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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
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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
Threads
393
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5.2K
Rate this Used Airfilter
Tuesday at 12:20 PM
christo829
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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J
5.3 oil pressure
Jh1984oh1
Nov 10, 2021
Replies
4
Views
764
Nov 10, 2021
Jh1984oh1
J
R
NEED HELP
06 Trailblazer EXT 4.2 Engine swap
Rick
Nov 8, 2021
Replies
30
Views
4K
Jan 10, 2022
NJTB
N
T
Gas Cap
tucker12
Nov 2, 2021
Replies
5
Views
1K
Dec 27, 2021
tucker12
T
C
2002 cylinder liner failure? Just curious.
c good
Nov 1, 2021
Replies
9
Views
782
Nov 2, 2021
Mooseman
Rough idle when first started
gmcman
Oct 24, 2021
Replies
20
Views
2K
Oct 28, 2021
Mooseman
S
Low coolant temperature
santon
Oct 22, 2021
Replies
10
Views
1K
Nov 8, 2021
santon
S
NEED HELP
Recommended Exhaust Manifold Replacement?
MrShelley
Oct 14, 2021
Replies
15
Views
2K
Jan 30, 2022
Schurkey
5.3 swap again.....
Yeagamyster04
Oct 9, 2021
Replies
19
Views
2K
Oct 19, 2021
Yeagamyster04
H
2006 trailblazer rear a/c line replacement
htseat2000
Oct 8, 2021
Replies
1
Views
381
Oct 8, 2021
Mooseman
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
P0171 on my 04 Trailblazer LT won't go away
ghost_leader07
Sep 24, 2021
2
3
Replies
117
Views
8K
Nov 6, 2023
mrrsm
C
ATS CRO 505....anyone tried this stuff?
c good
Sep 19, 2021
Replies
4
Views
5K
Sep 20, 2021
Mooseman
P0506 code
flyboy2610
Sep 18, 2021
Replies
0
Views
1K
Sep 18, 2021
flyboy2610
C
Starting routine. Is this normal?
c good
Sep 13, 2021
Replies
6
Views
807
Sep 19, 2021
c good
C
Rear diff assembly: used or remanufactured?
6716
Sep 9, 2021
Replies
8
Views
2K
Sep 10, 2021
TJBaker57
C
Plastic Dip stick end a problem?
c good
Sep 5, 2021
Replies
2
Views
665
Sep 7, 2021
c good
C
C
Marvel Mystery Oil worth a try? Roller cam follower ticking.
c good
Sep 1, 2021
Replies
5
Views
1K
Sep 5, 2021
chris68369
C
T
Not the standard shift cable problem
Tinker
Aug 29, 2021
Replies
14
Views
2K
Sep 10, 2021
Tinker
T
C
I want to add a real oil pressure guage. Suggestions please.
c good
Aug 28, 2021
Replies
3
Views
980
Aug 30, 2021
Mektek
M
C
How long should I let the oil pick up soak in Berryman's?
c good
Aug 27, 2021
Replies
22
Views
2K
Aug 31, 2021
Mooseman
S
NEED HELP
4x4 Working strange
Sn1perdeath
Aug 27, 2021
Replies
25
Views
2K
Sep 10, 2021
chris68369
C
O
No fuel Pressure
OIFVet0326
Aug 21, 2021
Replies
21
Views
2K
Aug 24, 2021
Mooseman
are this readings high? ltft stft , and mpg , i have high fuel consumption
yazan
Aug 7, 2021
Replies
14
Views
2K
Aug 17, 2021
Mooseman
R
NEED HELP
Boiling sound from radiator overflow
Rick
Aug 4, 2021
Replies
7
Views
1K
Aug 4, 2021
Rick
R
B
NEED HELP
Question 🤔
Bronsonc1856
Aug 4, 2021
Replies
2
Views
459
Aug 4, 2021
Redbeard
R
Z
Change Spark Plugs 05 Trailblazer
zip7111
Jul 28, 2021
Replies
11
Views
3K
Jul 29, 2021
JerryIrons
J
C
4L60E transmission without Tow/Haul vs. 4L60E with Tow/Haul?
c good
Jul 19, 2021
Replies
5
Views
4K
Jul 21, 2021
c good
C
F
P1681 TPS error code
Fatty2004
Jul 14, 2021
Replies
7
Views
6K
Jul 15, 2021
mrrsm
J
Transmission line change project notes
JerryIrons
Jul 9, 2021
Replies
9
Views
1K
Aug 15, 2021
matermark
C
O2 sensor replacement
cretecrawler
Jul 1, 2021
Replies
6
Views
1K
Jul 5, 2021
cretecrawler
C
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