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
S
Very lean code idling at 900RPM no other drivability issues
Replies
16
Views
5K
BRomanJr
B
R
Horrible clanking mountain coasting(sound clip)
Replies
16
Views
1K
Rendoll911
R
Charles Austin Miller
Coolant still bubbling
Replies
16
Views
2K
JPutnam
JPutnam
D
2005 Trailblazer Stalls 4.2L I6
Replies
16
Views
5K
mrrsm
mrrsm
F
C.V. Axle Seal Part Question
Replies
16
Views
2K
FlyFish3rman
F
wiggles
Don't stone me. 4wd questions
Replies
16
Views
3K
RayVoy
RayVoy
D
NEED HELP Rear Differential identification and possible rebuild!!
Replies
16
Views
5K
darknight76
D
S
Code p0756 loss of power in first I changed shift solenoids no change. need advise.
Replies
16
Views
33K
Reprise
Reprise
6716
$1700 A/C quote to replace the evaporator under the dash
Replies
16
Views
2K
6716
6716
dkvasnicka
Light vibration around 1900 RPM, through gas pedal *only*
Replies
16
Views
10K
dkvasnicka
dkvasnicka
Robbabob
Replaced Plugs, check out the oil and odd plug number...
Replies
16
Views
2K
mrphoenix80
M
ghost_leader07
Grinding noise a specific RPM
Replies
16
Views
9K
gmcman
gmcman
RyanEAS
Steering suddenly super difficult.
Replies
16
Views
2K
stickypoop
S
S
Purely mechanical oem fan clutch on 2008 TB?
Replies
16
Views
2K
sashainwy
S
CDJuda
Ls1 engine swap
Replies
16
Views
3K
ScarabEpic22
ScarabEpic22
S
SOLVED! Trans oil cooler line connector issue
Replies
16
Views
5K
matermark
matermark
Malo
Ngk plugs or ac delco ????? For a 05 trailblazer
Replies
16
Views
7K
kickass audio
K
C
'04 envoy "hums/whines" in 4wd
Replies
16
Views
3K
rcam81
rcam81
MedicatedMike
4 Wheel Drive with mind of its own!?
Replies
16
Views
4K
Up And Down
U
Traz
Transmission Upgrades
Replies
15
Views
3K
Traz
Traz
A
FL Wheel Bearing on 4WD
Replies
15
Views
2K
HARDTRAILZ
HARDTRAILZ
JayArr
Gas tank extraction pump recommendations?
Replies
15
Views
1K
Mooseman
Mooseman
A
Has been slowly loosing power.
Replies
15
Views
2K
Trailblazzin
T
trailblazin06
4x4. Different tire sizes
Replies
15
Views
2K
Numbnutz
N
J
SOLVED! I6 severe miss
Replies
15
Views
1K
Jkesselr
J
kenmyfam
Oil Pressure reading "0"
Replies
15
Views
1K
Redbeard
R
D
P0014 Code
Replies
15
Views
4K
Mooseman
Mooseman
I
New radiator...
Replies
15
Views
1K
Mounce
Mounce
3
removal of front diff
Replies
15
Views
2K
The_Roadie
The_Roadie
D
Wheel Bearing, front, Trailblazer LS 4x4, it must be going bad
Replies
15
Views
8K
JerryIrons
J
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