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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Need wrench sizes
Stuntmanmike1977
Mar 18, 2022
Replies
2
Views
926
Jun 21, 2022
rchalmers3
R
S
Wheel play
Stuntmanmike1977
May 31, 2022
Replies
4
Views
1K
Jun 6, 2022
Stuntmanmike1977
S
Starts but dies right away
egeekiel
Jul 5, 2018
Replies
30
Views
24K
Jun 3, 2022
Luvfixnjunk
L
IDing P12 Processor, anybody work at Delphi?
limequat
Jan 12, 2013
Replies
8
Views
4K
May 14, 2022
darkman5001
D
S
Rotting away
Stuntmanmike1977
May 9, 2022
Replies
1
Views
860
May 9, 2022
Mooseman
Video: Atlas engine teardown
TollKeeper
May 8, 2022
Replies
1
Views
1K
May 8, 2022
Mooseman
T
NEED HELP
"Top End Soak" ... question
TequilaWarrior
Apr 29, 2022
Replies
11
Views
6K
May 3, 2022
TollKeeper
S
Dipstick tubes help
Stuntmanmike1977
Apr 30, 2022
Replies
4
Views
1K
May 3, 2022
TequilaWarrior
T
C
New Intermediate Shaft Bearing Sounds & Feels Dry
coh998
Apr 28, 2022
Replies
9
Views
1K
May 2, 2022
coh998
C
S
Trans. line bracket
Stuntmanmike1977
May 1, 2022
Replies
1
Views
611
May 1, 2022
Stuntmanmike1977
S
K
NEED HELP
2008 Trailblazer No Spark
kw1hf
Apr 21, 2022
Replies
13
Views
2K
Apr 29, 2022
budwich
B
T
Slow fuel fill, Gas smell. No codes.
tucker12
Apr 3, 2022
Replies
5
Views
2K
Apr 21, 2022
Schurkey
SOLVED!
code P0300. What to do next?
mark'stb
Mar 12, 2022
Replies
36
Views
7K
Apr 6, 2022
flyboy2610
C
When should I add Marvel Myster Oil or ATF to the oil.....want to do some add'l cleansing....
c good
Apr 5, 2022
Replies
3
Views
845
Apr 5, 2022
Ilikemy3s
R
RPM's
retiredcopper
Feb 27, 2022
Replies
36
Views
3K
Mar 28, 2022
retiredcopper
R
C
Oil swap to help with piston slap?
c good
Feb 14, 2022
Replies
9
Views
3K
Mar 14, 2022
TollKeeper
J
Looking at a used '08, possible exhaust manifold leak?
joeredspecial
Aug 18, 2021
Replies
7
Views
2K
Mar 12, 2022
vipergg
V
D
NEED HELP
Wiring diagram & pinout chart .
D.L.G.
Mar 11, 2022
Replies
2
Views
4K
Mar 12, 2022
mrrsm
R
Remove and Replace 4.2, 2003 Trailblazer 4wd
rafterk
Feb 9, 2022
Replies
9
Views
5K
Mar 4, 2022
rafterk
R
NEED HELP
Fuel pump relay
WhiteWolf
Mar 1, 2022
Replies
3
Views
757
Mar 2, 2022
WhiteWolf
Information on Unique GM 4.2L LL8 Engine Fasteners
mrrsm
Mar 1, 2022
Replies
0
Views
1K
Mar 1, 2022
mrrsm
M
08’ trail blazer no crank no start
Mattb.
Mar 1, 2022
Replies
1
Views
2K
Mar 1, 2022
Mooseman
C
Do I really need 60 oz of AC Delco T.E.C.?
c good
Feb 26, 2022
Replies
0
Views
629
Feb 26, 2022
c good
C
Removing Secondary Air Injection System
SBUBandit
May 21, 2012
2
3
Replies
90
Views
40K
Feb 20, 2022
Mooseman
Changing spark plugs.
LouisTB
Apr 19, 2016
Replies
37
Views
6K
Feb 20, 2022
Brian K
B
I need help REALLY bad!
WeaponX
Feb 12, 2022
Replies
11
Views
2K
Feb 13, 2022
Mooseman
B
2004 envoy 4.2 help me find this noise .
Ben4.2
Jan 29, 2022
Replies
10
Views
2K
Jan 31, 2022
Ben4.2
B
C
Radiator spring clamps
ComputernerdBD
Jul 12, 2018
Replies
12
Views
3K
Jan 21, 2022
Mooseman
Need advice please on RTV
jmonica
May 18, 2021
Replies
12
Views
2K
Jan 21, 2022
matermark
B
SOLVED!
P0017 Assistance
Brimmy
Sep 6, 2021
Replies
18
Views
7K
Jan 20, 2022
mrrsm
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