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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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T
Exhaust manifold heat shield! Please HELP!!!
TrailblazerLT
Oct 9, 2012
Replies
7
Views
1K
Oct 9, 2012
TrailblazerLT
T
Tune and Premium Fuel
HARDTRAILZ
Aug 30, 2012
Replies
12
Views
2K
Oct 8, 2012
jimmyjam
Fluttering Butterfly or TCC?
Dad-O-Matic
Aug 8, 2012
Replies
16
Views
2K
Oct 8, 2012
Dad-O-Matic
D
Disabling the ignition
dmtaurus
Oct 5, 2012
Replies
2
Views
830
Oct 7, 2012
dmtaurus
D
S
TB Sounds Like an Airplane Taking Off!!
Slugger89
Oct 6, 2012
Replies
4
Views
1K
Oct 6, 2012
jeffro312
Catalytic Converter Choice?
mubai
Aug 15, 2012
Replies
22
Views
2K
Oct 5, 2012
mubai
Rough Idle When Cold
UMEXT
Sep 11, 2012
Replies
15
Views
3K
Oct 5, 2012
neelskit
V
P306
VoyDude
Oct 2, 2012
Replies
5
Views
1K
Oct 5, 2012
VoyDude
V
T
Camshaft Position Actuator Solenoid...leaking oil!!???
TrailblazerLT
Oct 4, 2012
Replies
2
Views
4K
Oct 4, 2012
TrailblazerLT
T
50000 mile engine services
Ghost
Sep 11, 2012
Replies
28
Views
2K
Oct 3, 2012
Ghost
C
P0300 Error, then P0301
coleman
Oct 2, 2012
Replies
2
Views
930
Oct 2, 2012
coleman
C
C
questions, questions, questions
cmatb08
Sep 28, 2012
Replies
11
Views
1K
Oct 2, 2012
Boricua SS
J
Won't stay running!
jonakapunkin
Oct 1, 2012
Replies
4
Views
1K
Oct 1, 2012
gmcman
Stock Exhaust
Pittdawg
Jul 8, 2012
2
Replies
62
Views
6K
Sep 26, 2012
Flash12623
F
B
Revised procedure for replacing motor mounts.
bugeyed
Sep 24, 2012
Replies
0
Views
875
Sep 24, 2012
bugeyed
B
J
Motor Swap Problem/Suggestions
JimHTP
Sep 6, 2012
Replies
21
Views
2K
Sep 21, 2012
dfc739
Engine cooling problem
Mistral150
Sep 18, 2012
Replies
5
Views
974
Sep 19, 2012
Mistral150
B
4.2 chain tensioner/tool for head removal
broke4now
Sep 14, 2012
Replies
5
Views
13K
Sep 18, 2012
broke4now
B
L
P0014 B Camshaft
LBB
May 31, 2012
Replies
1
Views
924
Sep 18, 2012
Cable810
D
misfire cyl1 and exhaust leak followed by mil light on for pre-cat o2 sensor
douellette
Sep 11, 2012
Replies
9
Views
2K
Sep 17, 2012
douellette
D
Take a look at my (ORIGINAL?) 41-981 plugs....
WarGawd
Sep 17, 2012
Replies
2
Views
1K
Sep 17, 2012
WarGawd
J
pcm tune
jrthomas05
Sep 14, 2012
Replies
6
Views
1K
Sep 15, 2012
Mooseman
J
rattling noise
jrthomas05
Sep 13, 2012
Replies
3
Views
1K
Sep 14, 2012
jrthomas05
J
Does YOUR Idler Pulley Wobble??
WarGawd
Sep 13, 2012
Replies
3
Views
7K
Sep 13, 2012
Lima Tango
C
#2 cylinder Wet
Cooztwo
May 17, 2012
Replies
22
Views
2K
Sep 12, 2012
Cooztwo
C
0
Used K&N intake kit. Should I worry?
05_ext
Sep 7, 2012
Replies
12
Views
1K
Sep 11, 2012
Ghost
N
o2 sensors
Nizar
Sep 11, 2012
Replies
2
Views
861
Sep 11, 2012
Nizar
N
M
CPAS foreign object warning
McGMT
Sep 10, 2012
Replies
2
Views
804
Sep 10, 2012
McGMT
M
B
Same newbie, different troubles.
boes462
Sep 8, 2012
Replies
3
Views
790
Sep 8, 2012
McGMT
M
3
Yellow wrench and oil can symbol
308sako
Sep 7, 2012
Replies
11
Views
2K
Sep 8, 2012
McGMT
M
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Engine & Drivetrain
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