Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6

Threads
2,018
Messages
30,810
Threads
2,018
Messages
30,810
Valve Cover Gasket Job Cost?

Drivetrain

Threads
847
Messages
10,363
Threads
847
Messages
10,363
Stuck in 4hi, but not
  • MRRSM

Vortec 5.3L V8

Threads
287
Messages
3,539
Threads
287
Messages
3,539
5.3 vortec envoy random misfire/ rough idle

LS2 6.0L V8

Threads
35
Messages
768
Threads
35
Messages
768
Tb SS transmission replacement.
MRRSM
ENGINE SWAP: 2004 for 2002 GM ATLAS 4.2L MOTOR
2 3 4 5
Replies
165
Views
10,558
MRRSM
hawkeye405
NEED HELP Exhaust drone
Replies
29
Views
404
hawkeye405
C
How to test an awd front diff
Replies
18
Views
266
Mooseman
G
Bad Alternator ? Volt gauge periodically maxes out....
Replies
8
Views
196
JayArr
JayArr
It's Alive - 2003-2005 Envoy Engine Swap
Replies
1
Views
61
m.mcmillen
T
Liftmeister Page Dead??
Replies
13
Views
372
xxchadallacxx
Traz
NEED HELP Speaker feedback
Replies
8
Views
144
Traz
mark'stb
oil leak after disconnect replacement???
Replies
3
Views
93
Camarokidz28
Traz
Exhaust Manifold Dimensions
Replies
2
Views
79
Traz
Medic3166
Envoy Torque Converter not locking
Replies
2
Views
84
TequilaWarrior
smt 59
What is the torque side of the I6
Replies
7
Views
191
MRRSM
Greg0322
Cranks won't start
Replies
3
Views
111
Mooseman
W
NEED HELP 2WD to 4WD conversion the old school way
Replies
5
Views
144
Mooseman
A
4L60E
Replies
4
Views
153
littleblazer
B
Fuel pump relay
Replies
2
Views
92
MRRSM
JayArr
Top Two/Three Bell Housing bolts
Replies
3
Views
102
Mooseman
N
Novice Attempting TC & Disconnect Service, Help?
2
Replies
60
Views
863
Mooseman
SpeedUp
Found oil leak when changing thermostat
Replies
6
Views
386
SpeedUp
Tbluvr
NEED HELP 05 trailblazer tranny no noise or nothing
Replies
2
Views
119
KEEBZ489
N
Ring and pinion pattern
Replies
5
Views
148
MRRSM
T
I have a P0014 & P0526 and questions !
Replies
13
Views
413
tcurlee
mika
Code P1345
Replies
4
Views
116
Mooseman
SpeedUp
Temperature gauge not working
Replies
7
Views
239
Matt
MikeT
Trailblazer shuts off out of nowhere
Replies
8
Views
279
MikeT
Mooseman
Do diff covers work or are they just bling?
Replies
21
Views
513
Sparky
JOE60ISH
2007 Trailblazer SS starting issues
Replies
4
Views
174
JOE60ISH
snoozer
New fan clutch installed. Have a question
Replies
27
Views
1,423
David Mellado
Ghost
Straight 6 vs v8 trailblazer EXT
Replies
14
Views
5,313
limequat
J
Transmission problems on gmc envoy
Replies
4
Views
213
John in RI
mark'stb
4wd disconnect axle
Replies
2
Views
167
mark'stb
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