Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
V
PO442

Drivetrain New

1.1K
13.3K
Threads
1.1K
Posts
13.3K
JayArr
Crimping new trans cooler lines

Vortec 5.3L V8 New

394
5.2K
Threads
394
Posts
5.2K
0
Runs rough couple miles after starting

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
gmac310
Rear diff carrier bearings
Replies
0
Views
884
gmac310
gmac310
A
P1484 Code- Any ideas?
Replies
5
Views
3K
cntinuum
C
TexazReece
caliper painting + purpose of res
Replies
3
Views
1K
The_Roadie
The_Roadie
M
PCMforless 4th of July Sale!!!!!
Replies
10
Views
2K
marshall@pcm
M
bore_pig
Fuel leak from the top of the tank.
Replies
18
Views
5K
TonyT
T
J
Metal on metal grinding noise, louder on right curve/turn
Replies
26
Views
15K
jemmie
J
M
02 trailblazer ext front and rear wiper issues
Replies
3
Views
1K
The_Roadie
The_Roadie
PBoneBallSack
ODB2 0332 - Knock Sensor 1 Circuit Low Input (Bank 2)
Replies
5
Views
3K
MAY03LT
MAY03LT
P
Emissions Leak
Replies
4
Views
1K
Pakaea
P
G
Different Parts - Weird
Replies
20
Views
3K
Mooseman
Mooseman
BlackoutTBEroc
Idle lopes, Rough Idle #3 cyl. misfire Please help!!
Replies
10
Views
1K
BlackoutTBEroc
BlackoutTBEroc
floridafitz
Turning 170K and neary 10 years
Replies
4
Views
1K
BO TIE SS
B
C
Transmission Cooling line flush? Recommendations Please.
Replies
7
Views
1K
WarGawd
WarGawd
CRAZYDAVE
Shimmy Shake at 75mph
Replies
10
Views
2K
camper1
camper1
J
Blackstone Oil Analysis - Concerned
Replies
6
Views
1K
seanpooh
seanpooh
A
Engine temp gauge moves up a couple of lines only
Replies
9
Views
2K
CaptainXL
C
OctaneRider03
4.2L I6 Head Removal/Engine Restoration
Replies
490
Views
67K
OctaneRider03
OctaneRider03
D
Closed Loop -one or two?
Replies
2
Views
1K
Duane357
D
V
Water Pump
Replies
7
Views
1K
Wooluf1952
Wooluf1952
mubai
SES Light P0420 - Need help diagnosing / replacement
Replies
8
Views
2K
MAY03LT
MAY03LT
D
starter bolt nut size.
Replies
0
Views
913
dp28688
D
M
04 Envoy 4x4 lo won't disengage
Replies
7
Views
2K
BRomanJr
B
A
AC Condensor - Radiator Seal Question
Replies
1
Views
880
AbsoluteZero
A
B
torque converter bolts
Replies
11
Views
2K
Babas11911
B
cchuffman
Another oil question!!!
Replies
7
Views
1K
Denali n DOO
Denali n DOO
warriorpluto
Keeping revs down - a good thing?
Replies
15
Views
1K
dougman
D
0
Couple drivetrain and suspension questions
Replies
10
Views
2K
The_Roadie
The_Roadie
R
Rainier is Stalling and has rough idle??
Replies
6
Views
7K
gmcman
gmcman
gkrenzer
gas smell
Replies
18
Views
15K
Matt
Matt
TollKeeper
Popped my Cherry! First SES Light!!
Replies
4
Views
1K
Voymom
Voymom
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