Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.8K
Threads
2.5K
Posts
38.8K
J
Gas tank venting issues can't fill

Drivetrain New

1.1K
13.3K
Threads
1.1K
Posts
13.3K
filthyfingers
NEED HELP Tranny slipping and surging. 4WD switch flashing

Vortec 5.3L V8

392
5.2K
Threads
392
Posts
5.2K
Mike534x
Catalytic converter replacement options EPA vs carb

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
H
cutting out at idle with compressor
Replies
9
Views
980
mrphoenix80
M
3
removal of front diff
Replies
15
Views
2K
The_Roadie
The_Roadie
P
02 Trailblazer 4 wheel drive problem
Replies
13
Views
4K
Paul1958
P
J
Chirping noise that goes away in 4 wheel drive...
Replies
8
Views
2K
joemcc
J
T
Power Steering Fluid Color
Replies
7
Views
1K
TNEnvoyXL
T
Robbabob
Replaced Plugs, check out the oil and odd plug number...
Replies
16
Views
2K
mrphoenix80
M
A
Hesitation/stumble at 50 mph fixed by racing engine on highway but new sound
Replies
14
Views
1K
BuckeyeEvan
BuckeyeEvan
K
Changing Air filter
Replies
6
Views
1K
kjkim93
K
OctaneRider03
4.2L I6 Head Removal/Engine Restoration
Replies
490
Views
67K
OctaneRider03
OctaneRider03
steveo67
Steering wheel position sensor
Replies
6
Views
4K
jason43080
jason43080
Shana7711
AC Condensation Drainage tube
Replies
4
Views
4K
Shana7711
Shana7711
F
Rear End Fill plug
Replies
9
Views
2K
Wooluf1952
Wooluf1952
H
2006 Trailblazer LT transfer case encoder motor install question
Replies
1
Views
1K
esbob
E
keepontruckin
CV Shaft Stuck In Disconnect...
Replies
5
Views
1K
Opeth
Opeth
A
Engine double shifts sometimes when flooring gas pedal
Replies
8
Views
1K
ScarabEpic22
ScarabEpic22
J
High pitch ATF grinding sound when cold shifting from 2nd to 3rd gear
Replies
12
Views
1K
Bartonmd
Bartonmd
floridafitz
belt tensioner assembly
Replies
13
Views
2K
meerschm
meerschm
C
2006 poor cold starting in cold weather, p0300 obc runs fine when warm
Replies
13
Views
2K
cbduffeck
C
trailblazin06
Exhaust mod?Maybe glasspack
Replies
3
Views
1K
NewfieEnvoy
NewfieEnvoy
A
Noise when moving (possible wheel bearing)/Traction control and 4x4 light.
Replies
2
Views
930
acpowell
A
K
Switching to 4Hi
Replies
8
Views
1K
kmanz1
K
03luvvoy
Thinkin about doing a repair
Replies
7
Views
1K
JCJARHEAD
J
O
Unusual Transmission Problem -Fixed
Replies
2
Views
1K
OldSVTGuy
O
J
Driveline yoke - off 180° cause vibration?
Replies
1
Views
832
The_Roadie
The_Roadie
B
Servo Question..
Replies
1
Views
876
Black LT
Black LT
J
4x4
Replies
3
Views
820
jrSS
jrSS
S
engine peaks around 4000 rpm. vibration at idle
Replies
6
Views
1K
blwn31
B
A
AC problems
Replies
3
Views
954
The_Roadie
The_Roadie
P
Engine sounds like a diesel during cold morning starts
Replies
3
Views
1K
phillypoet313
P
S
how do I change the Differential drivers side bearings out?
Replies
6
Views
1K
The_Roadie
The_Roadie
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