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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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R
Only 3000 miles on oil, but One year old. Change filter too?
Yesterday at 4:41 PM
Redbeard
Drivetrain
New
1.1K
13.3K
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1.1K
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13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Apr 4, 2024
filthyfingers
Vortec 5.3L V8
New
393
5.2K
Threads
393
Posts
5.2K
Rate this Used Airfilter
Yesterday at 12:20 PM
christo829
LS2 6.0L V8
40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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Upgrading to 4.10's
Pittdawg
Dec 18, 2011
Replies
29
Views
3K
Sep 14, 2012
Sparky
2
Which Mobil 1 Oil to Choose
2840Ryan
Dec 18, 2011
Replies
13
Views
2K
Feb 12, 2012
Mark20
How long will a trouble code stay in memory?
dag48066
Dec 20, 2011
Replies
4
Views
2K
Dec 21, 2011
AbsoluteZero
A
Don't stone me. 4wd questions
wiggles
Dec 20, 2011
Replies
16
Views
3K
Dec 21, 2011
RayVoy
S
Flickering Head lights and dome lights with engine running
sylvezter
Dec 21, 2011
Replies
11
Views
20K
May 16, 2018
georgel
G
W
Belt squeaking.
wagfam810
Dec 30, 2011
Replies
3
Views
2K
Dec 30, 2011
RayVoy
Getting rid of Intake resonator
03envoy
Dec 30, 2011
Replies
8
Views
3K
Jan 4, 2012
Trailshaman
Z
Vibrations and growling from Underneath!!!!
zamimj222
Jan 2, 2012
Replies
2
Views
1K
Jan 2, 2012
zamimj222
Z
Odd "pop" noise
Sn00kyCr00k
Jan 6, 2012
Replies
4
Views
1K
Feb 8, 2012
ElAviator72
E
GM Agrees to Pay for Faulty Gas Gauges Trailblazer/SS, Envoy and Renier
Aukland
Jan 13, 2012
Replies
5
Views
3K
Jan 13, 2012
SBUBandit
B
4WD Service Light - C0379 Code
Budmiester
Jan 15, 2012
Replies
10
Views
39K
Apr 14, 2020
MaxiVI
M
G
Replacing engine
Gibby
Jan 15, 2012
Replies
24
Views
6K
Jan 17, 2012
Gibby
G
V
Help diagnosing vibration from the front end which seems to increase over time
VILeninDM
Jan 15, 2012
Replies
8
Views
2K
Jan 26, 2012
VILeninDM
V
G
Newbe fuel leak issue
GonzoTB
Jan 16, 2012
Replies
7
Views
1K
Feb 15, 2013
BRomanJr
B
S
Gas Gauge Not Reading
schedebaby
Jan 16, 2012
Replies
9
Views
3K
May 20, 2014
JerryIrons
J
G
Poll
LS3 or L9H
Gibby
Jan 17, 2012
Replies
0
Views
3K
Jan 17, 2012
Gibby
G
E
RPM: How to increase?
edward
Jan 17, 2012
Replies
6
Views
2K
Jan 18, 2012
edward
E
Trans running too cool?
Spong
Jan 18, 2012
Replies
20
Views
6K
Feb 3, 2012
neelskit
can this part be deleted?
TB360
Jan 19, 2012
Replies
4
Views
1K
Jan 19, 2012
TB360
My mechanic says the 4x4 is not fully engaging.
GregT
Jan 19, 2012
Replies
2
Views
1K
Jan 19, 2012
GregT
U-Joints
HARDTRAILZ
Jan 20, 2012
Replies
7
Views
2K
Feb 18, 2012
gmcman
Wheel hop front right when in 4x4
GregT
Jan 21, 2012
Replies
2
Views
1K
Jan 21, 2012
GregT
4-Wheel drive not engaging properly?
miron
Jan 23, 2012
Replies
3
Views
1K
Jan 23, 2012
The_Roadie
P
Need help on replacing front differential on my 02 TB
prken
Jan 24, 2012
Replies
9
Views
7K
Jan 26, 2012
prken
P
L
2002 Bravada AWD not working.
lovesrugers
Jan 25, 2012
Replies
12
Views
12K
Feb 3, 2012
lovesrugers
L
A
Exhaust Mod/ Redo
andy702252
Jan 26, 2012
Replies
4
Views
1K
Jan 26, 2012
DJones
A
Time for performance
andy702252
Jan 26, 2012
2
Replies
45
Views
4K
Mar 2, 2012
sevendj
S
Strange noise in 4WD
northcreek
Jan 28, 2012
Replies
11
Views
3K
Feb 6, 2012
northcreek
A
What exhaust makes the 4.2 sound more like the 6.0
andy702252
Jan 31, 2012
2
Replies
46
Views
9K
Sep 17, 2021
CptFrito
C
A
What does changing t-stats do
andy702252
Jan 31, 2012
Replies
3
Views
1K
Feb 8, 2012
KNBlazer
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