryIrons
J
J
fuel and vent line repair
j-bone
Jun 1, 2014
Replies
7
Views
1K
Jun 5, 2014
j-bone
J
S
Engine knock with a p0014 and p0016
smoke624
May 27, 2014
Replies
22
Views
12K
Jun 1, 2014
smoke624
S
S
Envy, lust, and greed
smokey262
May 26, 2014
Replies
11
Views
1K
May 31, 2014
Kurb
S
New engine??
supasix
May 27, 2014
Replies
2
Views
790
May 27, 2014
yodaddy4200
TB won't start and am at wits end.
Bishop
May 26, 2014
Replies
7
Views
1K
May 27, 2014
The_Roadie
Is this the end?
Hatchet
Aug 18, 2013
2
3
Replies
92
Views
7K
May 27, 2014
nagyiii
C
06 Denali exhaust suggestions/questions, will either of these fit????
coops09gxp
Mar 30, 2014
Replies
4
Views
908
May 23, 2014
Pittdawg
S
Gas Gauge Not Reading
schedebaby
Jan 16, 2012
Replies
9
Views
3K
May 20, 2014
JerryIrons
J
D
06+ factory 18's = 8.6 rear axle
DustinC1989
Apr 7, 2014
Replies
2
Views
797
May 19, 2014
djthumper
3
serious crow-hop and bind
3rd
Apr 30, 2014
Replies
4
Views
3K
May 18, 2014
IllogicTC
N
Is this a transmission issue
nodogs027
Mar 18, 2014
2
Replies
43
Views
3K
May 18, 2014
IllogicTC
S
problem after replacing fuel level sending unit
sLAsh
May 18, 2014
Replies
8
Views
997
May 18, 2014
sLAsh
S
Argh! P0410
Mark20
Mar 12, 2014
Replies
23
Views
2K
May 18, 2014
IllogicTC
Fuel gauge problems. Cluster or sending unit ???
bmartinezx3
Nov 10, 2012
Replies
27
Views
4K
May 18, 2014
BlazingTrails
05 TB 4.2 throwing P0171 and 172.
Rizzoj2000
May 13, 2014
Replies
6
Views
1K
May 18, 2014
IllogicTC
A
Heat Shield
Alansd
May 16, 2014
Replies
1
Views
720
May 16, 2014
The_Roadie
M
4WD Service light on & no 4wd
mountainclimber
May 4, 2014
Replies
9
Views
1K
May 14, 2014
mountainclimber
M
R
Thoughts on Lucas transmission stop slip?
Revans381996
May 9, 2014
Replies
10
Views
21K
May 14, 2014
DocBrown
E
P0171 - Help with diagnosis
Ed H
May 13, 2014
Replies
3
Views
897
May 13, 2014
Matt
J
Buick Rainier fuel pump.
j-bone
May 9, 2014
Replies
4
Views
690
May 9, 2014
j-bone
J
CV boot...
Gump2773
Feb 23, 2012
Replies
6
Views
1K
May 9, 2014
romdos
R
Newbie! 2004 TB LS 4x4 I6
bmcutright
Apr 15, 2014
Replies
19
Views
1K
May 7, 2014
kkeo211
K
A
Axle Disconnect Part #
admwinte
May 2, 2014
Replies
2
Views
798
May 2, 2014
admwinte
A
N
2006 envoy denali shifting hards with no slipping
N.SHIFT
Mar 31, 2014
Replies
10
Views
8K
Apr 30, 2014
misterhyde
M
L
Bad head gasket?
Lins Bravada
Mar 29, 2014
Replies
15
Views
1K
Apr 28, 2014
The_Roadie
02 I6 no start help
danger
Apr 6, 2014
2
Replies
76
Views
4K
Apr 27, 2014
IllogicTC
A
2 new codes not known
aboturky839
Apr 14, 2014
Replies
7
Views
3K
Apr 26, 2014
aboturky839
A
Vibration/shudder type feeling
yar02169
Apr 16, 2014
Replies
6
Views
2K
Apr 24, 2014
hayes
H
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