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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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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
J
P0017 code and Knocking. Need help with next steps.
jasonmesq
Oct 25, 2021
Replies
4
Views
3K
Jan 20, 2022
mrrsm
R
Throttle body swap
retiredcopper
Jan 18, 2022
Replies
10
Views
2K
Jan 19, 2022
Mooseman
J
NEED HELP
02 envoy rep
Jrob21
Jan 17, 2022
Replies
15
Views
2K
Jan 18, 2022
Mooseman
L
NEED HELP
2002 GMC envoy won't start
loopdawg111
Jan 15, 2022
Replies
3
Views
1K
Jan 16, 2022
59840Surfer
R
Evap
retiredcopper
Jan 9, 2022
Replies
3
Views
688
Jan 16, 2022
JerryIrons
J
Get to work on my first 4.2!
TollKeeper
Oct 15, 2021
Replies
19
Views
2K
Jan 8, 2022
59840Surfer
K
Won't start
kw1hf
Dec 28, 2021
Replies
12
Views
2K
Jan 7, 2022
mrrsm
SOLVED!
Crank no start when rains
Ilikemy3s
Jan 2, 2022
Replies
12
Views
2K
Jan 7, 2022
Ilikemy3s
0
04 trailblazer lt 4.2 2wd PLEASE HELP P0016
04tblt
Dec 6, 2021
Replies
6
Views
4K
Jan 5, 2022
04tblt
0
'06 4.2L-Filthy oil inside air plenum.
stvrob
Jan 19, 2016
Replies
38
Views
25K
Dec 26, 2021
59840Surfer
Service stabilitrak
Dmflash
Dec 25, 2021
Replies
6
Views
1K
Dec 26, 2021
Mooseman
G
04 Bravada random misfire keeps coming back
gladesteen
Dec 20, 2021
Replies
38
Views
3K
Dec 22, 2021
gladesteen
G
Does anyone know the trigger temperatures for the Fan clutch?
zaid3ssaf
Dec 14, 2021
Replies
15
Views
1K
Dec 20, 2021
aaserv
R
Plugs
retiredcopper
Dec 17, 2021
Replies
2
Views
714
Dec 17, 2021
retiredcopper
R
J
No power to one side of fuse 47
Jai_P
Dec 16, 2021
Replies
2
Views
956
Dec 16, 2021
mrrsm
D
Issue With Spark Plugs
dclark369
Dec 11, 2021
Replies
7
Views
1K
Dec 11, 2021
TequilaWarrior
T
J
PCM swap trailblazer
Josh2008tb
Nov 30, 2021
Replies
3
Views
2K
Dec 11, 2021
rchalmers3
R
D
Missing Bolt for My Radiator Fan
dclark369
Dec 11, 2021
Replies
7
Views
2K
Dec 11, 2021
rchalmers3
R
J
Remanufactured Engine or Not? Need Reality Check!
Joseph Fallon
Oct 31, 2021
Replies
19
Views
3K
Dec 6, 2021
limequat
Help to identify top end noise
gmcman
Mar 7, 2019
2
3
Replies
117
Views
13K
Dec 5, 2021
mrrsm
C
Tccm easy fix 02 envoy
cobblershelli
Nov 19, 2021
Replies
3
Views
951
Nov 26, 2021
Mektek
M
P
NEED HELP
Shifting problems
pell
Nov 25, 2021
Replies
0
Views
711
Nov 25, 2021
pell
P
T
Power steering bubbles
Truckerchaz
Nov 17, 2021
Replies
8
Views
1K
Nov 18, 2021
Mooseman
K
Rebuild Fan Clutch
kakacookhe
Nov 13, 2021
Replies
12
Views
2K
Nov 14, 2021
budwich
B
Begging for help on finding correct parts PLEASE?
jmonica
Oct 30, 2021
Replies
11
Views
1K
Nov 3, 2021
JerryIrons
J
Weird "Engine Knock" Diagnostic Technique
mrrsm
Oct 30, 2021
Replies
0
Views
736
Oct 30, 2021
mrrsm
F
Dreaded Knocking Noise 2008 GMC Envoy 4.2L I6 220k miles
Furious92
Oct 14, 2021
Replies
20
Views
8K
Oct 25, 2021
Furious92
F
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Engine & Drivetrain
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