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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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transmission issue?
shrek77
Mar 30, 2012
Replies
4
Views
1K
Mar 31, 2012
MacMan
EFI Live tuners?
Shmittey
Mar 30, 2012
Replies
4
Views
1K
Mar 30, 2012
4wVoy
F
random starting issue
fishin757
Mar 26, 2012
Replies
14
Views
1K
Mar 30, 2012
Mark20
Need to remove the fan and shroud and need some clarification
Sparky
Mar 13, 2012
Replies
12
Views
6K
Mar 30, 2012
blazinlow89
replaced my fan clutch
ghenny440
Mar 25, 2012
Replies
4
Views
1K
Mar 29, 2012
ghenny440
I
Planning for FI (<3 Months away)
isaacmaple08
Mar 29, 2012
Replies
2
Views
825
Mar 29, 2012
limequat
0
Dual alt bracket?
03tbls
Mar 28, 2012
Replies
2
Views
815
Mar 29, 2012
03tbls
0
Idle is funky again
Voymom
Mar 28, 2012
Replies
4
Views
891
Mar 28, 2012
ghenny440
P
the usual questions
psycho91
Mar 27, 2012
Replies
13
Views
1K
Mar 28, 2012
psycho91
P
4
Fuel filler neck rattle?
400Magnum
Mar 15, 2012
Replies
10
Views
4K
Mar 27, 2012
400Magnum
4
need help to choose shift firmness
borretje
Mar 8, 2012
Replies
21
Views
2K
Mar 25, 2012
gmcman
Need help guys!
fadyasha
Mar 22, 2012
Replies
17
Views
1K
Mar 25, 2012
fadyasha
engine with a "miss"
animal
Mar 20, 2012
Replies
9
Views
1K
Mar 22, 2012
animal
M
Fast Idle at cold start
Mikebuild
Mar 21, 2012
Replies
12
Views
3K
Mar 22, 2012
The_Roadie
Another P0128
blazinlow89
Mar 1, 2012
Replies
35
Views
5K
Mar 21, 2012
Enderbygrandpa
E
p0411
HARDTRAILZ
Mar 21, 2012
Replies
2
Views
1K
Mar 21, 2012
HARDTRAILZ
N
Cruise turning off by itself
nbenjamin
Mar 7, 2012
Replies
12
Views
3K
Mar 20, 2012
Wyle
8
won't start
85085AZ
Mar 20, 2012
Replies
1
Views
952
Mar 20, 2012
Wyle
we really do have a state of the art engine
George
Feb 23, 2012
Replies
19
Views
3K
Mar 19, 2012
400Magnum
4
M
Oxygen Sensor
Menthol
Mar 18, 2012
Replies
1
Views
945
Mar 18, 2012
RayVoy
0
Cheap looking Serpentine belt...
04Trailblazer
Mar 15, 2012
Replies
29
Views
4K
Mar 18, 2012
Sparky
Which to Fix First...?
Freddy G.
Mar 12, 2012
Replies
30
Views
2K
Mar 18, 2012
RayVoy
B
CMP Replace - Is a Relearn Needed
Bhaasie
Mar 16, 2012
Replies
2
Views
1K
Mar 16, 2012
Bhaasie
B
How do you pull a 4.2l out?
Mark20
Feb 24, 2012
Replies
9
Views
3K
Mar 16, 2012
LMMJ
L
I
new issue
IndyPJ
Mar 15, 2012
Replies
11
Views
1K
Mar 15, 2012
IndyPJ
I
C
Muffler Replacement
coleman
Mar 12, 2012
Replies
12
Views
1K
Mar 13, 2012
Pittdawg
electrical problems
hitman
Jan 27, 2012
Replies
12
Views
2K
Mar 10, 2012
hitman
Engine flush? synthetic?
c bausch
Mar 9, 2012
Replies
8
Views
2K
Mar 10, 2012
Voymom
4
Fear that PCM4LESS module is getting reprogrammed
400Magnum
Feb 29, 2012
Replies
28
Views
3K
Mar 8, 2012
400Magnum
4
Wating.........
borretje
Mar 7, 2012
Replies
0
Views
770
Mar 7, 2012
borretje
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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