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GM Diesel & Truck Discussion
Duramax 2004.5-2005(LLY)
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LLY Overheating Discussions and Solutions
Discuss the overheating problem with the LLY engine. Only overheating discussions allowed.
802
247K
Apr 2, 2012
802
247K
Apr 2, 2012
LLY Tuner Forum
649
274K
Feb 24, 2013
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Feb 24, 2013
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Sticky
Duramax DTC code list
TheBac
Dec 2, 2006
2
31K
Dec 4, 2006
by
Dieselson
S
Help me with shift issues
Ssherwood
Mar 14, 2023
4
1K
Apr 22, 2023
by
sdxaka
Transmission
Dalty94
Aug 30, 2022
1
595
Sep 1, 2022
by
Jasong
B
05 stumbling
bikernut
Dec 2, 2015
1
3K
Dec 13, 2015
by
bikernut
2003 Duramax
wammerjammer
Feb 26, 2015
0
3K
Feb 26, 2015
by
wammerjammer
2 cycle oil
wammerjammer
Feb 16, 2015
0
2K
Feb 16, 2015
by
wammerjammer
B
block heater
bikernut
Dec 17, 2014
1
2K
Dec 17, 2014
by
Johnp3
C
Hummer H1
creative
Mar 23, 2013
3
4K
Oct 18, 2013
by
TamekaMaines
K
Fuel Filter Problems
kyleschonert
Oct 13, 2012
1
4K
Oct 23, 2012
by
drcook
S
LLY rattle problem, need help
smlarkin
Jun 15, 2012
2
4K
Jul 27, 2012
by
smlarkin
T
A/c blows cold then hot
T W Graddy
Jul 2, 2012
6
24K
Jul 24, 2012
by
BriteWhiteRam
R
About to buy my first diesel...
raylanr
May 1, 2012
2
3K
May 3, 2012
by
raylanr
1
Durability
1stf350
Apr 12, 2012
2
4K
Apr 13, 2012
by
New 0mega
I
vibrations after 60 mph
ihookem
Apr 8, 2011
3
4K
Apr 8, 2012
by
ihookem
T
Tailgate Outside Lock?
TomP
Mar 25, 2012
0
2K
Mar 25, 2012
by
TomP
T
Ck engine light on and off ( thoughts )
T W Graddy
Oct 5, 2011
7
14K
Nov 6, 2011
by
drcook
O
Fuel Filter Change Problem
onceinawhile
Oct 14, 2011
3
3K
Oct 15, 2011
by
Johnp3
O
Dead Battery now elec problems
onceinawhile
Jul 12, 2011
2
7K
Oct 8, 2011
by
T W Graddy
T
LB7 or LLY and a few other question.
T W Graddy
Oct 3, 2011
2
4K
Oct 6, 2011
by
drcook
Questions about LLY Duramax
jsmith2
Aug 21, 2011
4
5K
Aug 25, 2011
by
New 0mega
J
C5500 Extreme vibration
jeov1
Jul 29, 2011
4
4K
Aug 1, 2011
by
jeov1
K
A/C Issues
kyleschonert
Jul 24, 2011
4
3K
Jul 24, 2011
by
kyleschonert
K
HID Lights
kyleschonert
Apr 10, 2011
4
3K
Jun 15, 2011
by
516rider
D
Cat delete pipe
Duramaxitout
Oct 15, 2009
2
5K
May 12, 2011
by
New 0mega
shifting issues
nordberg
Mar 1, 2011
5
8K
Mar 1, 2011
by
BriteWhiteRam
T
Thoughts on CNG on my Diesel
T W Graddy
Feb 12, 2011
3
6K
Feb 20, 2011
by
BriteWhiteRam
K
Gauge Cluster Issue?
kyleschonert
Feb 17, 2011
9
4K
Feb 18, 2011
by
wastedwagesracing
I'm a Trader
ChrisSheerman
Feb 14, 2011
15
5K
Feb 18, 2011
by
BriteWhiteRam
C
Range Shift Inhibited
couch
Feb 3, 2011
5
27K
Feb 3, 2011
by
BombDocDiesel
K
High Idle
kangsgt3
Jan 19, 2011
3
4K
Jan 21, 2011
by
BriteWhiteRam
K
trailer wiring issues
kyleschonert
Jan 16, 2011
1
2K
Jan 16, 2011
by
kyleschonert
water meth kit
516rider
Dec 26, 2010
7
4K
Jan 3, 2011
by
killerbee
Possible New Unit.
southern-stroke
Dec 24, 2010
3
2K
Dec 24, 2010
by
Rcannon
M
Cold No Start
maxium4x4
Dec 19, 2010
1
2K
Dec 19, 2010
by
diesel dan
D
2004 LLY in limp mode
dirtrider
Jan 24, 2010
9
9K
Dec 19, 2010
by
diesel dan
fuel rail pressure gauge
516rider
Dec 17, 2010
0
2K
Dec 17, 2010
by
516rider
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