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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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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
Ac heater line leaking
Hawaiianbasshead
May 13, 2021
Replies
24
Views
5K
Jul 11, 2021
Hawaiianbasshead
H
C
Is the Rainer a decent vechicle?
c good
May 8, 2021
Replies
1
Views
3K
May 8, 2021
Mooseman
H
Tuning 05 envoy xl and mod advice
Hawaiianbasshead
May 4, 2021
Replies
15
Views
5K
May 12, 2021
TollKeeper
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
D
40 to 20 oil pressure
dlnelsonroca
Feb 2, 2021
Replies
7
Views
9K
Jul 26, 2021
Mooseman
Any differences in exhausts between the SWB V8s?
Mike534x
Jan 11, 2021
Replies
4
Views
2K
Jan 19, 2021
Mike534x
R
Rocker Torque Procedure
rogersw8n
Dec 24, 2020
Replies
7
Views
11K
Oct 30, 2023
mrrsm
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
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
Driver side valve cover replacement
C-ya
Aug 14, 2020
Replies
16
Views
6K
Oct 10, 2020
mrrsm
A
Ecu/Tcu upgrade/dual spal electric fan install issues
AaronJefferson
Aug 13, 2020
Replies
2
Views
1K
Aug 13, 2020
AaronJefferson
A
E
Drive by cable absolute throttle position % at idle
Enroute
Aug 9, 2020
Replies
20
Views
9K
Aug 14, 2020
TJBaker57
M
Persistent p0172 and p0175
MBS1994
Aug 5, 2020
4
5
6
7
8
Replies
281
Views
26K
Jan 31, 2021
MBS1994
M
E
How much oil can a 5.3 LM7 burn
Enroute
Jul 23, 2020
Replies
27
Views
9K
Oct 7, 2020
mrrsm
D
NEED HELP
Noise when accelerating, idol (until it warms up) and shifts hard from D to R and vice versa
dr_leis7
Jul 19, 2020
Replies
7
Views
2K
Aug 3, 2020
dr_leis7
D
Want to reduce the heat under the hood
aaserv
Jul 6, 2020
Replies
12
Views
2K
Jul 30, 2020
Mektek
M
NEED HELP
04 GMC ENVOY XUV Lift issues
Frost
Jun 23, 2020
Replies
12
Views
5K
Mar 12, 2021
matermark
B
LH6 5.3 replace w/ AFM Delete?
Baddawg
Jun 18, 2020
Replies
2
Views
3K
Jun 18, 2020
Mooseman
Cat Replacement?
Mike534x
Jun 17, 2020
Replies
5
Views
2K
Jun 19, 2020
Mike534x
Y
Using LS Droid with OBDLINK MX +
YUKON87
Jun 17, 2020
Replies
3
Views
4K
Jun 17, 2020
YUKON87
Y
M
Fuel line
Mjmcfarl3
Jun 14, 2020
Replies
9
Views
4K
Jun 16, 2020
C-ya
V-8 Intake Air Temp Sensor
aaserv
May 25, 2020
Replies
5
Views
1K
May 26, 2020
aaserv
AC Compressor clutch?
NT1078
May 25, 2020
Replies
3
Views
2K
May 25, 2020
Mooseman
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Engine & Drivetrain
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