Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
Sqrly
Horn dose not work

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 New

393
5.2K
Threads
393
Posts
5.2K
christo829
Rate this Used Airfilter

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
DenaliHD66
Troubleshooting the NVG 226 transfer case.
Replies
2
Views
3K
DenaliHD66
DenaliHD66
Boricua SS
Year long battle is finally over...
Replies
28
Views
2K
Boricua SS
Boricua SS
jrSS
Common fluids table for gmt360
Replies
0
Views
761
jrSS
jrSS
DenaliHD66
Oil change question:
Replies
10
Views
1K
djthumper
djthumper
Ghost
Gas caps ext and.non ext
Replies
3
Views
757
seanpooh
seanpooh
Canary2323
Odometer discrepancy on carfax
Replies
1
Views
831
jonbo2002
J
anthonyl79
Engine wont turn off
Replies
2
Views
884
anthonyl79
anthonyl79
J
Where is neutral?
Replies
10
Views
2K
Irishboy02
Irishboy02
A
New Engine
Replies
2
Views
1K
Tiggerr
Tiggerr
Billdaman
I6 Sputter, Surge, Hesitation, Loss of power, fixed by replace Manifold Oxygen Sensor
Replies
8
Views
2K
C-ya
C-ya
jason43080
Broken Coil Pack Bolt...
Replies
11
Views
13K
triz
triz
ScottS
Is this ignition switch??
Replies
5
Views
1K
MAY03LT
MAY03LT
DenaliHD66
TICKING from UNDER the engine?
Replies
3
Views
971
Black LT
Black LT
R
2002 Envoy with rough idle - very strange
Replies
8
Views
2K
The_Roadie
The_Roadie
K
Replaced thermostat now having AC problems
Replies
13
Views
1K
MAY03LT
MAY03LT
Canary2323
what tune should I get?
Replies
8
Views
1K
dmanns67
dmanns67
B
How much does your temp gauge vary in hot weather?
Replies
20
Views
2K
CaptainXL
C
D
cold air intake
Replies
37
Views
3K
Grimor
Grimor
R
I am having problems after slowing at light
Replies
6
Views
1K
JCOLEMAN45177
J
F
Phantom switches from 2 wheel drive to 4 wheel drive
Replies
6
Views
807
The_Roadie
The_Roadie
M
Junkyard/Used Engines in Michigan
Replies
8
Views
1K
MDBT
M
R
Spark plug change and maintenance
Replies
6
Views
1K
imotto
I
B
Leaking radiator.
Replies
5
Views
1K
bugeyed
B
A
2003 Chevy Trailblazer
Replies
2
Views
849
Sir ffeJ
Sir ffeJ
I
Trailblazer SS Rear into Non-SS Questions
Replies
0
Views
2K
impynyc
I
Ryda55555
Air box intake (viking horn looking thing)
Replies
10
Views
2K
blazinlow89
blazinlow89
am-radio
Help Needed with removing transmission pan
Replies
5
Views
1K
CaptainXL
C
H
Fan clutch help...
Replies
4
Views
1K
hicksb15
H
Ilikemy3s
Vibration after tapping a Pole
Replies
6
Views
862
gmcman
gmcman
D
Trailblazer rear blower staying on
Replies
2
Views
993
Dpack
D
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