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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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38.9K
Horn dose not work
Thursday at 4:47 PM
Sqrly
Drivetrain
New
1.1K
13.3K
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1.1K
Posts
13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Apr 4, 2024
filthyfingers
Vortec 5.3L V8
New
393
5.2K
Threads
393
Posts
5.2K
Rate this Used Airfilter
Tuesday at 12:20 PM
christo829
LS2 6.0L V8
40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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R
04 trailblazer stalling
Rhino
Oct 8, 2012
Replies
6
Views
2K
Oct 9, 2012
Rhino
R
G
SOLVED!
04 Trailblazer battery light issue
gica
Sep 10, 2018
Replies
5
Views
4K
Apr 9, 2019
Hlewz3
H
G
04 TB EXT 4x4 problem. Same problem, but a couple other questions
glock35ipsc
Jan 24, 2014
Replies
31
Views
2K
Feb 1, 2014
freek245
F
04 tb 4.2 rough jolt when start or turn off.
04trailblazer1991
Jan 1, 2022
Replies
12
Views
1K
Jan 26, 2022
04trailblazer1991
E
04 into 07 engine swap
Emanuel Banda
May 18, 2021
Replies
1
Views
561
May 18, 2021
Mooseman
M
04 Envoy 4x4 lo won't disengage
MLB
Aug 13, 2012
Replies
7
Views
2K
Aug 15, 2012
BRomanJr
B
A
04 Chevy Trailblazer LT Rattle coming from passenger side
albsilk305
Aug 5, 2015
Replies
11
Views
4K
Aug 8, 2015
Mooseman
0
04 Chevy Trailblazer
04TBowner
Oct 16, 2014
Replies
34
Views
2K
Oct 26, 2014
04TBowner
0
M
03 Trailblazer No crank, No start
Mrautoserv72
Dec 19, 2020
Replies
2
Views
483
Dec 19, 2020
Mrautoserv72
M
03 trailblazer cranks but wont start
Bobbi wells
Jan 25, 2017
Replies
13
Views
11K
Feb 18, 2017
Denalli69
D
NEED HELP
03 sounds like its "dieseling"
redline customs
Aug 30, 2016
Replies
22
Views
5K
Sep 2, 2016
mrrsm
C
03 GMC Envoy 4.2L - Misfire- Replaced Spark Plugs now Engine knocking
coleash27
Dec 11, 2014
Replies
3
Views
7K
Dec 11, 2014
Mooseman
L
03 Envoy rattling in 2HI over 40mph
lschafroth
Mar 18, 2014
Replies
29
Views
3K
Jun 20, 2018
lschafroth
L
F
03 Envoy cranks but will not start
fastlane1801
Mar 15, 2014
Replies
11
Views
10K
Mar 16, 2014
IllogicTC
NEED HELP
02 Trailblazer Transmission Replacement Issues [Solved]
SmokeyMcBlazer
Dec 16, 2017
Replies
7
Views
2K
Dec 22, 2017
Mooseman
M
02 trailblazer ext front and rear wiper issues
mo_86_05
Jul 2, 2012
Replies
3
Views
1K
Jul 9, 2012
The_Roadie
S
02 trailblazer 4wd issues
stohlimann
Jan 19, 2014
Replies
9
Views
1K
Jan 21, 2014
The_Roadie
P
02 Trailblazer 4 wheel drive problem
Paul1958
Jan 27, 2013
Replies
13
Views
4K
Feb 6, 2013
Paul1958
P
02 TB SES Light on with 10 Codes
gruvedaddy
Mar 29, 2014
Replies
10
Views
2K
Apr 1, 2014
gruvedaddy
02 I6 no start help
danger
Apr 6, 2014
2
Replies
76
Views
4K
Apr 27, 2014
IllogicTC
S
02 envoy Transmission
Stunt_Dude
Jun 11, 2019
Replies
13
Views
2K
Mar 11, 2021
Reprise
A
02 envoy shutting off help!!
Abkc
Oct 14, 2013
Replies
9
Views
1K
Oct 15, 2013
Abkc
A
1
02 Bravada a/c compressor noise?
1978chevy4x4
Apr 21, 2013
Replies
4
Views
1K
Apr 22, 2013
meerschm
M
'06 Envoy 4.2: Crank but will not start
mlkmgr
Jun 1, 2014
Replies
21
Views
13K
Jul 13, 2014
PProph
C
'04 envoy "hums/whines" in 4wd
charlell8
Jan 23, 2015
Replies
16
Views
3K
Dec 24, 2015
rcam81
$1700 A/C quote to replace the evaporator under the dash
6716
May 26, 2021
Replies
16
Views
2K
Jul 6, 2021
6716
K
#1 cylinder not firing
krazykrames
Jun 24, 2017
Replies
10
Views
6K
Jul 16, 2017
krazykrames
K
"Service 4WD" after front disconnect install
gmcman
Jan 15, 2020
Replies
7
Views
1K
Jan 18, 2020
bfairweath
B
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