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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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B
Gas gauge acting weird
blackout51
Jan 22, 2013
Replies
0
Views
691
Jan 22, 2013
blackout51
B
S
Secondary Air Injection Check Valve Removal and Install Tips
smokey262
Dec 13, 2014
Replies
0
Views
1K
Dec 13, 2014
smokey262
S
S
Secondary Air Injection Pump Relay Removal Tips
smokey262
Dec 13, 2014
Replies
0
Views
893
Dec 13, 2014
smokey262
S
Tuning for DFCO
Shdwdrgn
Apr 9, 2013
Replies
0
Views
1K
Apr 9, 2013
Shdwdrgn
K
CAT converter for 2006 EXT LT
kjkim93
Aug 4, 2013
Replies
0
Views
670
Aug 4, 2013
kjkim93
K
J
4x4 Help
jmabs509
Mar 14, 2021
Replies
0
Views
457
Mar 14, 2021
jmabs509
J
A
Limited throttle
ALS23
Nov 26, 2022
Replies
0
Views
865
Nov 26, 2022
ALS23
A
Weird "Engine Knock" Diagnostic Technique
mrrsm
Oct 30, 2021
Replies
0
Views
740
Oct 30, 2021
mrrsm
Nasty Bearing Noise
filthyfingers
Jun 7, 2013
Replies
0
Views
695
Jun 7, 2013
filthyfingers
C
Locked
Where does this plug go?
Catriderf7
Oct 1, 2014
Replies
0
Views
770
Oct 1, 2014
Catriderf7
C
C
Do I really need 60 oz of AC Delco T.E.C.?
c good
Feb 26, 2022
Replies
0
Views
640
Feb 26, 2022
c good
C
V
Power steering pump mounting bolt
Vonhendon
Jul 28, 2012
Replies
0
Views
833
Jul 28, 2012
Vonhendon
V
Information on Unique GM 4.2L LL8 Engine Fasteners
mrrsm
Mar 1, 2022
Replies
0
Views
1K
Mar 1, 2022
mrrsm
M
Thanksgiving Sale!!! 11/20-11/25
marshall@pcm
Nov 20, 2012
Replies
0
Views
708
Nov 20, 2012
marshall@pcm
M
K
AC Compressor: Free to good home.
kps1
May 14, 2013
Replies
0
Views
667
May 14, 2013
kps1
K
NEED HELP
Funny startup.
Rizzoj2000
Jul 28, 2016
Replies
1
Views
596
Jul 28, 2016
djthumper
Fan Question please
ce8204
Dec 18, 2012
Replies
1
Views
802
Dec 19, 2012
AbsoluteZero
A
Rear diff backlash
gmcman
Jan 29, 2012
Replies
1
Views
1K
Jan 29, 2012
RayVoy
fan clutch wiring diagram
yazan
Apr 5, 2017
Replies
1
Views
2K
Apr 5, 2017
Blckshdw
M
Coolant Flush
MixMastaMM
Jan 5, 2013
Replies
1
Views
1K
Jan 5, 2013
Matt
SOLVED!
Rough idle, possibly thermostat
Capote
Jun 2, 2018
Replies
1
Views
5K
Jun 2, 2018
Mooseman
Oil in chamber?
khill
Jun 18, 2012
Replies
1
Views
822
Jun 18, 2012
Wooluf1952
L
2006 4WD motor swap with 2002 2WD motor
Lindsey52
Oct 1, 2017
Replies
1
Views
619
Oct 1, 2017
Mooseman
L
Ticking Noise when started and throwing code P0130
l30ms2013
Jun 1, 2014
Replies
1
Views
983
Jun 1, 2014
djthumper
E
NEED HELP
Envoy Parasitic battery drain
evcorchado
Jan 3, 2023
Replies
1
Views
750
Jan 3, 2023
Mooseman
E
Keep blowing ignition j case fuses A and B
Envoy215
Apr 14, 2021
Replies
1
Views
876
Apr 14, 2021
Mooseman
T
One of my windows lowers and raises opposite of the others
TByuri
Mar 14, 2014
Replies
1
Views
611
Mar 14, 2014
IllogicTC
radiator replacement
trouttrooper
Jun 4, 2014
Replies
1
Views
2K
Nov 22, 2019
jsinga
J
S
Cam Position Sensor Connector
Steevo
Apr 20, 2020
Replies
1
Views
698
Apr 20, 2020
m.mcmillen
New plugs fixed my transmission and evap leak
6716
Apr 17, 2021
Replies
1
Views
809
Apr 17, 2021
Mooseman
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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