Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
R
Only 3000 miles on oil, but One year old. Change filter too?

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
H
Would a certified GM shop do this???
Replies
29
Views
2K
dmanns67
dmanns67
M
same trucks 2 different power output.
Replies
29
Views
2K
minisuv
M
L
03 Envoy rattling in 2HI over 40mph
Replies
29
Views
3K
lschafroth
L
BanditGTP
Transmission works again after shutting engine off
Replies
29
Views
5K
Mooseman
Mooseman
hawkeye405
NEED HELP Exhaust drone
Replies
29
Views
6K
hawkeye405
hawkeye405
I
Preferred Transmission Fluid
Replies
29
Views
5K
Lima Tango
Lima Tango
P
Diagnosing and prep for harmonic balancer replacement 4.2 L I6
Replies
29
Views
2K
mrrsm
mrrsm
R
replacing thermostat, need opinions
Replies
28
Views
2K
Revans381996
R
Boricua SS
Year long battle is finally over...
Replies
28
Views
2K
Boricua SS
Boricua SS
gmcman
Where to purchase fan clutch
Replies
28
Views
2K
DFWWIZ
DFWWIZ
ghost_leader07
NEED HELP Possible bad fuel pump (confirmation needed)
Replies
28
Views
973
mrrsm
mrrsm
J
Cooling question
Replies
28
Views
2K
David B.
David B.
Shaw520
Coil Packs
Replies
28
Views
4K
Shaw520
Shaw520
N
Idles at 900
Replies
28
Views
3K
NJTB
N
snoozer
New fan clutch installed. Have a question
Replies
27
Views
6K
David Mellado
David Mellado
A
Time for a new truck - need advise
Replies
27
Views
2K
dmanns67
dmanns67
joepro17
please advise, change oil light.
Replies
27
Views
2K
Mark20
Mark20
T
Check Engine Light Confusion
Replies
27
Views
2K
TNEnvoyXL
T
bmartinezx3
Fuel gauge problems. Cluster or sending unit ???
Replies
27
Views
4K
BlazingTrails
BlazingTrails
J
Trailblazer crank no start
Replies
27
Views
3K
TollKeeper
TollKeeper
BanditGTP
4wd Axle Disconnect...Replace or Repair
Replies
27
Views
5K
chris68369
C
N
Exhaust manifold bolts
Replies
27
Views
2K
BlazingTrails
BlazingTrails
P
Throttle Position %?
Replies
27
Views
2K
PLAT515
P
hawkeye405
Service Engine and Reduce Engine Power lights
Replies
27
Views
6K
hawkeye405
hawkeye405
MikeHayes
My Trailblazer is dying
Replies
26
Views
2K
vipergg
V
J
Metal on metal grinding noise, louder on right curve/turn
Replies
26
Views
15K
jemmie
J
N
Differential cover
Replies
25
Views
3K
Mooseman
Mooseman
mrrsm
  • Locked
Are the '02 & '04 Atlas Engines Fully Interchangeabe?
Replies
25
Views
2K
mrrsm
mrrsm
S
NEED HELP 4x4 Working strange
Replies
25
Views
2K
chris68369
C
H
2006 transfer case issue
Replies
25
Views
4K
The_Roadie
The_Roadie
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