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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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What is considered a normal idle
jeffro312
Nov 25, 2012
2
Replies
48
Views
3K
Jan 3, 2013
jeffro312
What is a E-fan?
Ghost
Jun 6, 2012
Replies
21
Views
2K
Jun 15, 2012
kardain
N
what if my exhaust manifold is cracked
niceguypmp3
Nov 2, 2020
Replies
3
Views
1K
Nov 4, 2020
Mooseman
T
What else should be done on the engine swap?
TonyT
Jul 2, 2013
Replies
4
Views
879
Jul 3, 2013
Tiggerr
What Does Your 4.2 Engine Sound Like?
jeffro312
Jun 19, 2013
2
Replies
47
Views
4K
Jan 30, 2014
IllogicTC
What does a worn cam phaser sound like?
gmcman
May 3, 2019
Replies
4
Views
3K
May 11, 2019
gmcman
What do you get on a full tank of gas?
AzTruckGuy
Jun 1, 2016
Replies
26
Views
3K
Jan 5, 2017
Torker
What do I fix now?
Bobby D.
Nov 28, 2016
Replies
11
Views
2K
Nov 29, 2016
AzTruckGuy
What Diff fluid does everyone run?
CruzinQueen
Feb 16, 2012
2
Replies
43
Views
5K
Mar 15, 2016
gmcman
R
What causes acceleration 2002 TB
ragtopwife
May 26, 2015
Replies
22
Views
2K
Oct 12, 2015
Mooseman
What brand replacement alternator did you install & what was the year, mileage?
mpd13078
Dec 19, 2014
Replies
19
Views
1K
Jan 9, 2015
Chucky1322
C
P
What are the normal engine and trans. temp
Petey
Feb 19, 2020
Replies
12
Views
2K
Feb 24, 2020
NJTB
N
B
what are norma engine temps in 90F?
bspurloc
Jun 14, 2017
Replies
12
Views
2K
Jul 15, 2017
bspurloc
B
NEED HELP
Wet Coil Pack on CL#06
ghost_leader07
Dec 31, 2020
Replies
18
Views
3K
Feb 5, 2021
ThatOneWhiteTruck
T
S
Went through a puddle, now service 4wd
spadz93
Dec 10, 2019
Replies
4
Views
884
Dec 10, 2019
spadz93
S
well I'm at a loss
eyepopn
May 10, 2015
2
Replies
46
Views
4K
May 30, 2015
eyepopn
B
Weird tick like sound at start up
Berns
Nov 14, 2016
Replies
9
Views
1K
Nov 28, 2016
Sparky
Weird readings from new fan clutch.
JayArr
Sep 27, 2020
Replies
5
Views
709
Sep 28, 2020
JayArr
Weird noise on startup during acceleration
LouisTB
Sep 5, 2016
Replies
2
Views
758
Sep 5, 2016
LouisTB
A
Weird noise from engine
acpowell
Apr 26, 2012
Replies
10
Views
1K
Apr 27, 2012
stormsurge
Weird noise after startup in cold weather
03envoy
Feb 12, 2013
Replies
11
Views
1K
Feb 13, 2013
03envoy
S
Weird issue
Stuntmanmike77
Jun 9, 2019
Replies
9
Views
1K
Jun 21, 2019
DocBrown
N
Weird fan clutch + transmission issue.
Niklaus
Jun 9, 2014
Replies
9
Views
6K
Jun 18, 2014
KNBlazer
B
Weird exhaust flow felt at tailpipe
blackout51
Mar 13, 2013
Replies
4
Views
1K
Mar 13, 2013
blackout51
B
Weird Cooling problem
JayArr
Aug 18, 2023
Replies
30
Views
1K
Sep 3, 2023
JayArr
Weird Battery Issue
Vicompc
May 22, 2012
Replies
8
Views
1K
May 23, 2012
The_Roadie
A
Weird 4wd issue. Stuck in 4hi!!!!
Absmithing
Jan 20, 2014
Replies
16
Views
2K
Feb 21, 2014
The_Roadie
Weird "Engine Knock" Diagnostic Technique
mrrsm
Oct 30, 2021
Replies
0
Views
734
Oct 30, 2021
mrrsm
Weekend to do list is done.
xavierny25
Mar 24, 2014
Replies
6
Views
921
Mar 28, 2014
Robbabob
we really do have a state of the art engine
George
Feb 23, 2012
Replies
19
Views
3K
Mar 19, 2012
400Magnum
4
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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