Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.8K
Threads
2.5K
Posts
38.8K
Mike534x
OEM Thermostat Temperature

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
Ilikemy3s
Rate this Used Airfilter

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
E
04 into 07 engine swap
Replies
1
Views
559
Mooseman
Mooseman
zaid3ssaf
SOLVED! Locked out
Replies
19
Views
2K
Tankcruiser
Tankcruiser
B
Transmission Line leak at the wheel well head clamp... temporary fix?
Replies
32
Views
2K
budwich
B
psa55
Oil/Grease Coming From Somewhere
Replies
8
Views
1K
Reprise
Reprise
H
4x4 service light
Replies
2
Views
812
Hawkce541
H
J
Trans Cooler and Power Steering cooler/lines installed
Replies
11
Views
2K
budwich
B
C
Transmission issues please help
Replies
19
Views
2K
JayArr
JayArr
S
Difficulty removing clutch fan
Replies
48
Views
7K
Sprung Monkey
S
C
  • Locked
4l60e help please
Replies
8
Views
1K
Blckshdw
Blckshdw
Metanoiahenery
I really need some advice before I blow up this truck😤
Replies
10
Views
1K
northcreek
northcreek
C
no 3rd or 4th
Replies
3
Views
677
chris6822
C
L
2004 Envoy P0526 code
Replies
1
Views
723
Mooseman
Mooseman
R
Gotta replace Valve Cover Gasket
Replies
5
Views
910
gmcman
gmcman
D
Help! Truck cut off while driving and won’t start now.(Good battery)
Replies
11
Views
1K
KEEBZ489
K
C
NEED HELP Starter only clicks
Replies
18
Views
2K
cretecrawler
C
gmcman
NEED HELP Replacing LH bearing in front diff, have questions.
Replies
19
Views
2K
gmcman
gmcman
B
SOLVED! Randomly stalled and wont restart. P1515 p1516 codes.
Replies
10
Views
11K
JEREMY HALLETT
JEREMY HALLETT
S
02 envoy Transmission
Replies
13
Views
2K
Reprise
Reprise
6716
SOLVED! CV axle will not budge
Replies
21
Views
3K
Mektek
M
S
SOLVED! Trans oil cooler line connector issue
Replies
16
Views
5K
matermark
matermark
K
transfercase output seal part # ?
Replies
4
Views
567
gmcman
gmcman
M
2006 envoy 4.2L no crank no start!!
Replies
9
Views
2K
Motocross103
M
M
4x4 issue
Replies
5
Views
551
Mooseman
Mooseman
A
Transmission Cooler Line Fittings different for 2002?
Replies
8
Views
3K
JayArr
JayArr
G
Strange oil pressure gauge reading.
Replies
4
Views
996
GeoGoGo
G
K
Truck died Need help asap
Replies
17
Views
1K
KEEBZ489
K
bobo52
SOLVED! starting issue- replaced neutral safety switch
Replies
13
Views
4K
bobo52
bobo52
R
Cleaned throttle body - Still misfire (p0300 P0301)
Replies
32
Views
5K
richphotos
R
J
NEED HELP 2008 Chevy trailblazer Lt 4x4
Replies
10
Views
1K
JerryIrons
J
U
P00017 P00014
Replies
42
Views
4K
Uncleenvoy
U
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