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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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T
Exhaust Gasket before muffler, Envoy Denali 5.3l
truckmann
Aug 17, 2014
Replies
2
Views
1K
Aug 18, 2014
truckmann
T
5.3 little known fact...
northcreek
Feb 19, 2020
Replies
3
Views
1K
Feb 19, 2020
HARDTRAILZ
Z
Well got the dreaded P0430 code. What Catalytic converter you guys using?
Zack2003
Oct 18, 2017
Replies
4
Views
1K
Oct 18, 2017
AzTruckGuy
I
Water pump 5.3?
Instrumental
Mar 21, 2015
Replies
3
Views
1K
Mar 23, 2015
C-ya
Z
How do you change motor mounts
Zack2003
Aug 4, 2017
Replies
3
Views
1K
Aug 5, 2017
Mooseman
Is this normal?
Jayman
Feb 24, 2015
Replies
7
Views
1K
Feb 24, 2015
Sparky
C
To toss in a converter or not....
chicagotransam
Dec 17, 2013
Replies
7
Views
1K
Dec 29, 2013
chicagotransam
C
A
Ecu/Tcu upgrade/dual spal electric fan install issues
AaronJefferson
Aug 13, 2020
Replies
2
Views
1K
Aug 13, 2020
AaronJefferson
A
D
Shop Recommendations in St. Paul, MN
Dammage
Oct 29, 2014
Replies
8
Views
1K
Nov 7, 2014
Playsinsnow
B
NEED HELP
Driveshaft removal
Backwoods16
Apr 23, 2016
Replies
2
Views
1K
Apr 24, 2016
Backwoods16
B
Plug Wire Preference??
aaserv
May 10, 2020
Replies
3
Views
1K
May 10, 2020
aaserv
Adding VVT?
Frazier
Dec 4, 2016
Replies
2
Views
1K
Dec 4, 2016
Mooseman
T
Upstream O2 DIY Tutorial?
tripn4days
Jun 5, 2014
Replies
1
Views
1K
Jun 6, 2014
BRomanJr
B
O
jerky WOT
OMGTruk
May 23, 2013
Replies
1
Views
1K
May 23, 2013
jimmyjam
Fluid leak and LOTS of smoke
subssonic
Aug 10, 2013
Replies
2
Views
1K
Aug 10, 2013
triz
Oil pressure gauge under 1000 rpm's
Denali n DOO
Jul 9, 2012
Replies
1
Views
1K
Jul 9, 2012
cbwilsha
C
NEED HELP
Noise at idle
LT1transAM
Aug 15, 2016
Replies
6
Views
1K
Sep 12, 2016
Mooseman
DOD/AFM (dis?)engagement at highway speeds
C-ya
Jul 29, 2013
Replies
0
Views
1K
Jul 29, 2013
C-ya
Denali gave me a scare today...
northcreek
Jan 30, 2018
Replies
3
Views
1K
Jan 31, 2018
Mooseman
C
Wiring problem at shift lever
Chetter62
Apr 29, 2012
Replies
3
Views
1K
May 6, 2012
linneje
T
Need knowledgeable O2 Sensor Feedback
tripn4days
May 30, 2014
Replies
4
Views
1K
Jun 1, 2014
Chickenhawk
L
no crank no start issue - could be the ignition switch?
lincolnshibuya
Jun 10, 2018
Replies
6
Views
1K
Jun 18, 2018
lincolnshibuya
L
C
06 Denali exhaust suggestions/questions, will either of these fit??
coops09gxp
Mar 31, 2014
Replies
0
Views
1K
Mar 31, 2014
coops09gxp
C
I
Dealer repair list...
Instrumental
Oct 29, 2013
Replies
4
Views
1K
Oct 31, 2013
Instrumental
I
S
Engine Oil Cooler
Skier
Feb 9, 2016
Replies
4
Views
1K
Feb 10, 2016
Mooseman
Used 2008 5.3L....what to look for
floridafitz
Sep 8, 2013
Replies
1
Views
1K
Sep 8, 2013
Ryda55555
New Catalytic Converter - P0420
l008com
Aug 23, 2018
Replies
2
Views
1K
Aug 23, 2018
Mooseman
Oil pan leak
Dirt Dobber
Aug 5, 2013
Replies
1
Views
1K
Aug 5, 2013
Mooseman
Knock sensor
ND-1965C10
Apr 21, 2016
Replies
3
Views
1K
Apr 21, 2016
therealsethallen
Oilfilter SAAB 9-7
farmer2030
Mar 19, 2018
Replies
5
Views
1K
Mar 20, 2018
farmer2030
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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