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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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2002 TB running great
Yesterday at 11:29 AM
movietvet
Drivetrain
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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
392
5.2K
Threads
392
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5.2K
Catalytic converter replacement options EPA vs carb
Feb 18, 2024
Mike534x
LS2 6.0L V8
40
839
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40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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Cleaning Air Box?
Ilikemy3s
Sep 13, 2022
Replies
1
Views
530
Sep 13, 2022
Mooseman
C
Replacement muffler. Possible performance increases? Recommendations please.
c good
Sep 9, 2022
Replies
3
Views
650
Sep 12, 2022
Mike534x
H
NEED HELP
4WD not working
HoldenEst
Sep 9, 2022
Replies
4
Views
466
Sep 10, 2022
Mooseman
Amsoil power foam ?
Ilikemy3s
Sep 9, 2022
Replies
4
Views
673
Sep 9, 2022
Mike534x
F
C.V. Axle Seal Part Question
FlyFish3rman
Aug 29, 2022
Replies
16
Views
2K
Sep 9, 2022
FlyFish3rman
F
Thoughts about the 2022 2.7L turbo + 8-speed transmission Silverado?
6716
Sep 3, 2022
Replies
10
Views
6K
Sep 7, 2022
Mike534x
Question about CV axle angle
flyboy2610
Sep 6, 2022
Replies
4
Views
579
Sep 7, 2022
flyboy2610
NEED HELP
Overheating issue with AC ON!
ghost_leader07
Aug 17, 2022
2
Replies
49
Views
3K
Aug 23, 2022
ghost_leader07
NEED HELP
P1221 Only with A/C on
Ric_Whit
Aug 19, 2022
Replies
8
Views
1K
Aug 20, 2022
mrrsm
S
Engine swap for 07 saab97x 5.3i need advice on used engine please
Sprung Monkey
Oct 4, 2021
2
3
Replies
86
Views
8K
Aug 15, 2022
TollKeeper
NEED HELP
Shifter locked in neutral
Drec
Jul 28, 2022
Replies
14
Views
1K
Aug 2, 2022
Drec
B
Port-matching 4.2 head
Bob Stockum
Jul 29, 2022
Replies
7
Views
758
Jul 30, 2022
efi-diy
E
D
Died and won't start.
Demitch
Jul 24, 2022
Replies
4
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1K
Jul 25, 2022
Mooseman
C
Testing 4WD Actuator/Disconnect?
coh998
Jul 11, 2022
Replies
22
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3K
Jul 22, 2022
coh998
C
R
Oil pan reinstall, pickup tube in way
RizzKid3
Jul 20, 2022
Replies
2
Views
863
Jul 21, 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
357
Jul 21, 2022
mrrsm
S
How hard can a 5.3 engine install be on gmt360
Sprung Monkey
Jun 5, 2021
Replies
15
Views
2K
Jul 20, 2022
Reprise
NEED HELP
P0651
psa55
Jun 7, 2020
Replies
17
Views
4K
Jul 14, 2022
mrrsm
N
Odd wiring harness issue
Nucky
Jul 5, 2022
Replies
9
Views
839
Jul 7, 2022
Nucky
N
Engine sensor PM ?
Ilikemy3s
Jul 6, 2022
Replies
2
Views
474
Jul 6, 2022
Ilikemy3s
4L60E question
Harpo
Jun 11, 2022
Replies
9
Views
1K
Jun 28, 2022
6716
No crank no start. And short with TBC#1 FUSE
Cody0426
Jun 11, 2022
Replies
10
Views
1K
Jun 23, 2022
mrrsm
Strange noises from underneath.
John T.
Jun 17, 2022
Replies
2
Views
696
Jun 18, 2022
John T.
N
2004 TB, hard shift into 4th
NJTB
Nov 19, 2021
Replies
33
Views
3K
Jun 5, 2022
59840Surfer
Poll
Light Rattling from the Rear
l008com
May 2, 2022
Replies
19
Views
2K
May 15, 2022
l008com
New Truck/SUV Oil ?
Ilikemy3s
May 12, 2022
Replies
2
Views
506
May 14, 2022
Mooseman
W
Water pump play/wobble
wormwood1978
Apr 30, 2022
Replies
6
Views
2K
May 11, 2022
2001ZR2
2
M
Transmission high rpm on highway
MarkRR59
May 5, 2022
Replies
4
Views
612
May 5, 2022
TollKeeper
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
717
Apr 28, 2022
littleblazer
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