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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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FAQ: Vortec 5.3L V8
Mooseman
May 3, 2017
Replies
0
Views
7K
May 3, 2017
Mooseman
Normal threads
Oil Level Headaches
l008com
Apr 21, 2023
Replies
17
Views
478
Monday at 12:40 PM
Reprise
J
SOLVED!
Efan Replacement for Stock 2006 Envoy Denali Cooling
Jkb242
Mar 29, 2023
Replies
25
Views
428
Apr 5, 2023
Jkb242
J
From O2 Sensor Code, Right to a New Code (P1174)
l008com
Feb 25, 2023
Replies
10
Views
602
Apr 2, 2023
Mooseman
"Hoping... For Loping..."
mrrsm
Apr 2, 2018
2
3
Replies
119
Views
24K
Feb 13, 2023
mrrsm
Still going...
Paul Bell
Feb 12, 2023
Replies
1
Views
505
Feb 12, 2023
Mooseman
Cheap 5.7 stroker recommendations
HondaBoi
Oct 30, 2022
Replies
4
Views
1K
Oct 31, 2022
HondaBoi
front diff seems to be stuck
HondaBoi
Oct 11, 2022
Replies
6
Views
2K
Oct 13, 2022
Reprise
H
O2 sensor issue from wire damage
Hawaiianbasshead
Sep 21, 2022
Replies
11
Views
2K
Oct 6, 2022
Hawaiianbasshead
H
How to disable AFM/DOD at no cost
Mooseman
Mar 26, 2015
2
Replies
77
Views
160K
Oct 2, 2022
Mooseman
Engine Swap
HondaBoi
Sep 15, 2022
Replies
15
Views
2K
Sep 20, 2022
TollKeeper
I
5.3 vortec envoy random misfire/ rough idle
ImmortalTechnique
Dec 28, 2018
2
Replies
40
Views
13K
Jul 24, 2022
coolasice
C
J
Shifter Bushing Transmission
Jkb242
May 3, 2022
Replies
5
Views
2K
May 13, 2022
tokanero
T
Any pics of underside of V8 4WD/AWD Envoys/TB/Buick/Isuzu especially trans/Xfer case/exhaust?
matermark
Jan 21, 2022
Replies
7
Views
2K
Jan 22, 2022
coolasice
C
What's the deal with E-Fans?
l008com
Jan 16, 2022
Replies
3
Views
2K
Jan 16, 2022
azswiss
2009 Silverado 5.3l rough idle
Ashtonross
Jan 12, 2022
Replies
11
Views
4K
Jan 13, 2022
Ashtonross
H
Ported throttle body
Hawaiianbasshead
Jan 11, 2022
Replies
3
Views
2K
Jan 11, 2022
Hawaiianbasshead
H
NEED HELP
2005 GMC Envoy 5.3 invaded by gremlins
Rumblefish
Jan 4, 2016
Replies
8
Views
5K
Jan 11, 2022
mrrsm
W
P0521
wedge1
Apr 2, 2014
Replies
18
Views
9K
Jan 9, 2022
CajunWon
Interesting tear down of a 5.3 from a TB
northcreek
Sep 25, 2021
Replies
20
Views
3K
Oct 7, 2021
TollKeeper
H
Oil pan gasket ac delco actually oem gm?
Hawaiianbasshead
Sep 9, 2021
Replies
4
Views
2K
Sep 9, 2021
Mooseman
05 envoy xl 5.3 parts interchange?
redline customs
Jul 31, 2021
Replies
6
Views
3K
Aug 26, 2021
redline customs
J
2008 Envoy Denali issues after DOD delete
John338
Aug 18, 2021
Replies
2
Views
3K
Aug 18, 2021
John338
J
F
NEED HELP
2006 Envoy Denali 5.3 rebuild
Freakzilla660
Aug 8, 2021
Replies
2
Views
3K
Aug 9, 2021
Freakzilla660
F
D
40 to 20 oil pressure
dlnelsonroca
Feb 2, 2021
Replies
7
Views
6K
Jul 26, 2021
Mooseman
H
Ac heater line leaking
Hawaiianbasshead
May 13, 2021
Replies
24
Views
4K
Jul 11, 2021
Hawaiianbasshead
H
Oil Pressure on Torque
linneje
Jun 4, 2021
Replies
8
Views
5K
Jul 5, 2021
linneje
Motor mounts
Paul Bell
May 20, 2021
Replies
3
Views
2K
May 21, 2021
Paul Bell
D
I MAY HAVE KILLED THE 5.3
Dpitts
May 17, 2021
Replies
13
Views
3K
May 20, 2021
Dpitts
D
H
Tuning 05 envoy xl and mod advice
Hawaiianbasshead
May 4, 2021
Replies
15
Views
4K
May 12, 2021
TollKeeper
P1682, P0689, P2176 codes and no start when warm
C-ya
Mar 28, 2019
Replies
19
Views
12K
May 9, 2021
Hawaiianbasshead
H
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