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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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PO442
33 minutes ago
Aroc
Drivetrain
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2005 Envoy Transmission connector Pinout?
Yesterday at 12:01 PM
JayArr
Vortec 5.3L V8
394
5.2K
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394
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0
Runs rough couple miles after starting
May 10, 2024
04envoyxlv8
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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Battery light on
JimCshoe
Sep 2, 2013
Replies
9
Views
1K
Sep 11, 2013
MAY03LT
Engine Dress up!
CDJuda
Jun 8, 2013
Replies
13
Views
1K
Sep 9, 2013
Blckshdw
E
2004 trailblazer problems.
evant999
Sep 7, 2013
Replies
3
Views
1K
Sep 7, 2013
tblazerdude
P
new resonator, new hissing exhaust sound
pgibbzz
Aug 28, 2013
Replies
19
Views
3K
Sep 7, 2013
Showtyme
Son of a P1682
TexazReece
Sep 5, 2013
Replies
4
Views
917
Sep 7, 2013
djthumper
C
leaking tranny fluid
chrisN
Sep 6, 2013
Replies
3
Views
1K
Sep 7, 2013
chrisN
C
Sprint Booster
Pittdawg
Sep 4, 2013
Replies
7
Views
1K
Sep 6, 2013
Wooluf1952
D
drive train components
davids_1718
Sep 4, 2013
Replies
2
Views
882
Sep 6, 2013
dfc739
S
Rough idle / Engine Dying and Low Oil Pressure Warning
StormPursuit
Sep 2, 2013
Replies
11
Views
7K
Sep 3, 2013
CaptainXL
C
X
Weird error codes
xj2202009
Sep 27, 2012
Replies
20
Views
2K
Sep 2, 2013
xj2202009
X
J
2003 TB thermostat
JimCshoe
Sep 1, 2013
Replies
5
Views
905
Sep 1, 2013
meerschm
J
Jiffy tite connectors
JimCshoe
Aug 31, 2013
Replies
3
Views
806
Aug 31, 2013
blazinlow89
T
Water Pump - Roaring noise from fan
tbags4ever
Aug 31, 2013
Replies
2
Views
941
Aug 31, 2013
Mooseman
Anyone used automotix.net?
Shdwdrgn
Aug 26, 2013
Replies
8
Views
1K
Aug 31, 2013
Shdwdrgn
please advise, change oil light.
joepro17
Aug 20, 2013
Replies
27
Views
2K
Aug 23, 2013
Mark20
D
where is the Idle air control valve on 04 envoy
dazingla
Aug 22, 2013
Replies
6
Views
9K
Aug 23, 2013
gmcman
C
trailblazer shuts off at a stop...
chevyfan77
Aug 22, 2013
Replies
1
Views
819
Aug 22, 2013
The_Roadie
J
Engine Compatibility
jlahood
Dec 12, 2012
Replies
3
Views
1K
Aug 22, 2013
04GREENZ71
0
Collapsed Radiator Hoses
DJones
Aug 15, 2013
Replies
14
Views
4K
Aug 21, 2013
DJones
Propylene Glycol Engine Coolant with Poly Organic Acid Technology
DJones
Aug 18, 2013
Replies
2
Views
3K
Aug 19, 2013
DJones
SOMETHING Just blew...
DenaliHD66
Jun 24, 2013
2
3
Replies
116
Views
7K
Aug 19, 2013
DenaliHD66
Engine surging while cruising at low speeds.
DenaliHD66
Aug 17, 2013
Replies
6
Views
872
Aug 19, 2013
DenaliHD66
D
Regular or synthetic oil what do you guys think
dazingla
Jul 25, 2013
Replies
30
Views
7K
Aug 15, 2013
HARDTRAILZ
thump sound/ jolt after stopping
jpinoy
Aug 9, 2013
Replies
10
Views
2K
Aug 12, 2013
jpinoy
S
Code p0495
Southernboy08
Aug 7, 2013
Replies
5
Views
3K
Aug 9, 2013
Mooseman
Engine Braking?
CDJuda
Aug 7, 2013
Replies
19
Views
1K
Aug 9, 2013
AtlWrk
T
Where did GM Hide the 05-on Fuel Pressure regulator on the Trailblazers?
Tmn8tr
Aug 6, 2013
Replies
4
Views
1K
Aug 7, 2013
BRomanJr
B
5.3L O2 Sensors
roadmaven
Aug 5, 2013
Replies
4
Views
987
Aug 6, 2013
RayVoy
Code p0101?
Canary2323
Aug 2, 2013
Replies
6
Views
1K
Aug 4, 2013
djthumper
P
heat shield rattling
pgibbzz
Aug 2, 2013
Replies
0
Views
666
Aug 2, 2013
pgibbzz
P
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