Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.8K
Threads
2.5K
Posts
38.8K
J
Gas tank venting issues can't fill

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

392
5.2K
Threads
392
Posts
5.2K
Mike534x
Catalytic converter replacement options EPA vs carb

LS2 6.0L V8

40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
l008com
SOLVED! Bad Wheel Bearings
Replies
59
Views
5K
TollKeeper
TollKeeper
C
1 Quart in 2600 miles OK?
Replies
2
Views
495
Mooseman
Mooseman
C
Codes p0740 p0785 p01860
Replies
2
Views
1K
mrrsm
mrrsm
WhiteWolf
NEED HELP Gas Caps
Replies
3
Views
722
Mooseman
Mooseman
C
I'm going to use the A.C. Delco T.E.C. Liquid or Aerosol?
Replies
3
Views
1K
NJTB
N
H
hard start when warm and run-on
Replies
2
Views
908
NJTB
N
MrShelley
NEED HELP Recommended Exhaust Manifold Replacement?
Replies
15
Views
2K
Schurkey
Schurkey
J
Do you guys think this ball joint is bad?
Replies
9
Views
2K
flyboy2610
flyboy2610
04trailblazer1991
04 tb 4.2 rough jolt when start or turn off.
Replies
12
Views
1K
04trailblazer1991
04trailblazer1991
R
NEED HELP 06 Trailblazer EXT 4.2 Engine swap
Replies
30
Views
4K
NJTB
N
Reprise
So, did I dodge a bullet? (front diff)
Replies
11
Views
1K
Reprise
Reprise
N
Novice Attempting TC & Disconnect Service, Help?
Replies
76
Views
8K
NotAMechanic
N
T
Gas Cap
Replies
5
Views
1K
tucker12
T
C
A.C. Delco Foaming Top End Cleaner....
Replies
9
Views
5K
mrrsm
mrrsm
J
5.3 oil pressure
Replies
4
Views
754
Jh1984oh1
J
M
P1482 Code- AFTER replacing Clutch fan
Replies
10
Views
25K
filthyfingers
filthyfingers
S
Low coolant temperature
Replies
10
Views
1K
santon
S
C
2002 cylinder liner failure? Just curious.
Replies
9
Views
771
Mooseman
Mooseman
gmcman
Rough idle when first started
Replies
20
Views
2K
Mooseman
Mooseman
Yeagamyster04
5.3 swap again.....
Replies
19
Views
1K
Yeagamyster04
Yeagamyster04
S
Cruising good only about 1.5 miles then she cuts off.
Replies
59
Views
5K
Martyelzz4
Martyelzz4
H
2006 trailblazer rear a/c line replacement
Replies
1
Views
379
Mooseman
Mooseman
C
ATS CRO 505....anyone tried this stuff?
Replies
4
Views
5K
Mooseman
Mooseman
C
Starting routine. Is this normal?
Replies
6
Views
804
c good
C
flyboy2610
P0506 code
Replies
0
Views
1K
flyboy2610
flyboy2610
A
What exhaust makes the 4.2 sound more like the 6.0
Replies
46
Views
9K
CptFrito
C
6716
Rear diff assembly: used or remanufactured?
Replies
8
Views
2K
TJBaker57
TJBaker57
T
Not the standard shift cable problem
Replies
14
Views
2K
Tinker
T
S
NEED HELP 4x4 Working strange
Replies
25
Views
2K
chris68369
C
BanditGTP
4wd Axle Disconnect...Replace or Repair
Replies
27
Views
5K
chris68369
C
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