Vortec 4.2L I-6

C
Purging air from cooling system/Odd idle?? *urgent request*
Replies
5
Views
15K
eXplicit
eXplicit
F
Rough idle, surging while driving, hesitation on takeoff but not always.
Replies
6
Views
15K
Mooseman
Mooseman
jason43080
RPM's Jump After Cleaning Throttle Body
Replies
46
Views
14K
The_Roadie
The_Roadie
limequat
Need engine: Pull from PickNPull or Buy already pulled?
Replies
83
Views
14K
Traz
Traz
D
06 trailblazer - No start, No crank - new starter, Ignition switch, starter relay
Replies
4
Views
14K
DenaliHD66
DenaliHD66
nolongerseemssofar
2002 TB RPMs Surging at highway speeds
Replies
18
Views
14K
nolongerseemssofar
nolongerseemssofar
M
Removing and installing new torque converter
Replies
13
Views
14K
dfc739
dfc739
B
Slight hesitation or bucking in 4th gear.
Replies
15
Views
14K
Mooseman
Mooseman
LouisTB
Stabilitrak Light came on, on drive home.
Replies
9
Views
14K
Mooseman
Mooseman
J
Water Pump Replacement - do the fan clutch at the same time?
Replies
10
Views
14K
joe mama
J
Bondo07
My "cursed" engine rebuild
Replies
117
Views
14K
m.mcmillen
m.mcmillen
L
Envoy Acceleration Issue
Replies
11
Views
14K
The_Roadie
The_Roadie
Gearheadvr4
What years are interchangeable on the I6 4.2 engine?
Replies
7
Views
14K
Tiggerr
Tiggerr
M
NEED HELP 2004 Trailblazer - initial code p0300
Replies
35
Views
14K
Yotarolla97
Y
marinegrunt
Alternator and Thermostat Replacement (How-to)
Replies
12
Views
14K
JayArr
JayArr
WarGawd
One year summary of PCM4Less tuned PCM
Replies
15
Views
14K
HARDTRAILZ
HARDTRAILZ
Maverick6587
Harmonic Balancer Wobble
Replies
24
Views
14K
Mooseman
Mooseman
gmcman
Help to identify top end noise
Replies
117
Views
13K
mrrsm
mrrsm
W
Reduced engine power light outta nowhere
Replies
110
Views
13K
Midnyteryder196
Midnyteryder196
JRTAHOE
How to Clean an 4.2 Inline 6 Throttle Body
Replies
23
Views
13K
LBB
L
Busterbrown
Wheel hub assembly failure?
Replies
42
Views
13K
tom1999d
T
W
NEED HELP Vortec 4.2L I-6 2006 Trailblazer 2 Wheel Drive Oil Pan Removal
Replies
37
Views
13K
wes112565
W
MAY03LT
I6 underhood service specifications
Replies
33
Views
13K
Mooseman
Mooseman
F
Fan clutch is frozen to the water pump
Replies
25
Views
13K
TJBaker57
TJBaker57
R
RPM dip when lightly pressing accelerator at idle
Replies
12
Views
13K
joe mama
J
B
4.2 chain tensioner/tool for head removal
Replies
5
Views
13K
broke4now
B
Traz
Cam shaft
Replies
32
Views
13K
Reprise
Reprise
C
torque settings for the 2006 trailblazer intake manifold gaskets.
Replies
3
Views
13K
Wooluf1952
Wooluf1952
0
Help! please Ive got a code P0606
Replies
10
Views
13K
Eric04
Eric04
P
replacing water pump
Replies
16
Views
13K
BRomanJr
B
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