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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
Yesterday at 11:06 PM
Stuntmanmike1977
Drivetrain
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Re-using Torque converters
Tuesday at 10:44 AM
JayArr
Vortec 5.3L V8
New
394
5.2K
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394
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5.2K
M
Runs rough couple miles after starting
Yesterday at 10:43 AM
MD_Envoy_Driver
LS2 6.0L V8
40
839
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40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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G
HPT or PCM4less
greekrockstar
Feb 26, 2012
Replies
18
Views
2K
Mar 4, 2012
greekrockstar
G
I
PCM, dealer says it's "broke" but everything works fine.
Integraoligist
Feb 28, 2012
Replies
12
Views
2K
Feb 28, 2012
Iahawkeye
M
rpm/voltmeter problem
mrm143
Feb 29, 2012
2
Replies
57
Views
4K
Mar 5, 2012
woody79
Please help! After replacing therm, truck starts, then dies and wont start!?
MedicatedMike
Mar 1, 2012
Replies
30
Views
3K
Mar 26, 2012
joe mama
J
2003 Envoy SLT I6 4.2 - Transmission Fluid & Filter Change
PBoneBallSack
Mar 8, 2012
Replies
13
Views
34K
Mar 19, 2012
playstrings
P
More Problems
cxkali
Mar 9, 2012
Replies
6
Views
1K
Mar 10, 2012
cxkali
European 5w-30 Motor oil in our trucks
03envoy
Mar 9, 2012
Replies
0
Views
774
Mar 9, 2012
03envoy
Can I Clean it with Carb Cleaner?
Freddy G.
Mar 10, 2012
Replies
8
Views
12K
Mar 10, 2012
JerryIrons
J
The saga of the T-stat (and other stories)
blazinlow89
Mar 10, 2012
Replies
4
Views
1K
Mar 10, 2012
TollKeeper
Transmission slip or clunk between first and second
Iahawkeye
Mar 11, 2012
Replies
7
Views
5K
Mar 14, 2012
seanpooh
4 Wheel Drive with mind of its own!?
MedicatedMike
Mar 11, 2012
Replies
16
Views
4K
Dec 28, 2013
Up And Down
U
Several Problem Codes!
MrDJ
Mar 14, 2012
Replies
4
Views
2K
Mar 14, 2012
MrDJ
Has Anyone bought the Magnaflow 23967 Direct Fit Cat. Conv. Before???
MedicatedMike
Mar 16, 2012
Replies
8
Views
2K
Mar 19, 2012
MedicatedMike
PCMForLess tune review
Lima Tango
Mar 16, 2012
Replies
7
Views
4K
Apr 25, 2012
03envoy
My efan setup (Montana/Venture efans)
Mooseman
Mar 19, 2012
2
Replies
79
Views
11K
Mar 3, 2014
Sparky
SCT SF3 Power Flash
etperez22
Mar 19, 2012
Replies
0
Views
889
Mar 19, 2012
etperez22
B
Gas tank
brettgf3
Mar 23, 2012
Replies
8
Views
2K
Mar 24, 2012
brettgf3
B
J
Fan Clutch going bad?
joe mama
Mar 26, 2012
Replies
11
Views
12K
Mar 30, 2012
scalawag
S
J
Cooling question
jd8181
Mar 27, 2012
Replies
28
Views
2K
Apr 5, 2012
David B.
0
Engine rough and misfire issues
02VOY
Apr 1, 2012
Replies
6
Views
2K
Apr 13, 2012
Ray Dockrey
R
B
tach problem
billy6351
Apr 1, 2012
Replies
5
Views
1K
Apr 1, 2012
Ace1875
B
HELP - TBSS Forum
Blazin02sTrail
Apr 2, 2012
Replies
8
Views
2K
Apr 3, 2012
Blazin02sTrail
B
A
Problems with oil pressure gauge TB 06
amfm
Apr 3, 2012
Replies
7
Views
1K
Apr 3, 2012
Mark20
J
What is your oil pressure??
jd8181
Apr 3, 2012
Replies
14
Views
4K
Apr 5, 2012
davenay67
M
PCMforless Easter Sale!!!!
marshall@pcm
Apr 5, 2012
2
Replies
50
Views
4K
Apr 18, 2012
DMD_TB
2
how often to change differential fluid?
2001FZ1
Apr 6, 2012
Replies
7
Views
4K
Apr 12, 2012
Black_tb
I
Preferred Transmission Fluid
Instrumental
Apr 6, 2012
Replies
29
Views
5K
Sep 4, 2012
Lima Tango
clicking sound near fan clutch
gkrenzer
Apr 7, 2012
Replies
7
Views
8K
Aug 23, 2012
n0kfb
M
P1482 Code- AFTER replacing Clutch fan
Mike
Apr 8, 2012
Replies
10
Views
25K
Nov 10, 2021
filthyfingers
R
Synthetic oil
roamingphantom
Apr 11, 2012
Replies
32
Views
3K
Apr 30, 2012
03envoy
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