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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
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Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
Threads
2.3K
Messages
35.4K
Threads
2.3K
Messages
35.4K
How much oil pressure is enough?
Monday at 10:04 PM
littleblazer
Drivetrain
Threads
971
Messages
12.1K
Threads
971
Messages
12.1K
what causes hub bearings to fail so often ?
Tuesday at 8:00 AM
littleblazer
Vortec 5.3L V8
Threads
356
Messages
4.7K
Threads
356
Messages
4.7K
40 to 20 oil pressure
Feb 3, 2021
Mike534x
LS2 6.0L V8
Threads
35
Messages
778
Threads
35
Messages
778
M
Dead 4.2 swap to 6.0
Oct 31, 2020
Motocross103
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K
transfercase output seal part # ?
KEEBZ489
Feb 25, 2021
Replies
4
Views
90
Today at 1:55 PM
gmcman
M
2006 envoy 4.2L no crank no start!!
Motocross103
Wednesday at 9:44 PM
Replies
9
Views
106
Yesterday at 12:43 PM
Motocross103
M
SOLVED!
CV axle will not budge
6716
Oct 3, 2020
Replies
15
Views
508
Monday at 8:24 AM
KEEBZ489
K
M
4x4 issue
Mbenoy-19
Feb 25, 2021
Replies
5
Views
106
Feb 25, 2021
Mooseman
S
SOLVED!
Trans oil cooler line connector issue
S13Hitman
Mar 22, 2020
Replies
13
Views
472
Feb 20, 2021
matermark
C
4.2 keeps losing oil pressure
chuey_316
Feb 4, 2021
2
Replies
72
Views
1K
Feb 17, 2021
chuey_316
C
A
Transmission Cooler Line Fittings different for 2002?
Andromeda
Feb 3, 2021
Replies
8
Views
186
Feb 7, 2021
JayArr
G
Strange oil pressure gauge reading.
GeoGoGo
Feb 3, 2021
Replies
4
Views
113
Feb 3, 2021
GeoGoGo
G
K
Truck died Need help asap
KEEBZ489
Jan 29, 2021
Replies
17
Views
280
Feb 3, 2021
KEEBZ489
K
B
Transmission Line leak at the wheel well head clamp... temporary fix?
budwich
Dec 18, 2020
Replies
22
Views
348
Jan 28, 2021
Mooseman
Stabilitrak Error?
psa55
Jan 19, 2021
Replies
4
Views
186
Jan 24, 2021
fletch09
T
NEED HELP
Cylinder Head and timing chain headaches.
tucker12
May 20, 2020
2
Replies
51
Views
2K
Jan 23, 2021
Mooseman
SOLVED!
starting issue- replaced neutral safety switch
bobo52
Jan 13, 2021
Replies
13
Views
266
Jan 20, 2021
bobo52
R
Cleaned throttle body - Still misfire (p0300 P0301)
richphotos
Jan 5, 2021
Replies
32
Views
433
Jan 16, 2021
richphotos
R
J
NEED HELP
2008 Chevy trailblazer Lt 4x4
Jgonzalez
Dec 30, 2020
Replies
10
Views
317
Jan 5, 2021
JerryIrons
J
U
P00017 P00014
Uncleenvoy
Oct 18, 2020
2
Replies
42
Views
738
Dec 28, 2020
Uncleenvoy
U
C
Tranny dipstick broke
Coachphil
Dec 27, 2020
Replies
2
Views
119
Dec 27, 2020
Redbeard
R
V
NEED HELP
Doesn’t stay running when cold
Voy07
Dec 20, 2020
Replies
20
Views
409
Dec 24, 2020
Voy07
V
J
Replacement Engine Suppliers? 2002 Envoy SLT
Joseph Fallon
Sep 19, 2020
Replies
19
Views
679
Dec 21, 2020
TollKeeper
N
Cold Start 05 TB LS
Neptune One
Dec 2, 2020
Replies
6
Views
323
Dec 20, 2020
MRRSM
M
03 Trailblazer No crank, No start
Mrautoserv72
Dec 19, 2020
Replies
2
Views
137
Dec 19, 2020
Mrautoserv72
M
M
Temporary misfire
Machoman
Sep 10, 2020
Replies
14
Views
448
Dec 18, 2020
joe mama
J
L
Trailblazer engine replacement riddle
Lovelessnate
Dec 15, 2020
Replies
8
Views
231
Dec 15, 2020
GeeOhhX
G
M
Water Pump
Machoman
Dec 14, 2020
Replies
3
Views
152
Dec 14, 2020
MRRSM
Beat auxiliary cooler to get
02trailblazerLS
Dec 12, 2020
Replies
1
Views
128
Dec 12, 2020
Mooseman
Transmission codes and hard shifting
Mike534x
Nov 26, 2020
Replies
10
Views
426
Dec 10, 2020
Mike534x
Vibration in drive 900 rpm
dla442
Nov 14, 2020
Replies
8
Views
244
Nov 28, 2020
dla442
Carbon cleaning the 4.2L LL8. Experiment
zaid3ssaf
Nov 21, 2020
Replies
2
Views
325
Nov 22, 2020
zaid3ssaf
4.2 L oil pressure measurement-cold to hot
zaid3ssaf
Nov 21, 2020
Replies
7
Views
265
Nov 22, 2020
TJBaker57
4.2L Dieseling sound
zaid3ssaf
Nov 13, 2020
Replies
9
Views
333
Nov 16, 2020
MRRSM
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