Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.4K
37.4K
Threads
2.4K
Posts
37.4K
LordBear
baffled with engine miss and over heating

Drivetrain New

1K
12.6K
Threads
1K
Posts
12.6K
Mooseman
Rebuilding the front diff -- tips and tricks

Vortec 5.3L V8 New

376
5K
Threads
376
Posts
5K
Mooseman
How to disable AFM/DOD at no cost

LS2 6.0L V8

39
836
Threads
39
Posts
836
Mooseman
Are all TrailBlazer SS models Full time AWD?
C
Would you put in a new Fuel Pump if it's never been replaced at 190 K miles?
Replies
4
Views
102
Mike534x
Mike534x
JayArr
Gas tank extraction pump recommendations?
Replies
13
Views
333
JayArr
JayArr
P
Frustration
Replies
1
Views
116
mrrsm
mrrsm
Ilikemy3s
Cleaning Air Box?
Replies
1
Views
97
Mooseman
Mooseman
C
Replacement muffler. Possible performance increases? Recommendations please.
Replies
3
Views
144
Mike534x
Mike534x
H
NEED HELP 4WD not working
Replies
4
Views
109
Mooseman
Mooseman
Ilikemy3s
Amsoil power foam ?
Replies
4
Views
113
Mike534x
Mike534x
F
C.V. Axle Seal Part Question
Replies
16
Views
372
FlyFish3rman
F
6716
Thoughts about the 2022 2.7L turbo + 8-speed transmission Silverado?
Replies
10
Views
363
Mike534x
Mike534x
flyboy2610
Question about CV axle angle
Replies
4
Views
107
flyboy2610
flyboy2610
l008com
NEED HELP Stick Dipstick!
Replies
19
Views
3K
l008com
l008com
ghost_leader07
NEED HELP Overheating issue with AC ON!
Replies
49
Views
708
ghost_leader07
ghost_leader07
Ric_Whit
NEED HELP P1221 Only with A/C on
Replies
8
Views
236
mrrsm
mrrsm
S
Engine swap for 07 saab97x 5.3i need advice on used engine please
Replies
86
Views
4K
TollKeeper
TollKeeper
Drec
NEED HELP Shifter locked in neutral
Replies
14
Views
418
Drec
Drec
B
Port-matching 4.2 head
Replies
7
Views
215
efi-diy
E
D
Died and won't start.
Replies
4
Views
302
Mooseman
Mooseman
C
Testing 4WD Actuator/Disconnect?
Replies
22
Views
583
coh998
C
R
Oil pan reinstall, pickup tube in way
Replies
2
Views
263
Mooseman
Mooseman
K
Can a ignition cylinder be recorded to an old key without the previous ignition cylinder?
Replies
2
Views
152
mrrsm
mrrsm
S
How hard can a 5.3 engine install be on gmt360
Replies
15
Views
1K
Reprise
Reprise
psa55
NEED HELP P0651
Replies
17
Views
2K
mrrsm
mrrsm
gmcman
AWD to 2WD conversion possible on Rainier?
Replies
7
Views
316
Mooseman
Mooseman
N
Odd wiring harness issue
Replies
9
Views
303
Nucky
N
Ric_Whit
Replacing Crankshaft Front Seal [SOLVED]
Replies
94
Views
19K
mrrsm
mrrsm
Ilikemy3s
Engine sensor PM ?
Replies
2
Views
224
Ilikemy3s
Ilikemy3s
Harpo
4L60E question
Replies
9
Views
538
6716
6716
Cody0426
No crank no start. And short with TBC#1 FUSE
Replies
10
Views
410
mrrsm
mrrsm
John T.
Strange noises from underneath.
Replies
2
Views
285
John T.
John T.
N
2004 TB, hard shift into 4th
Replies
33
Views
2K
59840Surfer
59840Surfer
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