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
  • Sqrly

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
P
Where did the oil go?
Replies
11
Views
599
Mooseman
Mooseman
T
Where did GM Hide the 05-on Fuel Pressure regulator on the Trailblazers?
Replies
4
Views
1K
BRomanJr
B
gmcman
Where can I get the TCC PWM eliminator kit?
Replies
3
Views
480
Sparky
Sparky
C
Whenever i switch to "A4WD" on my 4x4 selector(even for a split second), my "service Four Wheel Drive" light comes on?
Replies
2
Views
1K
Corpsicle
C
Bartonmd
When Did Your Fuel Pump Fail (or has it yet)??
Replies
23
Views
2K
Texan
Texan
G
when and how to shift into first when towing up a mountain
Replies
11
Views
1K
IllogicTC
IllogicTC
GregT
Wheel hop front right when in 4x4
Replies
2
Views
1K
GregT
GregT
D
Wheel Bearing, front, Trailblazer LS 4x4, it must be going bad
Replies
15
Views
8K
JerryIrons
J
I
Wheel Bearing R&R
Replies
9
Views
1K
JimInRadfordVA
JimInRadfordVA
K
wheel bearing noise
Replies
33
Views
3K
kickass audio
K
Dmflash
Wheel bearing hub assembly
Replies
68
Views
4K
far eastan
F
northcreek
What's wrong with this picture?
Replies
7
Views
1K
TollKeeper
TollKeeper
S
What's the value of used 4.2 engine?
Replies
6
Views
957
thebat
T
B
What's that noise ..
Replies
11
Views
2K
03envoy
03envoy
SpeedUp
What year TB 4L60Es are compatible with each other?
Replies
17
Views
5K
Mooseman
Mooseman
J
What would you do? Fix it or scrap it and buy something new
Replies
11
Views
2K
DESSKI
DESSKI
S
What type of rear end fuild for 07 97x
Replies
10
Views
1K
Mooseman
Mooseman
Canary2323
what tune should I get?
Replies
8
Views
1K
dmanns67
dmanns67
R
What Transmission do I have ?
Replies
8
Views
1K
Sparky
Sparky
Maverick6587
What Sensor/Connector is This?
Replies
2
Views
710
Maverick6587
Maverick6587
J
What is your oil pressure??
Replies
14
Views
4K
davenay67
davenay67
WeaponX
What is this sensor for??
Replies
2
Views
751
seanpooh
seanpooh
D3vious
What is this hose for???
Replies
4
Views
1K
D3vious
D3vious
WeaponX
What is this any why is it leaking?
Replies
2
Views
702
Mooseman
Mooseman
smt 59
What is the torque side of the I6
Replies
7
Views
975
mrrsm
mrrsm
6716
What is the aft-most seal/gasket holding in ATF?
Replies
3
Views
1K
mrphoenix80
M
flyboy2610
What happens if you overfill your engine oil?
Replies
4
Views
150
flyboy2610
flyboy2610
6716
what happens if I overfill tree he 4l60e?
Replies
3
Views
11K
6716
6716
A
What exhaust makes the 4.2 sound more like the 6.0
Replies
46
Views
9K
CptFrito
C
A
What does changing t-stats do
Replies
3
Views
1K
KNBlazer
KNBlazer
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