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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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C
Life expectancy of timing chain, guides, and tensioner?
c good
Sep 2, 2021
Replies
6
Views
3K
Oct 14, 2021
Ilikemy3s
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
Exhaust guidance
Trekie47
Aug 19, 2021
Replies
12
Views
2K
Aug 28, 2021
Trekie47
J
Looking at a used '08, possible exhaust manifold leak?
joeredspecial
Aug 18, 2021
Replies
7
Views
2K
Mar 12, 2022
vipergg
V
Performing an Engine Swap in a 2007 Chevrolet Trailblazer
mrrsm
Aug 11, 2021
Replies
0
Views
3K
Aug 11, 2021
mrrsm
F
NEED HELP
02 Trailblazer LT Over heating
Fmechanic
Aug 9, 2021
Replies
6
Views
924
Aug 19, 2021
JayArr
T
Not firing
TBJENN
Aug 5, 2021
Replies
6
Views
958
Aug 6, 2021
mrrsm
R
No crank, no start
Rick
Aug 4, 2021
Replies
5
Views
1K
Aug 5, 2021
JerryIrons
J
H
Engine overheating
hugox_89
Aug 3, 2021
Replies
5
Views
2K
Aug 27, 2021
hugox_89
H
B
2006 i6 Upper engine noise, now have the head open
bac217
Aug 3, 2021
Replies
16
Views
2K
Aug 15, 2021
mrrsm
B
NEED HELP
Question?🤔
Bronsonc1856
Jul 30, 2021
Replies
4
Views
861
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
783
Jul 28, 2021
mrrsm
NEED HELP
Transmission shift linkage issues
littleblazer
Jul 28, 2021
Replies
7
Views
2K
Aug 3, 2021
Blckshdw
04 TRAILBLAZER 4.2 WONT REV PAST 3K?
Repairman77
Jul 22, 2021
Replies
16
Views
5K
Jul 27, 2021
mrrsm
C
Head bolt size tool
Cmfields81
Jul 16, 2021
Replies
12
Views
3K
Aug 11, 2021
TollKeeper
truck sometimes dies at the stoplight with the a/c on
6716
Jul 11, 2021
Replies
10
Views
2K
Aug 16, 2021
rchalmers3
R
D
2005 Trailblazer crank no start
Dheinen
Jul 11, 2021
Replies
19
Views
3K
Jul 13, 2021
mrrsm
P
Need help
Paul g
Jul 1, 2021
Replies
2
Views
977
Jul 1, 2021
mrrsm
J
NEED HELP
TrailBlazer 4.2 crank no start strange
Jakeleg223
Jun 30, 2021
Replies
6
Views
2K
Jul 1, 2021
Mooseman
0
Exhaust
07_Envoy
Jun 29, 2021
Replies
8
Views
1K
Jul 1, 2021
Tankcruiser
E
2004 Envoy squealing when up to speed, already replaced belt and tensioner
e-iowa-o
Jun 27, 2021
Replies
37
Views
4K
Jan 22, 2023
Billdaman1
B
J
Starts then turns off security light comes on
Johnstephens91
Jun 26, 2021
Replies
1
Views
630
Jun 26, 2021
TJBaker57
M
PCMofNC Swap - couple questions
Maverickxeo
Jun 20, 2021
Replies
8
Views
2K
Jun 23, 2021
niceguypmp3
N
O
source of rough idle and interpretation of live data
oldschoolby
Jun 17, 2021
Replies
4
Views
1K
Jun 17, 2021
budwich
B
P
P0305 error
PeachesSabrina
Jun 16, 2021
2
Replies
48
Views
6K
Jun 29, 2021
PeachesSabrina
P
NEED HELP
Best way to lock flywheel for harmonic balancer replacement.
Timber531
Jun 10, 2021
2
Replies
52
Views
7K
Aug 22, 2021
Mooseman
Corvette PWM Fans?
limequat
Jun 8, 2021
Replies
6
Views
2K
Jun 9, 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
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Engine & Drivetrain
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