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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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PO442
Today at 7:50 PM
Aroc
Drivetrain
New
1.1K
13.4K
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1.1K
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13.4K
2005 Envoy Transmission connector Pinout?
Today at 12:01 PM
JayArr
Vortec 5.3L V8
394
5.2K
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394
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5.2K
0
Runs rough couple miles after starting
May 10, 2024
04envoyxlv8
LS2 6.0L V8
40
839
Threads
40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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Why change synthetic oil every 3,000 miles?
C-ya
Nov 1, 2012
2
Replies
64
Views
6K
Feb 14, 2013
Sparky
Problem With Gas Gauge
amweaver47
Jan 30, 2013
Replies
12
Views
1K
Feb 10, 2013
Wex
W
T
Remove/disable TCCM without Service 4WD/AWD light
timg
Feb 10, 2013
Replies
7
Views
4K
Feb 10, 2013
timg
T
C
2006 4.2 Trailblazer Engine noise/knocking - VIDEO and SOUND
CASHKJ
Feb 9, 2013
Replies
4
Views
2K
Feb 10, 2013
gmcman
C
Time to lube some stuff...
CaptainXL
Feb 8, 2013
Replies
0
Views
795
Feb 8, 2013
CaptainXL
C
H
cutting out at idle with compressor
htseat2000
Feb 5, 2013
Replies
9
Views
997
Feb 8, 2013
mrphoenix80
M
3
removal of front diff
3258
Jan 14, 2013
Replies
15
Views
2K
Feb 7, 2013
The_Roadie
P
02 Trailblazer 4 wheel drive problem
Paul1958
Jan 27, 2013
Replies
13
Views
4K
Feb 6, 2013
Paul1958
P
J
Chirping noise that goes away in 4 wheel drive...
joemcc
Jan 4, 2013
Replies
8
Views
2K
Feb 2, 2013
joemcc
J
T
Power Steering Fluid Color
TNEnvoyXL
Jan 27, 2013
Replies
7
Views
2K
Jan 30, 2013
TNEnvoyXL
T
Replaced Plugs, check out the oil and odd plug number...
Robbabob
Jan 19, 2013
Replies
16
Views
2K
Jan 29, 2013
mrphoenix80
M
A
Hesitation/stumble at 50 mph fixed by racing engine on highway but new sound
Ariel Guerra
Jan 16, 2013
Replies
14
Views
1K
Jan 28, 2013
BuckeyeEvan
K
Changing Air filter
kjkim93
Jan 27, 2013
Replies
6
Views
1K
Jan 28, 2013
kjkim93
K
4.2L I6 Head Removal/Engine Restoration
OctaneRider03
Aug 1, 2012
9
10
11
12
13
Replies
490
Views
68K
Jan 28, 2013
OctaneRider03
Steering wheel position sensor
steveo67
Jan 27, 2013
Replies
6
Views
4K
Jan 28, 2013
jason43080
AC Condensation Drainage tube
Shana7711
Jan 23, 2013
Replies
4
Views
4K
Jan 23, 2013
Shana7711
F
Rear End Fill plug
fredhouse
Nov 28, 2012
Replies
9
Views
2K
Jan 23, 2013
Wooluf1952
H
2006 Trailblazer LT transfer case encoder motor install question
Holmes89d
Jan 7, 2013
Replies
1
Views
1K
Jan 20, 2013
esbob
E
CV Shaft Stuck In Disconnect...
keepontruckin
Jan 18, 2013
Replies
5
Views
1K
Jan 20, 2013
Opeth
A
Engine double shifts sometimes when flooring gas pedal
Ariel Guerra
Jan 17, 2013
Replies
8
Views
1K
Jan 17, 2013
ScarabEpic22
J
High pitch ATF grinding sound when cold shifting from 2nd to 3rd gear
jemmie
Dec 25, 2012
Replies
12
Views
1K
Jan 16, 2013
Bartonmd
belt tensioner assembly
floridafitz
Jan 12, 2013
Replies
13
Views
2K
Jan 16, 2013
meerschm
C
2006 poor cold starting in cold weather, p0300 obc runs fine when warm
cbduffeck
Jan 6, 2013
Replies
13
Views
2K
Jan 11, 2013
cbduffeck
C
Exhaust mod?Maybe glasspack
trailblazin06
Jan 8, 2013
Replies
3
Views
1K
Jan 8, 2013
NewfieEnvoy
A
Noise when moving (possible wheel bearing)/Traction control and 4x4 light.
acpowell
Jan 7, 2013
Replies
2
Views
948
Jan 7, 2013
acpowell
A
K
Switching to 4Hi
kmanz1
Jan 1, 2013
Replies
8
Views
1K
Jan 3, 2013
kmanz1
K
Thinkin about doing a repair
03luvvoy
Dec 30, 2012
Replies
7
Views
1K
Jan 2, 2013
JCJARHEAD
J
O
Unusual Transmission Problem -Fixed
OldSVTGuy
Jan 1, 2013
Replies
2
Views
1K
Jan 1, 2013
OldSVTGuy
O
J
Driveline yoke - off 180° cause vibration?
joemcc
Dec 31, 2012
Replies
1
Views
841
Dec 31, 2012
The_Roadie
B
Servo Question..
buster04
Dec 29, 2012
Replies
1
Views
889
Dec 30, 2012
Black LT
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