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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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NEED HELP
Surging or lunging
John Koda
Oct 3, 2021
Replies
3
Views
819
Oct 3, 2021
John Koda
J
Exhaust
Jbulldawg86
Sep 12, 2021
Replies
2
Views
987
Sep 13, 2021
Jbulldawg86
J
R
Crank no start
Rick
Sep 11, 2021
Replies
5
Views
1K
Sep 11, 2021
Rick
R
AC Compressor bypass
Trekie47
Sep 10, 2021
Replies
3
Views
1K
Sep 10, 2021
Trekie47
M
blower won't turn off
Msb7800
Sep 8, 2021
Replies
2
Views
830
Sep 8, 2021
Mooseman
Z
NEED HELP
05 Trailblazer Fuel Gauge Problem. Bad PCM?
Zmoney
Jun 4, 2021
2
3
Replies
85
Views
7K
Sep 8, 2021
Mramses
M
M
NEED HELP
Oil dipstick measurement
Mramses
Sep 2, 2021
Replies
10
Views
2K
Sep 4, 2021
flyboy2610
P
Code P0420
pell
Aug 28, 2021
Replies
4
Views
1K
Sep 4, 2021
pell
P
M
SOLVED!
P0013 engine turn off
Mramses
Sep 2, 2021
Replies
1
Views
1K
Sep 3, 2021
Mooseman
S
P0171
steve-in-ga
May 16, 2014
Replies
21
Views
18K
Sep 1, 2021
mrrsm
Exhaust guidance
Trekie47
Aug 19, 2021
Replies
12
Views
2K
Aug 28, 2021
Trekie47
H
Engine overheating
hugox_89
Aug 3, 2021
Replies
5
Views
2K
Aug 27, 2021
hugox_89
H
NEED HELP
Best way to lock flywheel for harmonic balancer replacement.
Timber531
Jun 10, 2021
2
Replies
52
Views
7K
Aug 22, 2021
Mooseman
F
NEED HELP
02 Trailblazer LT Over heating
Fmechanic
Aug 9, 2021
Replies
6
Views
887
Aug 19, 2021
JayArr
truck sometimes dies at the stoplight with the a/c on
6716
Jul 11, 2021
Replies
10
Views
2K
Aug 16, 2021
rchalmers3
R
B
2006 i6 Upper engine noise, now have the head open
bac217
Aug 3, 2021
Replies
16
Views
2K
Aug 15, 2021
mrrsm
Performing an Engine Swap in a 2007 Chevrolet Trailblazer
mrrsm
Aug 11, 2021
Replies
0
Views
3K
Aug 11, 2021
mrrsm
C
Head bolt size tool
Cmfields81
Jul 16, 2021
Replies
12
Views
2K
Aug 11, 2021
TollKeeper
T
Not firing
TBJENN
Aug 5, 2021
Replies
6
Views
929
Aug 6, 2021
mrrsm
R
No crank, no start
Rick
Aug 4, 2021
Replies
5
Views
1K
Aug 5, 2021
JerryIrons
J
NEED HELP
Transmission shift linkage issues
littleblazer
Jul 28, 2021
Replies
7
Views
2K
Aug 3, 2021
Blckshdw
B
NEED HELP
Question?🤔
Bronsonc1856
Jul 30, 2021
Replies
4
Views
848
Aug 3, 2021
Mektek
M
C
Misfire
Chevychic
Jul 30, 2021
Replies
4
Views
1K
Aug 2, 2021
JerryIrons
J
Fuel guage.
Dubchevy74
Jul 28, 2021
Replies
3
Views
762
Jul 28, 2021
mrrsm
04 TRAILBLAZER 4.2 WONT REV PAST 3K?
Repairman77
Jul 22, 2021
Replies
16
Views
5K
Jul 27, 2021
mrrsm
R
ARP hardware for the LL8
rchalmers3
Apr 15, 2021
Replies
22
Views
3K
Jul 26, 2021
rchalmers3
R
L
PCM I fuse keeps blowing (#28), maybe a bad ground?
lookin4luey
Jan 24, 2018
Replies
21
Views
7K
Jul 22, 2021
c good
C
D
2005 Trailblazer crank no start
Dheinen
Jul 11, 2021
Replies
19
Views
3K
Jul 13, 2021
mrrsm
J
NEED HELP
TrailBlazer 4.2 crank no start strange
Jakeleg223
Jun 30, 2021
Replies
6
Views
2K
Jul 1, 2021
Mooseman
P
Need help
Paul g
Jul 1, 2021
Replies
2
Views
949
Jul 1, 2021
mrrsm
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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