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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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Plugs and Wires for the 5.3L
RedEnvoyDenali
Sep 3, 2012
Replies
16
Views
8K
May 26, 2013
am-radio
S
What other vehicles have a compatible 5.3L DOD?
sBoddie
Dec 27, 2012
Replies
7
Views
8K
Jan 14, 2013
ScarabEpic22
Valve-train Noise Questions
l008com
Feb 28, 2017
Replies
34
Views
8K
Oct 15, 2017
Reprise
T
2007 Envoy Denali Engine Knocking
tomw1314
Feb 22, 2017
Replies
13
Views
8K
Feb 26, 2017
mrrsm
Oil Pressure on Torque
linneje
Jun 4, 2021
Replies
8
Views
8K
Jul 5, 2021
linneje
W
Sudden overheating
wsryan
Feb 6, 2013
Replies
17
Views
8K
Feb 20, 2013
meerschm
O
Smoke on startup
oh05ext
Mar 8, 2013
Replies
6
Views
7K
Mar 8, 2013
oh05ext
O
I
5.3 CPAS?
Instrumental
Jul 28, 2013
Replies
18
Views
7K
Nov 19, 2013
northcreek
5.3 Dyno Pull
TXBlazer
May 28, 2012
Replies
21
Views
7K
Jan 19, 2016
warriorpluto
Collapsed a lifter and feeling out the options
smitty5150
Apr 27, 2015
Replies
38
Views
7K
May 5, 2015
smitty5150
H
Misfire Cylinder 1
HJackson
Jan 30, 2020
Replies
8
Views
7K
Feb 2, 2020
mrrsm
Opportunity for me to grab a TBSS intake
Reprise
Feb 27, 2018
Replies
13
Views
7K
Apr 24, 2020
Reprise
Suggestions for Performance Camshaft for 2005 Trailblazer EXT 5.3L V8
ahhyeah
Mar 18, 2015
Replies
14
Views
7K
Apr 6, 2015
C-ya
T
5.3l metal in oil and my nightmare!!!!!
texas81camaro
Jan 8, 2014
Replies
1
Views
7K
Jan 8, 2014
jrSS
0
Cold air intake
06envoydenali
Aug 1, 2012
Replies
35
Views
7K
Mar 16, 2013
deepblue
M
Oil Pressure Switch Replacement - 2006 Saab 9-7x - 5.3
miamirick
Apr 4, 2013
Replies
5
Views
7K
Apr 8, 2013
jimmyjam
Z
Removing Trans for main seal leak.
Zack2003
Apr 29, 2017
Replies
26
Views
7K
May 29, 2017
Mooseman
R
P0420 fixes?
randelli
Jul 9, 2012
Replies
9
Views
7K
Aug 12, 2012
Irishboy02
I
Changing AC belt Tensioner
iceflow
Jan 25, 2014
Replies
8
Views
7K
Aug 5, 2014
sarg
Looking for another!
tsmith1156
Apr 9, 2020
2
Replies
52
Views
6K
Apr 17, 2020
tsmith1156
K
2005 gmc envoy engine ticking and burning oil
KostikaEnvoy
Dec 12, 2012
Replies
2
Views
6K
Dec 12, 2012
KostikaEnvoy
K
dod delete cam recommendation
mark'stb
Nov 24, 2019
Replies
6
Views
6K
Nov 25, 2019
mrrsm
O2 sensor washer hack
l008com
Sep 12, 2020
Replies
3
Views
6K
Sep 14, 2020
Mooseman
2009 Silverado 5.3l rough idle
Ashtonross
Jan 12, 2022
Replies
11
Views
6K
Jan 13, 2022
Ashtonross
Driver side valve cover replacement
C-ya
Aug 14, 2020
Replies
16
Views
6K
Oct 10, 2020
mrrsm
F
Throttle Body change pcm question
fredhouse
Dec 3, 2013
Replies
6
Views
6K
Dec 20, 2013
SSportWagon
S
Exhaust Recommendations?
Mike534x
May 3, 2017
Replies
25
Views
6K
Oct 31, 2017
Mike534x
Engine sounds like plane on take-off
SaabScott
Apr 29, 2014
Replies
16
Views
6K
May 1, 2014
Mooseman
Tracing a coolant leak, or at least trying to
TollKeeper
Feb 22, 2019
Replies
10
Views
6K
Feb 27, 2019
Kelly@PCMofNC
NEED HELP
2005 GMC Envoy 5.3 invaded by gremlins
Rumblefish
Jan 4, 2016
Replies
8
Views
6K
Jan 11, 2022
mrrsm
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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