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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
Today at 4:47 PM
Sqrly
Drivetrain
New
1.1K
13.3K
Threads
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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NEED HELP
Shifter locked in neutral
Drec
Jul 28, 2022
Replies
14
Views
1K
Aug 2, 2022
Drec
D
Died and won't start.
Demitch
Jul 24, 2022
Replies
4
Views
1K
Jul 25, 2022
Mooseman
K
Can a ignition cylinder be recorded to an old key without the previous ignition cylinder?
Kimmie
Jul 21, 2022
Replies
2
Views
361
Jul 21, 2022
mrrsm
R
Oil pan reinstall, pickup tube in way
RizzKid3
Jul 20, 2022
Replies
2
Views
868
Jul 21, 2022
Mooseman
C
Testing 4WD Actuator/Disconnect?
coh998
Jul 11, 2022
Replies
22
Views
3K
Jul 22, 2022
coh998
C
AWD to 2WD conversion possible on Rainier?
gmcman
Jul 8, 2022
Replies
9
Views
2K
Apr 5, 2023
midnightbluS10
Engine sensor PM ?
Ilikemy3s
Jul 6, 2022
Replies
2
Views
477
Jul 6, 2022
Ilikemy3s
N
Odd wiring harness issue
Nucky
Jul 5, 2022
Replies
9
Views
848
Jul 7, 2022
Nucky
N
Strange noises from underneath.
John T.
Jun 17, 2022
Replies
2
Views
703
Jun 18, 2022
John T.
No crank no start. And short with TBC#1 FUSE
Cody0426
Jun 11, 2022
Replies
10
Views
1K
Jun 23, 2022
mrrsm
4L60E question
Harpo
Jun 11, 2022
Replies
9
Views
1K
Jun 28, 2022
6716
New Truck/SUV Oil ?
Ilikemy3s
May 12, 2022
Replies
2
Views
517
May 14, 2022
Mooseman
M
Transmission high rpm on highway
MarkRR59
May 5, 2022
Replies
4
Views
617
May 5, 2022
TollKeeper
Poll
Light Rattling from the Rear
l008com
May 2, 2022
Replies
19
Views
2K
May 15, 2022
l008com
W
Water pump play/wobble
wormwood1978
Apr 30, 2022
Replies
6
Views
2K
May 11, 2022
2001ZR2
2
How is Oil Life determined?
l008com
Apr 27, 2022
Replies
9
Views
1K
Apr 28, 2022
Redbeard
R
C
Any problem going back to Synthetic Blend oil after full Synthetic?
c good
Apr 27, 2022
Replies
3
Views
728
Apr 28, 2022
littleblazer
J
Transmission trouble?
JackFenimore
Apr 24, 2022
Replies
4
Views
796
Apr 24, 2022
Mooseman
C
1 Quart in 2600 miles OK?
c good
Apr 3, 2022
Replies
2
Views
500
Apr 3, 2022
Mooseman
C
Codes p0740 p0785 p01860
Chevytruck
Mar 21, 2022
Replies
2
Views
1K
Mar 21, 2022
mrrsm
NEED HELP
Gas Caps
WhiteWolf
Mar 18, 2022
Replies
3
Views
726
Mar 18, 2022
Mooseman
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
H
hard start when warm and run-on
htseat2000
Feb 7, 2022
Replies
2
Views
917
Feb 8, 2022
NJTB
N
4wd clunks hard, does not immediately engage when selected
6716
Jan 30, 2022
Replies
22
Views
2K
Jun 2, 2023
Mooseman
J
Do you guys think this ball joint is bad?
JerryIrons
Jan 24, 2022
Replies
9
Views
2K
Jan 28, 2022
flyboy2610
So, did I dodge a bullet? (front diff)
Reprise
Jan 2, 2022
Replies
11
Views
1K
Jan 5, 2022
Reprise
04 tb 4.2 rough jolt when start or turn off.
04trailblazer1991
Jan 1, 2022
Replies
12
Views
1K
Jan 26, 2022
04trailblazer1991
SOLVED!
Bad Wheel Bearings
l008com
Dec 20, 2021
2
Replies
59
Views
5K
Apr 24, 2022
TollKeeper
N
2004 TB, hard shift into 4th
NJTB
Nov 19, 2021
Replies
33
Views
3K
Jun 5, 2022
59840Surfer
C
A.C. Delco Foaming Top End Cleaner....
c good
Nov 14, 2021
Replies
9
Views
5K
Nov 17, 2021
mrrsm
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