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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Transmission fluid capacity
KNBlazer
Jul 21, 2013
Replies
10
Views
28K
Jul 25, 2013
triz
Heavy white smoke after long idle
Robbiec16
Dec 19, 2015
Replies
19
Views
28K
Jan 27, 2016
Mooseman
Oil Pressure Problems, and Possible Oil Pressure Switch Replacement?
zsiya
Apr 6, 2014
Replies
36
Views
27K
Jun 8, 2014
04TBlazerLS
0
P1400 Code?
MrDJ
Feb 6, 2012
Replies
10
Views
26K
Aug 1, 2012
The_Roadie
'06 4.2L-Filthy oil inside air plenum.
stvrob
Jan 19, 2016
Replies
38
Views
25K
Dec 26, 2021
59840Surfer
G
Need Help With Stripped Coil Pack Retaining Bolt Insert
goose814
Apr 12, 2014
Replies
15
Views
25K
May 11, 2020
mrrsm
T
Rear differential walmart gear oil good or no
TByuri
Feb 26, 2014
Replies
27
Views
25K
Mar 6, 2014
CaptainXL
C
Starts but dies right away
egeekiel
Jul 5, 2018
Replies
30
Views
24K
Jun 3, 2022
Luvfixnjunk
L
T
sway end links affects alignment?
TByuri
Mar 19, 2014
Replies
3
Views
24K
Mar 19, 2014
HARDTRAILZ
horrible mpg and weird idle drop
Gerbil21
Aug 11, 2014
4
5
6
7
8
Replies
294
Views
23K
Jan 24, 2016
Gerbil21
Can a 5 mm shorter serpentine belt cause problems?
dkvasnicka
Sep 15, 2015
Replies
19
Views
22K
Sep 21, 2016
mrrsm
M
Coolant thermostat/temp questions
Marksman762
Dec 11, 2013
2
Replies
69
Views
22K
Mar 30, 2014
jes1888
J
M
oil pressure sensor or oil level sensor
mrjean
Jan 6, 2014
Replies
15
Views
22K
Feb 24, 2014
mrjean
M
Q
2002 chevy trailblazer wont turn over or start
quearry78
Aug 9, 2014
Replies
19
Views
22K
Jun 7, 2015
brooklyn07tb
B
H
P0300 code only
H2Oboy
May 4, 2014
Replies
21
Views
22K
May 11, 2014
H2Oboy
H
S
P0300 code with flashing SES light
signalnc
Dec 28, 2012
Replies
15
Views
22K
Jan 4, 2013
Wooluf1952
Supersparkz
07Blazerman
Dec 9, 2011
2
3
Replies
106
Views
21K
Feb 7, 2019
Blckshdw
8
coolant drain and refill vs flush system
808trailblazer
Oct 31, 2013
2
Replies
44
Views
21K
Mar 10, 2014
jes1888
J
Cracked Exhaust Manifold
lmcree
Apr 20, 2013
2
Replies
59
Views
21K
Feb 13, 2023
mrrsm
F
Water Sitting In Sparkplug Holes
Fire06
Jun 21, 2012
Replies
14
Views
21K
Feb 26, 2014
CaptainXL
C
S
What is this connection? (top front of Intake Manifold)
SB_Pete
Nov 24, 2015
Replies
14
Views
21K
Nov 26, 2015
SB_Pete
S
F
Help removing oil pan, what am I doing wrong?
fferd
Oct 19, 2012
Replies
10
Views
21K
Oct 19, 2012
fferd
F
M
Woke up today & P1345!
MichEnvoyGuy
Feb 19, 2012
2
Replies
67
Views
20K
Mar 6, 2014
IllogicTC
R
Spark plug gap
rtliquid
Aug 24, 2015
Replies
5
Views
20K
Aug 24, 2015
Mooseman
Locked
Let the fun begin...pulled the head on my 4.2L
midnightbluS10
Feb 18, 2017
2
3
4
Replies
135
Views
20K
Jul 20, 2018
Mooseman
B
Transfer case fluid change
B33p3r
Jul 6, 2014
Replies
28
Views
20K
Sep 2, 2014
Hatchet
C
SOLVED!
Fuse 28 PCM-1 blows randomly
c good
Mar 15, 2018
2
3
4
Replies
156
Views
20K
Oct 5, 2022
rolo95
G
2007 Trailblazer w/ LL8 - P0418 - Secondary Air Injection (AIR) Pump Relay Control
griffincox
Nov 25, 2013
Replies
9
Views
20K
Nov 27, 2013
griffincox
G
04 Rainier Binding/Vibration during slow speed turns
jeffro312
Oct 4, 2012
2
Replies
48
Views
19K
Feb 8, 2013
mrphoenix80
M
How-To: Power Steering Pump Replacement
fishsticks
Dec 7, 2011
Replies
11
Views
19K
Feb 22, 2020
xavierny25
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