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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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E
Drive by cable absolute throttle position % at idle
Enroute
Aug 9, 2020
Replies
20
Views
9K
Aug 14, 2020
TJBaker57
C
Dead miss #1 after all dod lifter replacement
cretecrawler
Apr 1, 2020
Replies
26
Views
8K
Aug 14, 2020
Mooseman
A
Ecu/Tcu upgrade/dual spal electric fan install issues
AaronJefferson
Aug 13, 2020
Replies
2
Views
1K
Aug 13, 2020
AaronJefferson
A
D
NEED HELP
Noise when accelerating, idol (until it warms up) and shifts hard from D to R and vice versa
dr_leis7
Jul 19, 2020
Replies
7
Views
2K
Aug 3, 2020
dr_leis7
D
Want to reduce the heat under the hood
aaserv
Jul 6, 2020
Replies
12
Views
2K
Jul 30, 2020
Mektek
M
NEED HELP
Spark plugs....
LT1transAM
Aug 13, 2016
Replies
11
Views
3K
Jun 30, 2020
linneje
Cat Replacement?
Mike534x
Jun 17, 2020
Replies
5
Views
2K
Jun 19, 2020
Mike534x
B
LH6 5.3 replace w/ AFM Delete?
Baddawg
Jun 18, 2020
Replies
2
Views
3K
Jun 18, 2020
Mooseman
Y
Using LS Droid with OBDLINK MX +
YUKON87
Jun 17, 2020
Replies
3
Views
4K
Jun 17, 2020
YUKON87
Y
J
SOLVED!
Disabling DOD
Jkb242
May 18, 2020
Replies
24
Views
17K
Jun 17, 2020
Mooseman
M
Fuel line
Mjmcfarl3
Jun 14, 2020
Replies
9
Views
4K
Jun 16, 2020
C-ya
M
What to do to make it funner
MBS1994
May 22, 2020
Replies
12
Views
2K
May 28, 2020
MBS1994
M
V-8 Intake Air Temp Sensor
aaserv
May 25, 2020
Replies
5
Views
1K
May 26, 2020
aaserv
AC Compressor clutch?
NT1078
May 25, 2020
Replies
3
Views
1K
May 25, 2020
Mooseman
J
Failed compression test, what to do now?
Jkust
Apr 10, 2020
Replies
6
Views
3K
May 17, 2020
TollKeeper
Plug Wire Preference??
aaserv
May 10, 2020
Replies
3
Views
1K
May 10, 2020
aaserv
C
Starts when cold not hot
Codster
May 2, 2020
Replies
9
Views
5K
May 3, 2020
aaserv
Opportunity for me to grab a TBSS intake
Reprise
Feb 27, 2018
Replies
13
Views
7K
Apr 24, 2020
Reprise
Looking for another!
tsmith1156
Apr 9, 2020
2
Replies
52
Views
6K
Apr 17, 2020
tsmith1156
NEED HELP
Overheating 5.3L
aaserv
Apr 4, 2020
Replies
15
Views
13K
Apr 10, 2020
Blckshdw
F
weird noise when Accelerating
fredhouse
Nov 18, 2012
Replies
3
Views
3K
Mar 28, 2020
tony17112acst
T
M
SOLVED!
Codes p0117, p0172, p0175
MBS1994
Feb 26, 2020
Replies
16
Views
17K
Mar 10, 2020
MBS1994
M
NEED HELP
Where does this go? Thread
aaserv
Mar 1, 2020
Replies
2
Views
962
Mar 3, 2020
aaserv
5.3 little known fact...
northcreek
Feb 19, 2020
Replies
3
Views
1K
Feb 19, 2020
HARDTRAILZ
K
NEED HELP
Fuel Line Replacement 2007 Suburban 1500
KCwiz
Feb 18, 2020
Replies
1
Views
897
Feb 18, 2020
Mooseman
H
Misfire Cylinder 1
HJackson
Jan 30, 2020
Replies
8
Views
7K
Feb 2, 2020
mrrsm
Writeup: O2 Sensor GMC '06 Envoy 5.3
CajunWon
May 13, 2018
Replies
12
Views
5K
Jan 30, 2020
Jkb242
J
'06 9-7X 5.3i :: Intermittent Voltage Surge While Driving
MTBoss
Jan 4, 2020
Replies
26
Views
5K
Jan 27, 2020
mrrsm
S
Replacement Starter 06 Denali
STSCowboy
Jan 19, 2020
Replies
3
Views
894
Jan 22, 2020
STSCowboy
S
Z
Squealing noise from 1500 to 2000 RPM
zamimj222
Jan 18, 2020
Replies
4
Views
5K
Jan 22, 2020
mrrsm
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Engine & Drivetrain
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