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2002 - 2009 TrailBlazer/Envoy Tech
02-09 Vortec 4.2L I-6 Engine and Drivetrain
OEM Issues
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Sticky
Poor A/C at idle
Jman423
Jun 18, 2005
20
21
22
421
228K
Sep 9, 2020
by
Dieseldog
Oil Pan torque specs
DocZ28
Oct 12, 2009
5
9K
21 h ago
by
Ravalli Surfer
9
Lucas Oil
91xjfireman
Mar 28, 2008
13
4K
3 d ago
by
Steve 33
Low smooth idle and lights dim
tackk5
Jan 12, 2011
2
28
23K
4 d ago
by
Ravalli Surfer
Oil Leak... Front Diff, Surrounding Areas Soaked.
AC75TB07
Aug 4, 2020
2
33
5K
5 d ago
by
flyboy2610
N
08 TB Long crank time
Nimrod
8 d ago
7
129
6 d ago
by
chem_man
P0306 code changed coil,plug an injectors
dave89de
14 d ago
1
91
7 d ago
by
kanaikid619
Electronic Throttle body
yoits1986joe
11 d ago
11
393
7 d ago
by
Ravalli Surfer
F
Misfire on cylinder 1
Flava
2 mo ago
2
30
781
10 d ago
by
Ravalli Surfer
One more shot for p0170 and 04 blazer
04trlblz
20 d ago
12
382
13 d ago
by
rsdslp
Power steering line blew
Diamond193
24 d ago
10
344
17 d ago
by
alehandro
Snapped upper Thermostat bolt
WyoRedneck
24 d ago
11
331
20 d ago
by
2002 TB LS
C
Clutch Fan
cervodro
Jul 11, 2011
11
1K
22 d ago
by
Ravalli Surfer
M
TSB 10009945
Mhahnster
29 d ago
0
130
29 d ago
by
Mhahnster
Po300 code 02 envoy 4.2l. 4x4
Wonderbread6669
1 mo ago
17
339
1 mo ago
by
chem_man
PCV port clogged!
jwthompson21
Jan 21, 2009
2
3
47
21K
1 mo ago
by
Ravalli Surfer
Front crank oil seal size.
joric
1 mo ago
3
120
1 mo ago
by
Ravalli Surfer
Engine runs, but won’t drive
Crawford842
1 mo ago
2
31
977
1 mo ago
by
vansmack
B
help w/ oil pan removal
blackcar
Jul 4, 2011
11
32K
1 mo ago
by
chem_man
4L60E issues
snewvine
Jul 25, 2015
15
5K
1 mo ago
by
Ravalli Surfer
Won't Start or Crank - Good Battery
CoryellSP
Feb 8, 2012
2
31
91K
2 mo ago
by
geasl73
misfire but no code
shnbtlr
2 mo ago
2
3
48
1K
2 mo ago
by
Ravalli Surfer
R
2005 Trailblazer Rear Hatch Issues
rkehoe99
2 mo ago
2
211
2 mo ago
by
Ravalli Surfer
G
Transmission Issue This Is A Good One?
Gearheadmike
2 mo ago
16
727
2 mo ago
by
Ravalli Surfer
02 onvoy
Brian89
2 mo ago
1
129
2 mo ago
by
Ravalli Surfer
D
Transmission pump issues?
Dr Fildo
Feb 16, 2011
8
13K
2 mo ago
by
Ravalli Surfer
B
starts, but no throttle response at all... HELP!!
boone82
Oct 25, 2007
11
33K
2 mo ago
by
Ravalli Surfer
OBD 0411 on 2007 Trailblazer stumped
phild43
3 mo ago
14
591
2 mo ago
by
Ravalli Surfer
08 p0449
Tkaun524
2 mo ago
12
319
2 mo ago
by
autojoe
Misfiring HELP
SeveLampley
4 mo ago
2
3
4
63
2K
2 mo ago
by
Craftaddict
B
Burning smell after hill climb
Brantman1
3 mo ago
6
216
3 mo ago
by
Ravalli Surfer
W
[SOLVED]
P0411 Code
woody79
Oct 27, 2011
2
33
63K
3 mo ago
by
phild43
B
change a coil pack blow a coil pack
blainenbecky
Mar 10, 2013
3
4K
3 mo ago
by
Schurkey
0
[SOLVED]
Trailblazer stalls at idle when defrost or A/C turns on
04TBStephanie
Jan 21, 2010
2
34
120K
3 mo ago
by
chem_man
4
Battery dead---Air Injection Pump issues-help
40trailblazer
May 10, 2009
12
3K
3 mo ago
by
TJBaker
N
06 Fuel tank EVAP CEL help please
NotABigChevyFan
Nov 7, 2011
7
6K
3 mo ago
by
talenarhoades
1
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Ravalli Surfer
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02-09 Vortec 4.2L I-6 Engine and Drivetrain
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