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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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R
P1345 Help
Robert Russo
Mar 16, 2018
Replies
32
Views
4K
Sep 5, 2018
limequat
Temp going over 210
fadyasha
May 12, 2012
Replies
32
Views
4K
Jul 2, 2012
The_Roadie
E
Overheated, why?
emedlin
Oct 10, 2014
Replies
32
Views
2K
Oct 17, 2014
Mooseman
2008 Trailblazer dies randomly
shepherd92683
Nov 29, 2015
Replies
32
Views
5K
Jan 2, 2016
gmcman
B
transmission acting up
bspurloc
Apr 28, 2016
Replies
32
Views
3K
May 24, 2016
bspurloc
B
V
Multiple codes
Vale
Feb 5, 2018
Replies
32
Views
5K
Feb 11, 2018
Mooseman
A
oil change
amfm
Apr 3, 2012
Replies
32
Views
3K
Jun 6, 2012
Spyw
B
bypassing tranny cooler in Radiator for an external, ok for winter?
bspurloc
May 18, 2016
Replies
32
Views
4K
Jun 1, 2016
DocBrown
S
NEED HELP
Multiple codes
Sworsley
Nov 5, 2020
Replies
32
Views
4K
Nov 11, 2020
KEEBZ489
K
N
Engine is overheating??
Niklaus
Jun 18, 2014
Replies
32
Views
9K
Jul 16, 2014
Mooseman
Gibson Single Swept Side Exhaust
Fen65
Jul 26, 2014
Replies
32
Views
3K
Sep 25, 2014
dmanns67
L
No oil pressure at idle
LawnRanger
Sep 8, 2012
Replies
32
Views
35K
Aug 6, 2018
Mooseman
Cam shaft
Traz
Jan 27, 2018
Replies
32
Views
13K
Feb 4, 2018
Reprise
Ebay CAI Thoughts?
PapaBear229
Mar 9, 2014
Replies
32
Views
2K
Mar 10, 2014
Blckshdw
Hole in motor? Engine upgrades?
GrizzlyDippah
Apr 20, 2014
Replies
31
Views
2K
May 24, 2014
GrizzlyDippah
J
4.2 timing chain
jener
Jul 31, 2016
Replies
31
Views
4K
Aug 8, 2023
mrrsm
R
NEED HELP
Need to replace 2006 4.2L
Ryan C
Oct 19, 2015
Replies
31
Views
3K
Dec 3, 2015
Ryan C
R
S
Piston slap or lifter
Stuntmanmike77
Dec 4, 2018
Replies
31
Views
5K
Oct 17, 2019
Stuntmanmike77
S
D
NEED HELP
SAIS pump problem
daisey
Aug 7, 2020
Replies
31
Views
3K
Aug 22, 2020
daisey
D
PCM Tune feedback....
Charley12
Jun 3, 2013
Replies
31
Views
3K
Jun 17, 2013
dmanns67
0
NEED HELP
New buy- rod knock
06'9-7x
Aug 10, 2019
Replies
31
Views
3K
Aug 14, 2019
gmcman
C
Engine sounds - rocks in a cup
coleman
Sep 24, 2015
Replies
31
Views
5K
Oct 23, 2015
dkvasnicka
torque
cubano1992
Jun 22, 2015
Replies
31
Views
2K
Jul 6, 2015
gmcman
B
what trips the "STOP ENGINE" display?
bspurloc
Dec 14, 2014
Replies
31
Views
2K
Dec 19, 2014
bspurloc
B
RPMs bouncing/Engine Pulsing
Cable810
Nov 17, 2012
Replies
31
Views
3K
Feb 2, 2013
Cable810
Blower almost stalls engine ?
Ghost
Jun 13, 2012
Replies
31
Views
3K
Jun 27, 2012
strat81
M
Opinions Wanted - 4.2 Cylinder Head
Manquesa
Jun 12, 2019
Replies
31
Views
5K
Sep 25, 2019
mrrsm
Which to Fix First...?
Freddy G.
Mar 12, 2012
Replies
30
Views
3K
Mar 18, 2012
RayVoy
B
front axle leak? oil?
bspurloc
Apr 8, 2015
Replies
30
Views
6K
Nov 29, 2016
jsheahawk
Coolant system failure spiral.
JayArr
Sep 28, 2020
Replies
30
Views
4K
Oct 5, 2020
Chemman
C
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Engine & Drivetrain
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