Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.9K
Threads
2.5K
Posts
38.9K
Sqrly
Horn dose not work
  • Sqrly

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
l008com
Is this amount of differential play normal?
Replies
2
Views
52
l008com
l008com
S
Got stranded
Replies
13
Views
323
Mike534x
Mike534x
zaid3ssaf
4.2L Dieseling sound
Replies
20
Views
2K
Mooseman
Mooseman
flyboy2610
What happens if you overfill your engine oil?
Replies
4
Views
149
flyboy2610
flyboy2610
W
Defective Battery or did my TB fry it?
Replies
4
Views
161
mrrsm
mrrsm
W
Thermostat Preventative/Proactive Replacement
Replies
13
Views
570
wormwood1978
W
T
NEED HELP Please, help accessing front 3 bolts on oil pan in order to remove it.
Replies
2
Views
182
Mooseman
Mooseman
C
BG Products E.P.R. Seems to be helping oil consumption
Replies
0
Views
119
c good
C
M
2005 Trailblazer Starting Issues.
Replies
7
Views
528
Realism
Realism
Btorres1977GContractor
Please Help Identify Broken Sensor
Replies
1
Views
258
mrrsm
mrrsm
C
Worth picking up an extra engine?
Replies
6
Views
405
c good
C
MPB
New York State inspection fail
Replies
11
Views
447
AmpOverload
AmpOverload
Ilikemy3s
Bound to happen sooner or later
Replies
5
Views
313
mrrsm
mrrsm
Realism
Whirring buzz from under the hood, take a guess
Replies
12
Views
604
Realism
Realism
K
2002 Trailblazer airbox question
Replies
3
Views
209
Blckshdw
Blckshdw
movietvet
2002 TB 4.2 died at stop & immediate restart
Replies
51
Views
2K
movietvet
movietvet
C
BG EPR oil treatment?
Replies
3
Views
340
Mooseman
Mooseman
C
Do the 5.3 Envoys and Trailblazers have the "Tow/Haul" feature?
Replies
6
Views
462
Mooseman
Mooseman
C
2002 Envoy, 4x4. Starter motor replacement tips?
Replies
6
Views
338
TollKeeper
TollKeeper
S
Slight hesitation/vibration at idle
Replies
10
Views
487
mrrsm
mrrsm
Dmflash
Wheel bearing hub assembly
Replies
68
Views
4K
far eastan
F
l008com
NAPA High Mileage Oil?
Replies
4
Views
651
Know1else
K
ghost_leader07
NEED HELP Possible bad fuel pump (confirmation needed)
Replies
28
Views
978
mrrsm
mrrsm
B
No crank no start isn't it lovely
Replies
83
Views
2K
bennieRohde
B
M
E-Fan issue
Replies
5
Views
419
Mooseman
Mooseman
ghost_leader07
NEED HELP P0171 on my 04 Trailblazer LT won't go away
Replies
117
Views
8K
mrrsm
mrrsm
gmcman
Where can I get the TCC PWM eliminator kit?
Replies
3
Views
477
Sparky
Sparky
Dmflash
P0495 code
Replies
6
Views
322
Mooseman
Mooseman
RiverGuy
Confirmed: Clearing codes re-enables Cruise Control
Replies
4
Views
790
AmpOverload
AmpOverload
Firebyrd91
Low Voltage to Transmission Pressure Switch
Replies
0
Views
296
Firebyrd91
Firebyrd91
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