Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6

Threads
2.1K
Messages
31.2K
Threads
2.1K
Messages
31.2K
M
97x Engine Swap/Body Remove

Drivetrain

Threads
854
Messages
10.5K
Threads
854
Messages
10.5K
havoc1999
Transmission suddenly out while driving! No reverse or any drive gears

Vortec 5.3L V8

Threads
293
Messages
3.6K
Threads
293
Messages
3.6K
NT1078
Periodic rough idle, codes within thread. Plz help!

LS2 6.0L V8

Threads
35
Messages
768
Threads
35
Messages
768
xavierny25
NEED HELP Tb SS transmission replacement.
J
transmission no gears when warmed up
Replies
0
Views
13
jdutcher4426
J
P
P0442 where to look before bringing it in to be smoked?
Replies
4
Views
77
Petey
P
psa55
4WD Disconnect - bad gasket
Replies
7
Views
173
BrianF
B
dvs.dave.03ltz
NEED HELP Transmission wont shift out of park
Replies
11
Views
170
Reprise
Reprise
J
Coolant leak
Replies
8
Views
206
Dreccomel
D
M
Multiple tranny codes and fuse 47 issues
Replies
14
Views
181
Paul Bell
Paul Bell
D
Is my chain loose (p1345)
Replies
1
Views
61
Mooseman
Mooseman
N
Novice Attempting TC & Disconnect Service, Help?
2
Replies
66
Views
1K
Mooseman
Mooseman
H
Engine and transmission swaps
Replies
13
Views
267
Mooseman
Mooseman
K
4.2 misfires , no codes...
Replies
20
Views
347
KEEBZ489
K
Kurb
How to Check Transmission Fluid?
Replies
1
Views
92
TequilaWarrior
T
M
What Sensor/Connector is This?
Replies
2
Views
87
Maverick6587
M
M
97x Vibration Issue
Replies
17
Views
246
Mooseman
Mooseman
Joshj517
NEED HELP 2003 TB 4.2. Wont go over 5mph
Replies
9
Views
188
gmcman
gmcman
JayArr
It's Alive - 2003-2005 Envoy Engine Swap
Replies
10
Views
217
Mooseman
Mooseman
J
Transmission service
Replies
8
Views
179
BrianF
B
C
p0495 nightmare
Replies
13
Views
190
cobblershelli
C
Blackstar
P0014
Replies
9
Views
155
flyinghigh1970
flyinghigh1970
Traz
Transmission Upgrades
Replies
15
Views
280
Traz
Traz
Lavarcarlos
Oil pressure problem
Replies
12
Views
217
NJTB
N
psa55
Water Pump gone?
Replies
8
Views
253
psa55
psa55
S
Code p0756 loss of power in first I changed shift solenoids no change. need advise.
Replies
16
Views
19K
Reprise
Reprise
C
How to test an awd front diff
Replies
19
Views
383
Camarokidz28
C
MRRSM
ENGINE SWAP: 2004 for 2002 GM ATLAS 4.2L MOTOR
2 3 4 5
Replies
167
Views
11K
MRRSM
MRRSM
JayArr
Engine run in stand
Replies
8
Views
155
cornchip
cornchip
L
2003 chevy trailblazer throttle body wont open
Replies
2
Views
148
christo829
christo829
mark'stb
oil leak after disconnect replacement???
Replies
4
Views
191
Bill Reid
Bill Reid
hawkeye405
NEED HELP Exhaust drone
Replies
29
Views
522
hawkeye405
hawkeye405
G
Bad Alternator ? Volt gauge periodically maxes out....
Replies
8
Views
250
JayArr
JayArr
Traz
NEED HELP Speaker feedback
Replies
8
Views
190
Traz
Traz
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