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2002 - 2009 TrailBlazer/Envoy Tech
02-09 Vortec 4.2L I-6 Engine and Drivetrain
4x4 Drivetrain
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Sticky
Having 4WD(4x4) issues? Look inside!
Fishsticks
Dec 11, 2010
2
3
4
78
117K
6 mo ago
by
Holden
R
Can I convert Rainier AWD to rear wheel drive?
regalman
1 mo ago
18
828
2 d ago
by
regalman
Are different front and rear tire size on 2009 Trailblazer LS are acceptable?
Gaurav
15 d ago
10
355
11 d ago
by
DDS-029
Lift kit made 4x4 stop
Ashton
2 mo ago
2
3
53
1K
12 d ago
by
Ravalli Surfer
F
Is it safe to drive 2002 Trailblazer with no rear driveshaft?
frankiep77
23 d ago
2
23
713
15 d ago
by
Ravalli Surfer
Beating a Dead Horse, but this one will not give up!
THI
2 mo ago
10
330
15 d ago
by
TJBaker
Driver side axle will not go back in after diff seal replacement.
Gmc_envoy_7133
5 mo ago
10
512
21 d ago
by
Ravalli Surfer
B
Transfer case slips into neutral while driving?
Barricade.exe
23 d ago
2
131
23 d ago
by
Ravalli Surfer
4x4 switch will blink but not engage.
Paigebou
Nov 11, 2020
15
2K
25 d ago
by
Ravalli Surfer
4wd switched to 2wd
battlemode
Jun 3, 2008
2
3
50
14K
27 d ago
by
Ravalli Surfer
4wd issues
Cecilia-b
2 mo ago
8
324
2 mo ago
by
sinceecho
S
Fluid Amount Needed, Front/Rear Diff
skilled2k1
May 31, 2009
12
17K
2 mo ago
by
Firingpin123
05 Trailblazer EXT 4x4 not working...
Firekatt
2 mo ago
5
217
2 mo ago
by
TJBaker
C
'06 Envoy w/ 4.2, 4x4 only works in auto?
cfour242
3 mo ago
5
175
3 mo ago
by
Ravalli Surfer
J
4x4 NOT WORKING WITH NEW ACTUATOR
Jmac23
3 mo ago
2
23
1K
3 mo ago
by
TBI
M
4wd auto
Maddawg
3 mo ago
6
387
3 mo ago
by
TJBaker
M
4 wheel drive shifting on its own!
March
Mar 24, 2006
2
21
32K
3 mo ago
by
Ravalli Surfer
Why did the front differential crack?
XUVFISCH
Dec 31, 2010
9
15K
3 mo ago
by
Ravalli Surfer
C
2006 Chevy Trailblazer LT 4WD not shifting into 4L
chris.thorpe
3 mo ago
12
634
3 mo ago
by
mulally
J
2004 Buick Rainier no AWD
jastover0525
3 mo ago
11
460
3 mo ago
by
like2wheel
T
4WD doesn't like cold?
Tom-S
3 mo ago
14
487
3 mo ago
by
Tom-S
D
4wd Selector Switch Not Working
Deviation
Oct 16, 2009
2
3
54
77K
3 mo ago
by
nnjguy1976
B
03 envoy, 4 wheel drive not working
brutee
Apr 2, 2016
2
22
10K
3 mo ago
by
jok1ng
G80 locker identification
RedVoy2003
Feb 18, 2022
2
20
2K
4 mo ago
by
Ravalli Surfer
Front left CV axle shaft replacement leads to deeper issue
Stl0624
4 mo ago
4
411
4 mo ago
by
chem_man
R
'02 TrailBlazer G80 Diff questions.
rj539
4 mo ago
7
502
4 mo ago
by
Ravalli Surfer
D
4x4 Not working? Watch this.
Dutch_PrairieFarmer
4 mo ago
Poll
1
324
4 mo ago
by
chem_man
Are the 40035769 and 40005769 differntials the same?
Maximilian
4 mo ago
10
447
4 mo ago
by
Ravalli Surfer
M
Messed with transfer case shift motor, now TB stuck in neutral.
meandonov
5 mo ago
2
558
5 mo ago
by
Ravalli Surfer
02 Trailblazer T-Case Input Shaft Seal
02trailblazersk
5 mo ago
9
256
5 mo ago
by
Ravalli Surfer
S
Front axle disconnect broken housing
Skyhead22
Dec 16, 2014
18
14K
5 mo ago
by
Vega_TB
B
Front Diff Failure?
Brantman1
5 mo ago
3
327
5 mo ago
by
Brantman1
Rear end swap
Budster
6 mo ago
1
235
6 mo ago
by
Gsgnnut
T
Front diff near empty
Toby Dog
6 mo ago
0
193
6 mo ago
by
Toby Dog
No 4WD, front axle disconnect issue?
89GTAWS6
6 mo ago
3
372
6 mo ago
by
TBKevin
Previous Owner pulled Front Driveshaft ?
buccanoles
6 mo ago
4
389
6 mo ago
by
Gsgnnut
1
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4x4 Drivetrain
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2002 - 2009 TrailBlazer/Envoy Tech
02-09 Vortec 4.2L I-6 Engine and Drivetrain
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