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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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Replacement motor '06 Envoy Denali
subssonic
Mar 20, 2015
Replies
21
Views
11K
Mar 26, 2015
C-ya
I
Water pump 5.3?
Instrumental
Mar 21, 2015
Replies
3
Views
1K
Mar 23, 2015
C-ya
R
Changing plugs on the Envoy 5.3L
RedneckEnvoy
Nov 5, 2014
Replies
12
Views
9K
Mar 12, 2015
C-ya
Is this normal?
Jayman
Feb 24, 2015
Replies
7
Views
1K
Feb 24, 2015
Sparky
Starter Motor 5.3, is failure electrical or mechanical
Denali n DOO
Jul 7, 2014
Replies
9
Views
3K
Feb 20, 2015
MoJoRisin'
M
What is the correct fuel pressure, 5.3 engine?
AWD V8
Feb 18, 2015
Replies
5
Views
138K
Feb 19, 2015
AWD V8
Bosch fuel pump in an ACDelco box
AWD V8
Feb 17, 2015
Replies
11
Views
2K
Feb 18, 2015
Midnyteryder196
F
Jet Sound When Starting
fredhouse
Feb 16, 2015
Replies
8
Views
2K
Feb 17, 2015
kickass audio
K
F
2005 GMC Envoy XL Denali - Engine Replacement Options
fixnux
Jan 18, 2015
Replies
3
Views
3K
Feb 14, 2015
Paul Bell
Z
oil pan is leaking how do I remove pan?
Zack2003
Jan 28, 2015
Replies
8
Views
9K
Jan 29, 2015
Sparky
My truck doesn't have a resonator??
Paul Bell
Dec 26, 2014
Replies
11
Views
2K
Dec 27, 2014
dmanns67
LH6 AFM Delete Via HPT?
02 WS6 TA
Sep 18, 2014
Replies
12
Views
3K
Dec 17, 2014
Dan_G
D
throttle (might be an) issue
sunrisor
Dec 3, 2014
Replies
13
Views
2K
Dec 9, 2014
sunrisor
0
miles per gallon with the v8
06envoydenali
Mar 21, 2013
2
3
Replies
94
Views
9K
Dec 1, 2014
02 WS6 TA
Runs fine-then it doesn't-then it does
Paul Bell
Nov 25, 2014
Replies
9
Views
1K
Nov 26, 2014
Paul Bell
Muffler suggestions
RedRocketZ28
Nov 20, 2014
Replies
4
Views
2K
Nov 20, 2014
BlazingTrails
Looking for engine rebuilder in Toronto (Mississauga) area
SaabScott
Nov 7, 2014
Replies
12
Views
2K
Nov 13, 2014
SaabScott
D
Shop Recommendations in St. Paul, MN
Dammage
Oct 29, 2014
Replies
8
Views
1K
Nov 7, 2014
Playsinsnow
J
engine to frame bracket removal? help asap
j-bone
Oct 25, 2014
Replies
6
Views
1K
Nov 3, 2014
C-ya
D
Installing Magnaflow 49886 Cats on '05 EXT
Dammage
Oct 24, 2014
Replies
7
Views
1K
Oct 26, 2014
Mounce
T
Random cylinder misfire, too lean/rich. Help!
TxMaverick75
Aug 16, 2014
Replies
7
Views
2K
Oct 24, 2014
88Ironduke_1
8
M
2004 V8 TB EXT Coolant Leak
MoJoRisin'
Sep 25, 2014
Replies
6
Views
1K
Oct 9, 2014
jimmyjam
K
No ground to coils.
Khaan86
Jul 30, 2014
Replies
30
Views
17K
Sep 18, 2014
Khaan86
K
E
Hard Steering Wheel to the Right only
EyeAmRed2U
Aug 23, 2014
Replies
7
Views
1K
Sep 2, 2014
EyeAmRed2U
E
Replacing my 5.3L, what to look for?
subssonic
Aug 6, 2014
2
Replies
72
Views
5K
Aug 28, 2014
TxMaverick75
T
T
DOD help!!!
TxMaverick75
Aug 17, 2014
Replies
5
Views
1K
Aug 27, 2014
sarg
T
Exhaust Gasket before muffler, Envoy Denali 5.3l
truckmann
Aug 17, 2014
Replies
2
Views
1K
Aug 18, 2014
truckmann
T
T
Anyone know if DOD system runs through a sensor and which one?
TxMaverick75
Aug 17, 2014
Replies
1
Views
918
Aug 17, 2014
Mounce
Possibly blew a brand new head gasket?
bUAkronG
Jul 21, 2014
Replies
7
Views
2K
Aug 15, 2014
bUAkronG
Engine Seized.... What are my options?
subssonic
May 16, 2014
Replies
18
Views
11K
Aug 5, 2014
sarg
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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