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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
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Runs rough couple miles after starting
Yesterday at 10:43 AM
MD_Envoy_Driver
LS2 6.0L V8
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839
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H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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R
Rainier is Stalling and has rough idle??
richbrown25
Aug 22, 2012
Replies
6
Views
7K
Sep 7, 2012
gmcman
0
Couple drivetrain and suspension questions
07_Envoy
Aug 20, 2012
Replies
10
Views
2K
Aug 22, 2012
The_Roadie
Keeping revs down - a good thing?
warriorpluto
Aug 18, 2012
Replies
15
Views
1K
Aug 20, 2012
dougman
D
Another oil question!!!
cchuffman
Aug 18, 2012
Replies
7
Views
1K
Aug 19, 2012
Denali n DOO
B
torque converter bolts
Babas11911
Aug 15, 2012
Replies
11
Views
2K
Aug 17, 2012
Babas11911
B
A
AC Condensor - Radiator Seal Question
AbsoluteZero
Aug 13, 2012
Replies
1
Views
878
Aug 17, 2012
AbsoluteZero
A
M
04 Envoy 4x4 lo won't disengage
MLB
Aug 13, 2012
Replies
7
Views
2K
Aug 15, 2012
BRomanJr
B
D
starter bolt nut size.
dp28688
Aug 9, 2012
Replies
0
Views
906
Aug 9, 2012
dp28688
D
SES Light P0420 - Need help diagnosing / replacement
mubai
Aug 8, 2012
Replies
8
Views
2K
Aug 9, 2012
MAY03LT
V
Water Pump
VoyDude
Aug 5, 2012
Replies
7
Views
1K
Aug 11, 2012
Wooluf1952
D
Closed Loop -one or two?
Duane357
Aug 4, 2012
Replies
2
Views
1K
Aug 5, 2012
Duane357
D
4.2L I6 Head Removal/Engine Restoration
OctaneRider03
Aug 1, 2012
9
10
11
12
13
Replies
490
Views
67K
Jan 28, 2013
OctaneRider03
A
Engine temp gauge moves up a couple of lines only
Ariel Guerra
Jul 26, 2012
Replies
9
Views
2K
Jul 28, 2012
CaptainXL
C
J
Blackstone Oil Analysis - Concerned
jemmie
Jul 25, 2012
Replies
6
Views
1K
Aug 1, 2012
seanpooh
Shimmy Shake at 75mph
CRAZYDAVE
Jul 23, 2012
Replies
10
Views
2K
Oct 26, 2012
camper1
C
Transmission Cooling line flush? Recommendations Please.
c good
Jul 22, 2012
Replies
7
Views
1K
Sep 15, 2012
WarGawd
Turning 170K and neary 10 years
floridafitz
Jul 21, 2012
Replies
4
Views
1K
Jul 24, 2012
BO TIE SS
B
Idle lopes, Rough Idle #3 cyl. misfire Please help!!
BlackoutTBEroc
Jul 19, 2012
Replies
10
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1K
Jul 21, 2012
BlackoutTBEroc
G
Different Parts - Weird
Gary M
Jul 16, 2012
Replies
20
Views
3K
Jul 20, 2012
Mooseman
P
Emissions Leak
Pakaea
Jul 16, 2012
Replies
4
Views
1K
Jul 18, 2012
Pakaea
P
ODB2 0332 - Knock Sensor 1 Circuit Low Input (Bank 2)
PBoneBallSack
Jul 3, 2012
Replies
5
Views
3K
Jul 3, 2012
MAY03LT
M
02 trailblazer ext front and rear wiper issues
mo_86_05
Jul 2, 2012
Replies
3
Views
1K
Jul 9, 2012
The_Roadie
J
Metal on metal grinding noise, louder on right curve/turn
jemmie
Jul 1, 2012
Replies
26
Views
15K
Jul 8, 2012
jemmie
J
Fuel leak from the top of the tank.
bore_pig
Jul 1, 2012
Replies
18
Views
5K
Oct 3, 2012
TonyT
T
M
PCMforless 4th of July Sale!!!!!
marshall@pcm
Jun 29, 2012
Replies
10
Views
1K
Jul 11, 2012
marshall@pcm
M
caliper painting + purpose of res
TexazReece
Jun 28, 2012
Replies
3
Views
1K
Jun 29, 2012
The_Roadie
A
P1484 Code- Any ideas?
armydad77632
Jun 27, 2012
Replies
5
Views
3K
Aug 13, 2012
cntinuum
C
Rear diff carrier bearings
gmac310
Jun 24, 2012
Replies
0
Views
882
Jun 24, 2012
gmac310
R
Oxygen sensor
Razorback
Jun 20, 2012
Replies
35
Views
5K
Jun 21, 2012
Fire06
F
G
reverse lights and camera, '08 TB
gippy1968
Jun 14, 2012
Replies
7
Views
1K
Jun 19, 2012
gippy1968
G
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