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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
New
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38.9K
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2.5K
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38.9K
R
Only 3000 miles on oil, but One year old. Change filter too?
Yesterday at 4:41 PM
Redbeard
Drivetrain
New
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
Threads
393
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5.2K
Rate this Used Airfilter
Yesterday 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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Very odd Transmission issue!
saab97x
Jul 29, 2013
Replies
3
Views
1K
Jul 31, 2013
HARDTRAILZ
O
Cranks but no start, CEL light and reduced power light
OMGTB
May 26, 2020
Replies
3
Views
1K
Jun 10, 2020
gmcman
K
ac refill for short wheelbase ?
KEEBZ489
May 30, 2021
Replies
3
Views
614
May 31, 2021
Mooseman
C
Berryman's Soak number two. Thinking about adding some aeration?
c good
Oct 12, 2022
Replies
3
Views
483
Oct 15, 2022
gmcman
L
multi codes on 4l60e transmisson
larry Dean
Jun 29, 2017
Replies
3
Views
1K
Jun 29, 2017
C-ya
M
No Reverse
mlan12
Jul 31, 2015
Replies
3
Views
714
Jul 31, 2015
Mike w
Front differential hose hanging down
SpeedUp
Oct 8, 2019
Replies
3
Views
808
Oct 9, 2019
Mooseman
O2 Sensor: bank 1 sensor 1 access
CajunWon
Jul 14, 2018
Replies
3
Views
821
Jul 23, 2018
CajunWon
B
Transmission fluid pump installation
Babas11911
Sep 5, 2012
Replies
3
Views
1K
Sep 6, 2012
Babas11911
B
I
Front diff sound?
Instrumental
Jul 12, 2016
Replies
3
Views
921
Aug 1, 2016
Instrumental
I
S
only getting about 4 qts of oil out on change?
sunliner
Mar 13, 2013
Replies
3
Views
912
Mar 14, 2013
Matt
C
O.E.M. Compatible CV Grease?
c good
May 3, 2012
Replies
3
Views
967
May 3, 2012
jbones
M
02 trailblazer ext front and rear wiper issues
mo_86_05
Jul 2, 2012
Replies
3
Views
1K
Jul 9, 2012
The_Roadie
J
Jiffy tite connectors
JimCshoe
Aug 31, 2013
Replies
3
Views
793
Aug 31, 2013
blazinlow89
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
D
Before I order how does this sound?
dvdman
Nov 14, 2012
Replies
3
Views
928
Nov 14, 2012
ScarabEpic22
Gas caps ext and.non ext
Ghost
Jun 30, 2013
Replies
3
Views
757
Jul 10, 2013
seanpooh
Carbon cleaning the 4.2L LL8. Experiment
zaid3ssaf
Nov 21, 2020
Replies
3
Views
3K
Jul 13, 2023
mrrsm
N
Motor mount heat shield
NJTB
Mar 14, 2020
Replies
3
Views
745
Mar 15, 2020
NJTB
N
Growling Noise
vatbguy
Sep 7, 2016
Replies
3
Views
945
Sep 15, 2016
hdodd1
H
C
Fluid Service interval for Transfer case?
c good
Nov 13, 2022
Replies
3
Views
463
Nov 14, 2022
c good
C
G
AWD transfer case PWM Wire
Gutless
Jan 14, 2017
Replies
3
Views
1K
Jan 14, 2017
Mooseman
what happens if I overfill tree he 4l60e?
6716
Mar 30, 2019
Replies
3
Views
11K
Apr 1, 2019
6716
C
I'm going to use the A.C. Delco T.E.C. Liquid or Aerosol?
c good
Feb 17, 2022
Replies
3
Views
1K
Feb 20, 2022
NJTB
N
A
Fuel Filter Difference?
A.Dog
Nov 6, 2014
Replies
3
Views
1K
Nov 6, 2014
linneje
NEED HELP
Help With Transmission Problems
therealsethallen
Dec 3, 2017
Replies
3
Views
1K
Dec 3, 2017
Reprise
J
Engine Compatibility
jlahood
Dec 12, 2012
Replies
3
Views
1K
Aug 22, 2013
04GREENZ71
0
Dic randonly displayed numbers 04 tb
Zrafferty
Apr 2, 2019
Replies
3
Views
619
Apr 10, 2019
Zrafferty
C
BG EPR oil treatment?
c good
Dec 29, 2023
Replies
3
Views
336
Dec 30, 2023
Mooseman
C0055 code
Rizzoj2000
Jun 24, 2015
Replies
3
Views
1K
Jun 24, 2015
Rizzoj2000
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