Engine & Drivetrain

Repairs, tuning, modifications, & maintenance.

Vortec 4.2L I-6 New

2.5K
38.6K
Threads
2.5K
Posts
38.6K
mrrsm
NEED HELP Clean Throttle & MAF Sensor... Still Rough at Idle...
  • mrrsm

Drivetrain New

1K
13.2K
Threads
1K
Posts
13.2K
F
Better U-Joint

Vortec 5.3L V8 New

388
5.1K
Threads
388
Posts
5.1K
l008com
From O2 Sensor Code, Right to a New Code (P1174)

LS2 6.0L V8 New

40
838
Threads
40
Posts
838
Mooseman
P0689, p0335
rolo95
temp raise after 15 min drive with AC on, but go back if i turn off AC
Replies
21
Views
350
aaserv
aaserv
corky
New exhaust manifold
Replies
4
Views
276
JayArr
JayArr
l008com
SOLVED! Loose, Rattle-y Heat Sheilds
Replies
24
Views
609
JayArr
JayArr
W
Exhaust Pipe to Manifold Gasket
Replies
5
Views
151
wormwood1978
W
M
4.2 motor swap
Replies
8
Views
290
Mooseman
Mooseman
RiverGuy
Confirmed: Clearing codes re-enables Cruise Control
Replies
3
Views
196
AmpOverload
AmpOverload
H
Signal wire shows 12 volts... ignition off
Replies
6
Views
207
TJBaker57
TJBaker57
C
SOLVED! Clunking from rear end
Replies
14
Views
597
pell
P
HMan_Rainier
P0305, AWD failure, and loss of cruise control
Replies
54
Views
1K
mrrsm
mrrsm
zaid3ssaf
Carbon cleaning the 4.2L LL8. Experiment
Replies
3
Views
3K
mrrsm
mrrsm
gmcman
Transmission compatibility of pre '06 models
Replies
2
Views
202
gmcman
gmcman
psa55
Clutch or Bearing Noise? - Getting Bad
Replies
7
Views
658
psa55
psa55
T
Loss of power
Replies
7
Views
255
TollKeeper
TollKeeper
TollKeeper
Check my logic - Part 2!
Replies
25
Views
596
Mooseman
Mooseman
P
Where did the oil go?
Replies
11
Views
366
Mooseman
Mooseman
6716
4wd clunks hard, does not immediately engage when selected
Replies
22
Views
1K
Mooseman
Mooseman
zaid3ssaf
4L60e.... To flush or not to flush?
Replies
19
Views
6K
zaid3ssaf
zaid3ssaf
movietvet
SOLVED! Intermittent stops cranking during start attempt
Replies
76
Views
2K
movietvet
movietvet
F
I6 Blown head gasket
Replies
8
Views
277
Fishnbob
F
Big west
4.2 i6 to 5.3 ls
Replies
39
Views
5K
Fishnbob
F
S
Purely mechanical oem fan clutch on 2008 TB?
Replies
16
Views
1K
sashainwy
S
Petnatcar
FUEL FILTER for 2005, 4.2, 4WD
Replies
3
Views
222
Petnatcar
Petnatcar
P
Diagnosing and prep for harmonic balancer replacement 4.2 L I6
Replies
29
Views
778
mrrsm
mrrsm
gmcman
AWD to 2WD conversion possible on Rainier?
Replies
9
Views
1K
midnightbluS10
midnightbluS10
Ric_Whit
Replacing Crankshaft Front Seal [SOLVED]
Replies
106
Views
25K
richphotos
R
Daniel644
The Ultimate "while your in there" overhaul
Replies
9
Views
339
Mooseman
Mooseman
Ilikemy3s
Trans fluid color ?
Replies
9
Views
1K
Mooseman
Mooseman
Dmflash
Wheel bearing hub assembly
Replies
8
Views
850
budwich
B
C
05 sierra Stuck in 2nd
Replies
2
Views
225
Mooseman
Mooseman
l008com
Trying to Decode my Error Code(s)
Replies
21
Views
684
Mooseman
Mooseman
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