Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
S
PO442

Drivetrain New

1.1K
13.3K
Threads
1.1K
Posts
13.3K
JayArr
Re-using Torque converters

Vortec 5.3L V8 New

394
5.2K
Threads
394
Posts
5.2K
M
Runs rough couple miles after starting

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
C
Cataclean
Replies
5
Views
6K
Mark20
Mark20
AnimateDeath
changing to synthetic oil question
Replies
12
Views
2K
Mark20
Mark20
A
What does changing t-stats do
Replies
3
Views
1K
KNBlazer
KNBlazer
E
How to replace the ignition switch?
Replies
7
Views
4K
djthumper
djthumper
Sn00kyCr00k
Odd "pop" noise
Replies
4
Views
1K
ElAviator72
E
northcreek
Strange noise in 4WD
Replies
11
Views
3K
northcreek
northcreek
Harpo
Could this be true??
Replies
1
Views
1K
Jkust
J
mika
Vibration when accelerating
Replies
1
Views
1K
floridafitz
floridafitz
I
Stock Air Intake - Why?
Replies
5
Views
1K
fadyasha
fadyasha
Spong
Trans running too cool?
Replies
20
Views
6K
neelskit
neelskit
L
2002 Bravada AWD not working.
Replies
12
Views
12K
lovesrugers
L
2
Thanks!
Replies
2
Views
1K
Wooluf1952
Wooluf1952
V
Help diagnosing vibration from the front end which seems to increase over time
Replies
8
Views
2K
VILeninDM
V
A
Exhaust Mod/ Redo
Replies
4
Views
1K
DJones
DJones
P
Need help on replacing front differential on my 02 TB
Replies
9
Views
7K
prken
P
miron
4-Wheel drive not engaging properly?
Replies
3
Views
1K
The_Roadie
The_Roadie
GregT
Wheel hop front right when in 4x4
Replies
2
Views
1K
GregT
GregT
GregT
My mechanic says the 4x4 is not fully engaging.
Replies
2
Views
1K
GregT
GregT
TB360
can this part be deleted?
Replies
4
Views
1K
TB360
TB360
E
RPM: How to increase?
Replies
6
Views
2K
edward
E
G
Replacing engine
Replies
24
Views
6K
Gibby
G
G
  • Poll
LS3 or L9H
Replies
0
Views
3K
Gibby
G
Aukland
GM Agrees to Pay for Faulty Gas Gauges Trailblazer/SS, Envoy and Renier
Replies
5
Views
3K
SBUBandit
SBUBandit
03envoy
Getting rid of Intake resonator
Replies
8
Views
3K
Trailshaman
Trailshaman
Z
Vibrations and growling from Underneath!!!!
Replies
2
Views
1K
zamimj222
Z
W
Belt squeaking.
Replies
3
Views
2K
RayVoy
RayVoy
wiggles
Don't stone me. 4wd questions
Replies
16
Views
3K
RayVoy
RayVoy
dag48066
How long will a trouble code stay in memory?
Replies
4
Views
2K
AbsoluteZero
A
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