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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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Exhaust Recommendations?
Mike534x
May 3, 2017
Replies
25
Views
6K
Oct 31, 2017
Mike534x
Exhaust Pipe Diameter After Resonator
Jayman
Oct 24, 2017
Replies
6
Views
3K
Oct 27, 2017
Jayman
Newbie with 2005 Envoy XL 5.3
Joel Phelps
Oct 9, 2017
Replies
11
Views
4K
Oct 26, 2017
northcreek
Z
Power steering pressure line
Zack2003
Oct 17, 2017
Replies
9
Views
2K
Oct 24, 2017
therealsethallen
NEED HELP
Rainier V8 mods
joshtheawesome
Oct 19, 2017
Replies
3
Views
2K
Oct 20, 2017
DocBrown
Z
Well got the dreaded P0430 code. What Catalytic converter you guys using?
Zack2003
Oct 18, 2017
Replies
4
Views
1K
Oct 18, 2017
AzTruckGuy
Valve-train Noise Questions
l008com
Feb 28, 2017
Replies
34
Views
8K
Oct 15, 2017
Reprise
Help with Transmission
MikeHayes
Aug 11, 2017
Replies
18
Views
3K
Oct 6, 2017
Njg425
5.3 issues
FearlessAZ
Sep 1, 2017
Replies
7
Views
2K
Sep 1, 2017
FearlessAZ
Very short duration "battery not charging"
Paul Bell
Jul 10, 2017
Replies
13
Views
2K
Aug 13, 2017
Paul Bell
Z
How do you change motor mounts
Zack2003
Aug 4, 2017
Replies
3
Views
1K
Aug 5, 2017
Mooseman
N
Collapsed lifter.......
New Envoy
Feb 14, 2017
2
Replies
71
Views
14K
Jul 21, 2017
JimB204
J
R
How to remove starter 2002 Trailblazer 5.3L V8
Robb Turbeville
Jul 15, 2017
Replies
1
Views
3K
Jul 15, 2017
Mooseman
100K Miles....keeping original plugs for now
floridafitz
Jun 21, 2017
Replies
5
Views
1K
Jul 5, 2017
C-ya
Rough Idle on cold start 5.3L
Bow_Tied
Jun 8, 2017
Replies
15
Views
35K
Jun 26, 2017
Bow_Tied
5.3 Oil dipstick extension
floridafitz
Jun 11, 2017
Replies
6
Views
2K
Jun 13, 2017
Mooseman
ACDelco PF48E.....cheap but good?
floridafitz
Jun 10, 2017
Replies
6
Views
1K
Jun 11, 2017
shovenose
Lazy Lifter?
Mike534x
Jun 4, 2017
Replies
14
Views
3K
Jun 7, 2017
Mike534x
B
Engine noise (audio)
Backwoods16
Jun 2, 2017
Replies
4
Views
907
Jun 3, 2017
Backwoods16
B
Z
Removing Trans for main seal leak.
Zack2003
Apr 29, 2017
Replies
26
Views
7K
May 29, 2017
Mooseman
C
06 5.3 VIN M, Lifter Noise, Zero Compeession Cyl #1. DOD Delete help
ChevyShawn
May 2, 2017
Replies
8
Views
4K
May 5, 2017
Tiggerr
Exhaust Manifold Clamps
rizzo20
Apr 27, 2017
Replies
5
Views
4K
Apr 29, 2017
m.mcmillen
T
2007 Envoy Denali Engine Knocking
tomw1314
Feb 22, 2017
Replies
13
Views
8K
Feb 26, 2017
mrrsm
A Nice Variety of GM V8 Engine "How-To" Articles
mrrsm
Feb 13, 2017
Replies
0
Views
2K
Feb 13, 2017
mrrsm
AFM/DOD issues
TxMarine
Jan 12, 2017
Replies
14
Views
5K
Feb 9, 2017
Sparky
Anyone done a head swap on the 5.3? (799 castings, other?)
Reprise
Dec 23, 2016
Replies
4
Views
10K
Dec 25, 2016
northcreek
replace heater hose with regular hoses?
warriorpluto
Dec 18, 2016
Replies
0
Views
887
Dec 18, 2016
warriorpluto
Air Intake Black Box?
l008com
Dec 14, 2016
Replies
3
Views
3K
Dec 14, 2016
mrrsm
What do you get from a Resonator Delete?
l008com
Aug 13, 2016
2
Replies
51
Views
28K
Dec 7, 2016
Derrick Rucker
Adding VVT?
Frazier
Dec 4, 2016
Replies
2
Views
1K
Dec 4, 2016
Mooseman
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Engine & Drivetrain
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