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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
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8K
May 3, 2017
Mooseman
Normal threads
Catalytic converter replacement options EPA vs carb
Gerbil21
Feb 17, 2024
Replies
3
Views
222
Feb 18, 2024
Mike534x
Is my Oil Cap supposed to look like this?
l008com
Dec 15, 2023
Replies
15
Views
719
Dec 16, 2023
Mooseman
F
5.3 head rebuild
Fishnbob
Nov 12, 2023
Replies
12
Views
590
Nov 20, 2023
Fishnbob
F
F
NEED HELP
Bad fuel pump?
Fishnbob
Oct 31, 2023
Replies
18
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720
Nov 12, 2023
Mooseman
From O2 Sensor Code, Right to a New Code (P1174)
l008com
Feb 25, 2023
Replies
26
Views
2K
Nov 12, 2023
l008com
R
Rocker Torque Procedure
rogersw8n
Dec 24, 2020
Replies
7
Views
11K
Oct 30, 2023
mrrsm
Miss-fire on Cylinder 5
l008com
Jul 16, 2023
2
Replies
58
Views
2K
Sep 8, 2023
l008com
J
2006 Envoy Denali Water Pump 2 questions
Jkb242
Sep 3, 2023
Replies
8
Views
547
Sep 6, 2023
Jkb242
J
J
Air Box screws
Jkb242
Sep 6, 2023
Replies
1
Views
345
Sep 6, 2023
Jkb242
J
F
NEED HELP
Replaced TPS with no effect
Fishnbob
Aug 16, 2023
Replies
4
Views
446
Aug 16, 2023
Mooseman
5.3 EXHAUST MANIFOLD BROKEN BOLT FIX
northcreek
Nov 16, 2017
Replies
19
Views
15K
Aug 7, 2023
tigr2000
S
the 05 Saab 97x 5.3 has a ad244 alternator
Sprung Monkey
Aug 2, 2023
Replies
5
Views
628
Aug 3, 2023
Sprung Monkey
S
K
2005 Envoy XL 5.3l AFM Valley cover gasket replace?
Karl Gant
Jul 29, 2023
Replies
2
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596
Jul 29, 2023
Karl Gant
K
J
SOLVED!
Excessive STFT Issue
Jkb242
Jan 19, 2020
Replies
33
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34K
Jul 25, 2023
aslusser
A
How to disable AFM/DOD at no cost
Mooseman
Mar 26, 2015
2
Replies
79
Views
170K
Jul 6, 2023
Mooseman
How-to Envoy 5.3 starter replacement
AWD V8
May 30, 2015
Replies
14
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27K
Jun 11, 2023
Martyelzz4
Oil Level Headaches
l008com
Apr 21, 2023
Replies
17
Views
1K
Jun 5, 2023
Reprise
J
SOLVED!
Efan Replacement for Stock 2006 Envoy Denali Cooling
Jkb242
Mar 29, 2023
Replies
25
Views
2K
Apr 5, 2023
Jkb242
J
"Hoping... For Loping..."
mrrsm
Apr 2, 2018
2
3
Replies
119
Views
27K
Feb 13, 2023
mrrsm
Still going...
Paul Bell
Feb 12, 2023
Replies
1
Views
951
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
3K
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
4K
Sep 20, 2022
TollKeeper
I
5.3 vortec envoy random misfire/ rough idle
ImmortalTechnique
Dec 28, 2018
2
Replies
40
Views
16K
Jul 24, 2022
coolasice
C
J
Shifter Bushing Transmission
Jkb242
May 3, 2022
Replies
5
Views
3K
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
6K
Jan 13, 2022
Ashtonross
H
Ported throttle body
Hawaiianbasshead
Jan 11, 2022
Replies
3
Views
2K
Jan 11, 2022
Hawaiianbasshead
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