Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6

Threads
2.2K
Messages
33K
Threads
2.2K
Messages
33K
Mooseman
Clamping on catalytic converter

Drivetrain

Threads
912
Messages
11.3K
Threads
912
Messages
11.3K
U
Bought junkyard front differential..was I robbed?

Vortec 5.3L V8

Threads
326
Messages
4.1K
Threads
326
Messages
4.1K
T
weird noise when Accelerating

LS2 6.0L V8

Threads
35
Messages
768
Threads
35
Messages
768
xavierny25
NEED HELP Tb SS transmission replacement.
BanditGTP
No Forward or Reverse. Transmission Toast?
Replies
6
Views
66
Mooseman
Mooseman
Big west
4.2 i6 to 5.3 ls
Replies
26
Views
682
Kelly@PCMofNC
Kelly@PCMofNC
S
SOLVED! Trans oil cooler line connector issue
Replies
8
Views
120
S13Hitman
S
S
Heater hose connector broken and stuck
Replies
4
Views
115
S13Hitman
S
6716
Which spark plugs do we like again?
Replies
6
Views
220
Mektek
M
S
Exhaust does not fit
Replies
4
Views
89
Stuntmanmike77
S
A
Vacumm lines locations
Replies
6
Views
91
Mooseman
Mooseman
BanditGTP
4wd Axle Disconnect...Replace or Repair
Replies
3
Views
87
coolride
coolride
N
Motor mount heat shield
Replies
3
Views
80
NJTB
N
BanditGTP
Transmission works again after shutting engine off
Replies
13
Views
320
Reprise
Reprise
CajunWon
SOLVED! Transmission fails to shift
Replies
5
Views
166
CajunWon
CajunWon
6716
Voltage drop when I come off the throttle
Replies
8
Views
172
6716
6716
coolride
Front diff magnetic drain plug.
Replies
1
Views
89
Reprise
Reprise
coolride
SOLVED! Grinding in the front right.
2 3 4
Replies
125
Views
2K
coolride
coolride
M
Spark plug 7 oil fowled
Replies
11
Views
184
MBS1994
M
T
Temp Transmission Cooler Line Question
Replies
23
Views
368
JerryIrons
J
Pygot
SOLVED! Problem Saab 9-7x Crank no start SOLVED
Replies
3
Views
225
Pygot
Pygot
Mike534x
Coolant smell coming through vents, engine not coming up to operating temp
Replies
8
Views
202
m.mcmillen
m.mcmillen
B
SOLVED! Randomly stalled and wont restart. P1515 p1516 codes.
Replies
9
Views
307
STSCowboy
S
WeaponX
New injectors in but throttle body dead?
Replies
10
Views
334
02trailblazin
02trailblazin
C
Noise from engine compartment, need help diagnosing
Replies
7
Views
235
Maverick6587
Maverick6587
Ed's Automotive
1999 4L60 in a 2004
Replies
5
Views
197
MRRSM
MRRSM
S
Replaced Envoy Denali 5.3L V8 Starter in an Hour
Replies
0
Views
109
STSCowboy
S
gmcman
"Service 4WD" after front disconnect install
Replies
7
Views
290
bfairweath
B
Drec
Has anyone thought about converting a TB/Envoy to a manual or stick
Replies
25
Views
2K
HARDTRAILZ
HARDTRAILZ
S
No start no crank
Replies
34
Views
607
Mooseman
Mooseman
K
SOLVED! Loud roar , speed related.
Replies
10
Views
346
kenzoil
K
B
Possible CAD issue
Replies
4
Views
185
BrianF
B
6716
Intermittent metallic noise consistent with wheel speed
Replies
7
Views
215
6716
6716
WeaponX
Where is the fuel pressure regulator on an 05 I6?
Replies
9
Views
344
paul2005tb
paul2005tb
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