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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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M
What to do to make it funner
MBS1994
May 22, 2020
Replies
12
Views
2K
May 28, 2020
MBS1994
M
J
SOLVED!
Disabling DOD
Jkb242
May 18, 2020
Replies
24
Views
18K
Jun 17, 2020
Mooseman
Plug Wire Preference??
aaserv
May 10, 2020
Replies
3
Views
1K
May 10, 2020
aaserv
C
Starts when cold not hot
Codster
May 2, 2020
Replies
9
Views
5K
May 3, 2020
aaserv
J
Failed compression test, what to do now?
Jkust
Apr 10, 2020
Replies
6
Views
3K
May 17, 2020
TollKeeper
Looking for another!
tsmith1156
Apr 9, 2020
2
Replies
52
Views
6K
Apr 17, 2020
tsmith1156
NEED HELP
Overheating 5.3L
aaserv
Apr 4, 2020
Replies
15
Views
13K
Apr 10, 2020
Blckshdw
C
Dead miss #1 after all dod lifter replacement
cretecrawler
Apr 1, 2020
Replies
26
Views
8K
Aug 14, 2020
Mooseman
NEED HELP
Where does this go? Thread
aaserv
Mar 1, 2020
Replies
2
Views
976
Mar 3, 2020
aaserv
M
SOLVED!
Codes p0117, p0172, p0175
MBS1994
Feb 26, 2020
Replies
16
Views
17K
Mar 10, 2020
MBS1994
M
5.3 little known fact...
northcreek
Feb 19, 2020
Replies
3
Views
1K
Feb 19, 2020
HARDTRAILZ
K
NEED HELP
Fuel Line Replacement 2007 Suburban 1500
KCwiz
Feb 18, 2020
Replies
1
Views
911
Feb 18, 2020
Mooseman
H
Misfire Cylinder 1
HJackson
Jan 30, 2020
Replies
8
Views
7K
Feb 2, 2020
mrrsm
J
SOLVED!
Excessive STFT Issue
Jkb242
Jan 19, 2020
Replies
33
Views
35K
Jul 25, 2023
aslusser
A
S
Replacement Starter 06 Denali
STSCowboy
Jan 19, 2020
Replies
3
Views
903
Jan 22, 2020
STSCowboy
S
5.3 LH6 engine sources
C-ya
Jan 18, 2020
Replies
10
Views
4K
Jan 20, 2020
Reprise
Z
Squealing noise from 1500 to 2000 RPM
zamimj222
Jan 18, 2020
Replies
4
Views
5K
Jan 22, 2020
mrrsm
NEED HELP
06 Envoy Denali 5.3 No Spark
HardTimes
Jan 11, 2020
Replies
22
Views
9K
Jan 17, 2020
Mooseman
'06 9-7X 5.3i :: Intermittent Voltage Surge While Driving
MTBoss
Jan 4, 2020
Replies
26
Views
5K
Jan 27, 2020
mrrsm
J
2006 Envoy Denali 5.3L coolant temp stays at 100
Jkb242
Dec 19, 2019
Replies
10
Views
4K
Dec 22, 2019
Bow_Tied
J
SOLVED!
New high pitched squeal heard at idle
Jkb242
Dec 16, 2019
Replies
9
Views
3K
Jan 7, 2020
Mooseman
how to remove oil pickup tube bolt??
mark'stb
Nov 27, 2019
Replies
6
Views
12K
Dec 1, 2019
mark'stb
dod delete cam recommendation
mark'stb
Nov 24, 2019
Replies
6
Views
6K
Nov 25, 2019
mrrsm
deleting DOD
mark'stb
Nov 16, 2019
Replies
23
Views
11K
Dec 19, 2019
Mooseman
I
2003 envoy xl 5.3 vortec AWD issue
ImmortalTechnique
Oct 1, 2019
Replies
1
Views
862
Oct 1, 2019
TollKeeper
A
Performance parts trip tps?
AaronJefferson
Sep 26, 2019
Replies
3
Views
1K
Sep 26, 2019
Mooseman
A
Aftermarket headers
AaronJefferson
Sep 5, 2019
Replies
5
Views
2K
Sep 7, 2019
mrrsm
How to refill coolant without overheating
Mooseman
Aug 10, 2019
Replies
4
Views
1K
Aug 17, 2019
Reprise
M
Vaccuum line?
Mjmcfarl3
Aug 10, 2019
Replies
6
Views
1K
Aug 11, 2019
northcreek
Gathering some intell
TollKeeper
Aug 2, 2019
Replies
11
Views
2K
Aug 6, 2019
HARDTRAILZ
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Engine & Drivetrain
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