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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
New
2.5K
38.9K
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2.5K
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38.9K
Horn dose not work
Yesterday at 4:47 PM
Sqrly
Drivetrain
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1.1K
13.3K
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1.1K
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13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Apr 4, 2024
filthyfingers
Vortec 5.3L V8
New
393
5.2K
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393
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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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Confirmed: Clearing codes re-enables Cruise Control
RiverGuy
Aug 3, 2023
Replies
4
Views
789
Oct 14, 2023
AmpOverload
A good place to get a CAT and exhaust that doesn’t cost an arm
WeaponX
Aug 29, 2019
Replies
2
Views
787
Aug 29, 2019
WeaponX
C
Time to lube some stuff...
CaptainXL
Feb 8, 2013
Replies
0
Views
786
Feb 8, 2013
CaptainXL
C
below regulated operating temp
MikesTB
Mar 26, 2013
Replies
3
Views
785
Mar 26, 2013
v7guy
V
D
Is my chain loose (p1345)
dkspa7
Mar 9, 2019
Replies
1
Views
784
Mar 10, 2019
Mooseman
P
Transfer Case Issue
PhilipJohn
Feb 27, 2017
Replies
0
Views
783
Feb 27, 2017
PhilipJohn
P
K
NEED HELP
Can't quite figure this one out.
Kansasborn
Sep 25, 2019
Replies
3
Views
782
Oct 24, 2019
Maverick6587
C
2002 cylinder liner failure? Just curious.
c good
Nov 1, 2021
Replies
9
Views
782
Nov 2, 2021
Mooseman
Placing my BG Cleaners order soon
DenaliHD66
May 6, 2013
Replies
0
Views
781
May 6, 2013
DenaliHD66
Quick Transmission Question
Njg425
Apr 26, 2019
Replies
5
Views
778
Apr 26, 2019
Mooseman
C
2004 I6 in 2002 LTZ
Cward
Mar 1, 2014
Replies
5
Views
777
Mar 3, 2014
jsheahawk
Q
four wheel drive
Quadzilla
Sep 27, 2019
Replies
5
Views
776
Sep 28, 2019
Mooseman
M
NEED HELP
2003 Trailblazer transmission
mudpaws672
Jun 30, 2021
Replies
6
Views
775
Jul 2, 2021
JimInRadfordVA
New here and new 2002 TB to me
movietvet
Dec 21, 2022
Replies
12
Views
775
Dec 27, 2022
movietvet
U
Replace engine Question
Uncle_Joe
Sep 10, 2019
Replies
2
Views
774
Sep 11, 2019
mrrsm
European 5w-30 Motor oil in our trucks
03envoy
Mar 9, 2012
Replies
0
Views
772
Mar 9, 2012
03envoy
Gauge Readings
MikeHayes
Aug 30, 2016
Replies
5
Views
766
Aug 30, 2016
Mooseman
Steering Rack Fluids
smt 59
Dec 11, 2013
Replies
2
Views
766
Dec 11, 2013
smt 59
B
Port-matching 4.2 head
Bob Stockum
Jul 29, 2022
Replies
7
Views
765
Jul 30, 2022
efi-diy
E
J
5.3 oil pressure
Jh1984oh1
Nov 10, 2021
Replies
4
Views
764
Nov 10, 2021
Jh1984oh1
J
Coolant Gone!
psa55
May 27, 2018
Replies
2
Views
762
May 31, 2018
psa55
Common fluids table for gmt360
jrSS
Jul 15, 2013
Replies
0
Views
761
Jul 15, 2013
jrSS
T
Evaporative System Monitor
tr23
Feb 24, 2014
Replies
4
Views
761
Feb 24, 2014
IllogicTC
The fluid purge has started & ended.
movietvet
Jan 15, 2023
Replies
10
Views
759
Jan 16, 2023
movietvet
Gas caps ext and.non ext
Ghost
Jun 30, 2013
Replies
3
Views
757
Jul 10, 2013
seanpooh
What is this sensor for??
WeaponX
Nov 18, 2019
Replies
2
Views
751
Nov 18, 2019
seanpooh
C
Yellow Dip Stick Dilemma
c good
Oct 13, 2022
Replies
6
Views
750
Oct 16, 2022
c good
C
N
Motor mount heat shield
NJTB
Mar 14, 2020
Replies
3
Views
748
Mar 15, 2020
NJTB
N
B
Possible CAD issue
BrianF
Dec 1, 2019
Replies
4
Views
747
Dec 2, 2019
BrianF
B
D
rear end clunks
davidaward47
Jul 12, 2020
Replies
3
Views
744
Jul 16, 2020
davidaward47
D
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