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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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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
Interesting tear down of a 5.3 from a TB
northcreek
Sep 25, 2021
Replies
20
Views
4K
Oct 7, 2021
TollKeeper
H
Oil pan gasket ac delco actually oem gm?
Hawaiianbasshead
Sep 9, 2021
Replies
4
Views
3K
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
4K
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
9K
Jul 26, 2021
Mooseman
H
Ac heater line leaking
Hawaiianbasshead
May 13, 2021
Replies
24
Views
5K
Jul 11, 2021
Hawaiianbasshead
H
Oil Pressure on Torque
linneje
Jun 4, 2021
Replies
8
Views
8K
Jul 5, 2021
linneje
Motor mounts
Paul Bell
May 20, 2021
Replies
3
Views
3K
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
5K
May 12, 2021
TollKeeper
P1682, P0689, P2176 codes and no start when warm
C-ya
Mar 28, 2019
Replies
19
Views
15K
May 9, 2021
Hawaiianbasshead
H
C
Is the Rainer a decent vechicle?
c good
May 8, 2021
Replies
1
Views
3K
May 8, 2021
Mooseman
S
how to diagnose 5.3 low oil pressure
Sprung Monkey
Apr 7, 2021
Replies
11
Views
5K
Apr 11, 2021
Sprung Monkey
S
B
5.3 Teardown Vid
bfairweath
Mar 27, 2021
Replies
3
Views
3K
Mar 27, 2021
Mooseman
0
Low oil pressure (5.3)
08 denali
Feb 15, 2014
Replies
27
Views
46K
Mar 23, 2021
jonest3
NEED HELP
04 GMC ENVOY XUV Lift issues
Frost
Jun 23, 2020
Replies
12
Views
5K
Mar 12, 2021
matermark
M
Persistent p0172 and p0175
MBS1994
Aug 5, 2020
4
5
6
7
8
Replies
281
Views
26K
Jan 31, 2021
MBS1994
M
Any differences in exhausts between the SWB V8s?
Mike534x
Jan 11, 2021
Replies
4
Views
2K
Jan 19, 2021
Mike534x
dealer says my 5.3L 'voy does NOT have a oil pressure sensor filter??
Bow_Tied
Jan 17, 2018
Replies
9
Views
11K
Dec 26, 2020
Dhupper
D
5.3 Water Pump Replacement
linneje
Dec 22, 2020
Replies
2
Views
3K
Dec 22, 2020
linneje
Fan Clutch
linneje
Dec 14, 2020
Replies
9
Views
2K
Dec 15, 2020
Mooseman
O
2006 cranks no start
OCM1
Nov 27, 2020
Replies
6
Views
2K
Nov 27, 2020
OCM1
O
Driver side valve cover replacement
C-ya
Aug 14, 2020
Replies
16
Views
6K
Oct 10, 2020
mrrsm
E
How much oil can a 5.3 LM7 burn
Enroute
Jul 23, 2020
Replies
27
Views
9K
Oct 7, 2020
mrrsm
M
V8 longtube question
MBS1994
Sep 28, 2020
Replies
1
Views
2K
Sep 29, 2020
MBS1994
M
O2 sensor washer hack
l008com
Sep 12, 2020
Replies
3
Views
6K
Sep 14, 2020
Mooseman
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Engine & Drivetrain
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