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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
8K
May 3, 2017
Mooseman
Normal threads
F
5.3 head rebuild
Fishnbob
Nov 12, 2023
Replies
12
Views
258
Nov 20, 2023
Fishnbob
F
F
NEED HELP
Bad fuel pump?
Fishnbob
Oct 31, 2023
Replies
18
Views
356
Nov 12, 2023
Mooseman
From O2 Sensor Code, Right to a New Code (P1174)
l008com
Feb 25, 2023
Replies
26
Views
1K
Nov 12, 2023
l008com
R
Rocker Torque Procedure
rogersw8n
Dec 24, 2020
Replies
7
Views
10K
Oct 30, 2023
mrrsm
Miss-fire on Cylinder 5
l008com
Jul 16, 2023
2
Replies
58
Views
1K
Sep 8, 2023
l008com
J
2006 Envoy Denali Water Pump 2 questions
Jkb242
Sep 3, 2023
Replies
8
Views
326
Sep 6, 2023
Jkb242
J
J
Air Box screws
Jkb242
Sep 6, 2023
Replies
1
Views
199
Sep 6, 2023
Jkb242
J
F
NEED HELP
Replaced TPS with no effect
Fishnbob
Aug 16, 2023
Replies
4
Views
297
Aug 16, 2023
Mooseman
5.3 EXHAUST MANIFOLD BROKEN BOLT FIX
northcreek
Nov 16, 2017
Replies
19
Views
14K
Aug 7, 2023
tigr2000
S
the 05 Saab 97x 5.3 has a ad244 alternator
Sprung Monkey
Aug 2, 2023
Replies
5
Views
409
Aug 3, 2023
Sprung Monkey
S
K
2005 Envoy XL 5.3l AFM Valley cover gasket replace?
Karl Gant
Jul 29, 2023
Replies
2
Views
383
Jul 29, 2023
Karl Gant
K
J
SOLVED!
Excessive STFT Issue
Jkb242
Jan 19, 2020
Replies
33
Views
31K
Jul 25, 2023
aslusser
A
How to disable AFM/DOD at no cost
Mooseman
Mar 26, 2015
2
Replies
79
Views
167K
Jul 6, 2023
Mooseman
How-to Envoy 5.3 starter replacement
AWD V8
May 30, 2015
Replies
14
Views
26K
Jun 11, 2023
Martyelzz4
Oil Level Headaches
l008com
Apr 21, 2023
Replies
17
Views
964
Jun 5, 2023
Reprise
J
SOLVED!
Efan Replacement for Stock 2006 Envoy Denali Cooling
Jkb242
Mar 29, 2023
Replies
25
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1K
Apr 5, 2023
Jkb242
J
"Hoping... For Loping..."
mrrsm
Apr 2, 2018
2
3
Replies
119
Views
26K
Feb 13, 2023
mrrsm
Still going...
Paul Bell
Feb 12, 2023
Replies
1
Views
811
Feb 12, 2023
Mooseman
Cheap 5.7 stroker recommendations
HondaBoi
Oct 30, 2022
Replies
4
Views
2K
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
3K
Oct 6, 2022
Hawaiianbasshead
H
Engine Swap
HondaBoi
Sep 15, 2022
Replies
15
Views
3K
Sep 20, 2022
TollKeeper
I
5.3 vortec envoy random misfire/ rough idle
ImmortalTechnique
Dec 28, 2018
2
Replies
40
Views
15K
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
3K
Jan 22, 2022
coolasice
C
What's the deal with E-Fans?
l008com
Jan 16, 2022
Replies
3
Views
3K
Jan 16, 2022
azswiss
2009 Silverado 5.3l rough idle
Ashtonross
Jan 12, 2022
Replies
11
Views
5K
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
6K
Jan 11, 2022
mrrsm
W
P0521
wedge1
Apr 2, 2014
Replies
18
Views
9K
Jan 9, 2022
CajunWon
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