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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?
Tuesday 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
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393
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5.2K
Rate this Used Airfilter
Tuesday 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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SCT SF3 Power Flash
etperez22
Mar 19, 2012
Replies
0
Views
888
Mar 19, 2012
etperez22
Has Anyone bought the Magnaflow 23967 Direct Fit Cat. Conv. Before???
MedicatedMike
Mar 16, 2012
Replies
8
Views
2K
Mar 19, 2012
MedicatedMike
2003 Envoy SLT I6 4.2 - Transmission Fluid & Filter Change
PBoneBallSack
Mar 8, 2012
Replies
13
Views
34K
Mar 19, 2012
playstrings
P
Several Problem Codes!
MrDJ
Mar 14, 2012
Replies
4
Views
2K
Mar 14, 2012
MrDJ
Transmission slip or clunk between first and second
Iahawkeye
Mar 11, 2012
Replies
7
Views
5K
Mar 14, 2012
seanpooh
The saga of the T-stat (and other stories)
blazinlow89
Mar 10, 2012
Replies
4
Views
1K
Mar 10, 2012
TollKeeper
More Problems
cxkali
Mar 9, 2012
Replies
6
Views
1K
Mar 10, 2012
cxkali
Can I Clean it with Carb Cleaner?
Freddy G.
Mar 10, 2012
Replies
8
Views
12K
Mar 10, 2012
JerryIrons
J
European 5w-30 Motor oil in our trucks
03envoy
Mar 9, 2012
Replies
0
Views
771
Mar 9, 2012
03envoy
F
PLX Kiwi?
Filter
Feb 4, 2012
Replies
11
Views
2K
Mar 9, 2012
jimmyjam
Urgent - Can I connect battery with PCM removed
Mark20
Feb 25, 2012
Replies
4
Views
1K
Mar 9, 2012
sevendj
S
M
rpm/voltmeter problem
mrm143
Feb 29, 2012
2
Replies
57
Views
4K
Mar 5, 2012
woody79
G
HPT or PCM4less
greekrockstar
Feb 26, 2012
Replies
18
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2K
Mar 4, 2012
greekrockstar
G
A
Time for performance
andy702252
Jan 26, 2012
2
Replies
45
Views
4K
Mar 2, 2012
sevendj
S
I
PCM, dealer says it's "broke" but everything works fine.
Integraoligist
Feb 28, 2012
Replies
12
Views
2K
Feb 28, 2012
Iahawkeye
Timing indicator
Mark20
Feb 25, 2012
Replies
0
Views
991
Feb 25, 2012
Mark20
I
Front Axle Seal, how to replace?
Integraoligist
Feb 22, 2012
Replies
8
Views
4K
Feb 24, 2012
Integraoligist
I
T
Engine Code Help
Troubleshooter
Feb 18, 2012
Replies
9
Views
4K
Feb 21, 2012
Chickenhawk
Front Diff shaft leak
Spong
Feb 20, 2012
Replies
5
Views
3K
Feb 20, 2012
Wyle
U-Joints
HARDTRAILZ
Jan 20, 2012
Replies
7
Views
2K
Feb 18, 2012
gmcman
New Serp belt, but still getting noise...
Voymom
Feb 9, 2012
2
Replies
41
Views
4K
Feb 16, 2012
Voymom
PCM install article question
TB360
Feb 16, 2012
Replies
6
Views
1K
Feb 16, 2012
Boricua SS
I
Transmission Shifting - Synthetic?
Instrumental
Feb 14, 2012
Replies
6
Views
1K
Feb 15, 2012
Sparky
X
Fuse to reset PCM
xtremeskier97
Feb 14, 2012
Replies
8
Views
13K
Feb 14, 2012
PProph
Pre-Lube System?
KHS
Feb 9, 2012
Replies
4
Views
1K
Feb 14, 2012
03envoy
2
Error code B0035?
2001FZ1
Feb 8, 2012
Replies
9
Views
3K
Feb 13, 2012
2001FZ1
2
M
fuel system
mnmray
Feb 11, 2012
Replies
2
Views
988
Feb 12, 2012
mnmray
M
2
Which Mobil 1 Oil to Choose
2840Ryan
Dec 18, 2011
Replies
13
Views
2K
Feb 12, 2012
Mark20
M
engine swap
mnmray
Feb 11, 2012
Replies
0
Views
1K
Feb 11, 2012
mnmray
M
I
Front Axle leaking something, and a loud droning noise.
Integraoligist
Feb 10, 2012
Replies
4
Views
1K
Feb 10, 2012
Integraoligist
I
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