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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 5.3L V8
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Changing Fluids
ChriSS K
Aug 5, 2012
Replies
11
Views
2K
Oct 2, 2012
playstrings
P
Exhaust Resonator elimination
northcreek
Sep 18, 2012
Replies
2
Views
1K
Sep 18, 2012
northcreek
Exhaust mods
northcreek
Sep 16, 2012
Replies
1
Views
1K
Sep 16, 2012
McGMT
M
D
My engine is almost stalling when coming to a stop.
dcbenvoy
Aug 27, 2012
Replies
6
Views
1K
Sep 13, 2012
BuckeyeEvan
Engine coolant block drain
am-radio
Sep 7, 2012
Replies
2
Views
2K
Sep 7, 2012
am-radio
P
Ignition Switch or Starter Problem
paperenginner
Dec 20, 2011
Replies
4
Views
4K
Sep 3, 2012
Gibby
G
D
Oil pressure gage maxxed out.
dcbenvoy
Aug 27, 2012
Replies
7
Views
4K
Aug 28, 2012
dcbenvoy
D
B
Anyone ever had a problem with spark knock?
Biff85ta
Jul 20, 2012
Replies
12
Views
2K
Aug 20, 2012
Biff85ta
B
R
P0420 fixes?
randelli
Jul 9, 2012
Replies
9
Views
7K
Aug 12, 2012
Irishboy02
A
5.3 v8 w/ 3.73 ratio
alltimeqb
Dec 28, 2011
Replies
30
Views
3K
Aug 2, 2012
mnypitTBEXT
M
Y
CAI For '04 Rainier w/ 5.3?
yonkerss
Apr 8, 2012
Replies
6
Views
2K
Aug 2, 2012
yonkerss
Y
Oil pressure gauge under 1000 rpm's
Denali n DOO
Jul 9, 2012
Replies
1
Views
1K
Jul 9, 2012
cbwilsha
C
Does your 5.3 do this?
northcreek
Apr 15, 2012
Replies
26
Views
3K
Jun 21, 2012
McGMT
M
Stock 5.3L 2007 Trailblazer/Envoy ECM EFILive tune?
SSilveronyxx
Jun 16, 2012
Replies
4
Views
2K
Jun 18, 2012
Bartonmd
Exhaust
Skov18
May 27, 2012
Replies
15
Views
2K
May 31, 2012
oh05ext
O
SW LT Header failure / cam replacement
TXBlazer
May 18, 2012
Replies
10
Views
2K
May 21, 2012
jimmyjam
C
Wiring problem at shift lever
Chetter62
Apr 29, 2012
Replies
3
Views
1K
May 6, 2012
linneje
0
5.3l Ported Throttle Body options?
06Envoy
Feb 1, 2012
Replies
5
Views
4K
Apr 11, 2012
03envoy
M
The stock airbox...Why replace it?
MDBT
Apr 9, 2012
Replies
1
Views
1K
Apr 9, 2012
stormsurge
0
PCMForLess Efan kit got installed and working today!
06Envoy
Mar 18, 2012
Replies
5
Views
2K
Mar 18, 2012
barron03
F
Problem after installing PCMForLess Tune / Intake
fr34kout
Mar 1, 2012
Replies
4
Views
2K
Mar 3, 2012
fr34kout
F
T
Oil Pressure Gauge: 40 PSI engine off, 80 PSI, engine on.
TGFB87
Jan 18, 2012
Replies
5
Views
18K
Feb 29, 2012
christo829
Stainless Works time!!
Spong
Feb 2, 2012
Replies
24
Views
3K
Feb 20, 2012
Spong
F
Possible to build my own E-Fan kit?
fr34kout
Feb 7, 2012
Replies
14
Views
2K
Feb 18, 2012
kardain
D
Motor Mount - GM takes care of owners. Not!
dirtbikingdad
Feb 15, 2012
Replies
12
Views
2K
Feb 17, 2012
dirtbikingdad
D
G
Exhaust woes 5.3
GNRAINIER
Feb 2, 2012
Replies
2
Views
2K
Feb 10, 2012
Spong
SW LT Headers
TXBlazer
Dec 29, 2011
Replies
2
Views
1K
Feb 6, 2012
06Envoy
0
2006 5.3 Fuel Filter??
Spong
Jan 17, 2012
Replies
6
Views
2K
Jan 17, 2012
Spong
0
Envoy got a new Xmas toy installed! K&N CAI kit.
06Envoy
Jan 8, 2012
Replies
6
Views
2K
Jan 10, 2012
06Envoy
0
Engine replacement
xxxotiknightz
Dec 16, 2011
Replies
34
Views
13K
Jan 8, 2012
Fire06
F
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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