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Duramax Hard Parts
Dmax Performance Parts and related discussions.
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Duramax 6.6 Technical
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LB7
New
2.2K
31.9K
Threads
2.2K
Messages
31.9K
Thumping noise coming from intake
Yesterday at 7:49 AM
lexa
LLY
New
1.3K
17.3K
Threads
1.3K
Messages
17.3K
LLY Ficm
Yesterday at 8:13 PM
1FastBrick
LBZ
New
1.2K
14.3K
Threads
1.2K
Messages
14.3K
Truck wont rev much past 2k rpm no codes
Jan 5, 2025
1FastBrick
LMM
New
767
11.2K
Threads
767
Messages
11.2K
PLEASE HELP!! 07.5 LMM No shift indicator, dome lights, power locks & windows, NO CRANK NO START
Dec 25, 2024
N2BRK
LML
New
654
8.4K
Threads
654
Messages
8.4K
Misfire at 1200rpm
Today at 7:34 AM
NC-smokinlmm
L5P
New
124
3.8K
Threads
124
Messages
3.8K
L5P will barely start, then die Please Help
Wednesday at 11:57 AM
Rdomeck
Transfer Case / Axles / Driveshafts Tech
New
294
3.5K
Threads
294
Messages
3.5K
No 4WD
Dec 29, 2024
TheBac
Van
18
312
Threads
18
Messages
312
M
LGH (detuned LML in a van) Engine Shuts off at full throttle
Nov 22, 2024
Mikey52
Part #'s
396
2.3K
Threads
396
Messages
2.3K
K
Crossmember part # or replacement
Aug 23, 2024
kodaweich18
Turbo Talk
"Nitrous is nice, but it's best to be Blown"
1.9K
43.7K
Threads
1.9K
Messages
43.7K
WWYD? Turbo time
Nov 27, 2024
malibu795
General Fuel System & Exhaust Questions
New
373
7.7K
Threads
373
Messages
7.7K
M
dual tank woes
Jan 9, 2025
Mikey52
Fluids and Maintenance
652
10.7K
Threads
652
Messages
10.7K
Starfire Fluid Built Trans
Sep 9, 2024
OleBlackyLBZ
The Pharmacy
Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Nitrous
Jun 5, 2022
Baking83
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Rebuilding Front Steering Components
WisconsinHick1
Mar 28, 2014
Replies
5
Views
1K
Mar 28, 2014
CarolinaHD
B
LMM:
Hit Rev Limiter- Coolant out the back of the engine: help
BigRedDirtyD
Mar 21, 2014
Replies
16
Views
4K
Mar 28, 2014
csbsixsix
C
P
LB7:
Trouble codes
poprocks315
Jan 30, 2014
Replies
1
Views
1K
Mar 28, 2014
davig
length of duraflight?
sweetdiesel
Mar 26, 2014
Replies
8
Views
2K
Mar 28, 2014
cafryer
trans will go in 4th gear and stay....
rivergoer
Mar 26, 2014
Replies
3
Views
1K
Mar 28, 2014
The Neens
stabilitrak issue on LML
trashygasman
Mar 24, 2014
Replies
2
Views
3K
Mar 27, 2014
trashygasman
Dual CP3 Bolts
WisconsinHick1
Mar 27, 2014
Replies
5
Views
1K
Mar 27, 2014
WisconsinHick1
need a turbo blanket
THduramax
Mar 27, 2014
2
Replies
29
Views
8K
Mar 27, 2014
Turbo Performance
F
Fuel tank install - Straps are going on way too tight...
fishv12
Mar 23, 2014
Replies
2
Views
1K
Mar 27, 2014
fishv12
F
The millionth person to ask this..
Muskrat
Mar 17, 2014
2
3
4
Replies
69
Views
13K
Mar 27, 2014
DAVe3283
PCV Valve Cover Nipple
LBZ
Mar 25, 2014
Replies
15
Views
3K
Mar 27, 2014
LBZ
lly injector rates
LLYSMOKE
Mar 26, 2014
Replies
10
Views
2K
Mar 26, 2014
LLYSMOKE
LBZ:
Rail Pressure Plug Orange Seal?
Ne-max
Mar 21, 2014
Replies
6
Views
1K
Mar 26, 2014
Ne-max
Replacing Rear differential yoke
darkone98
Mar 24, 2014
Replies
5
Views
2K
Mar 26, 2014
darkone98
D
Turbo CAC and inlet hose insulation
daltongd
Aug 4, 2012
Replies
13
Views
6K
Mar 26, 2014
kirker912
K
LB7:
Loss of prime
Cakes
Mar 26, 2014
Replies
0
Views
1K
Mar 26, 2014
Cakes
Stockish turbo oil galley feed line kit
JDPlowboy
Mar 26, 2014
Replies
0
Views
983
Mar 26, 2014
JDPlowboy
Y
ground cable
yahmon
Mar 25, 2014
Replies
4
Views
3K
Mar 26, 2014
JoshH
raw fuel and tar like in exhaust?
JackPine47
Mar 1, 2014
2
3
Replies
53
Views
9K
Mar 26, 2014
JackPine47
9
LB7:
Filter head assembly leaking after lift pump install?
9mmkungfu
Mar 25, 2014
Replies
7
Views
4K
Mar 25, 2014
chevyburnout1
Broken Crank
durallymax
Mar 25, 2014
Replies
0
Views
1K
Mar 25, 2014
durallymax
S472??
RBlades06
Mar 21, 2014
Replies
9
Views
2K
Mar 25, 2014
country lbz
4094 Exhaust Housing ??
Dozerdog74
Mar 24, 2014
Replies
2
Views
1K
Mar 25, 2014
Dozerdog74
E
Fuel gauge not working
Ed Janus
Mar 24, 2014
Replies
3
Views
2K
Mar 25, 2014
DAVe3283
Pre Filter
NinjaMax
Mar 24, 2014
Replies
2
Views
1K
Mar 24, 2014
workin' diesel
W
E
08 LMM CC/SB Tree Stump Pull FAIL
eddies
Mar 24, 2014
Replies
9
Views
3K
Mar 24, 2014
NC-smokinlmm
fan pulley making a sound
THduramax
Mar 24, 2014
Replies
0
Views
789
Mar 24, 2014
THduramax
J
Cranks but No Start
joshyboy
Mar 22, 2014
Replies
7
Views
2K
Mar 23, 2014
onebaddmaxxx
O
LLY:
injectors, what do you do?
NinjaMax
Mar 22, 2014
2
Replies
22
Views
5K
Mar 22, 2014
x MadMAX DIESEL
LML
Changed fuel filter and cel comes on
05greendmax
Jan 21, 2014
Replies
11
Views
3K
Mar 21, 2014
Dmax2418
WTB 1626 XHD transfer case
NC-smokinlmm
Mar 19, 2014
Replies
8
Views
2K
Mar 21, 2014
NC-smokinlmm
Duel fueler belt
blackmaxed
Mar 20, 2014
Replies
3
Views
1K
Mar 20, 2014
blackmaxed
2
S400 standard vs race cover????
2005LLY
Mar 20, 2014
Replies
6
Views
3K
Mar 20, 2014
blue09dmaxx
O
can an injector nozzle be bad?
onebaddmaxxx
Mar 20, 2014
Replies
1
Views
1K
Mar 20, 2014
chevyburnout1
lly cranking no start issue PLEASE HELP
Dmaxpaullly
Mar 18, 2014
Replies
6
Views
2K
Mar 20, 2014
Josh2002cc
What is the best ZF6 clutch for pulling?
juddski88
Sep 8, 2011
2
3
Replies
40
Views
12K
Mar 20, 2014
Hoosier
B
UPS Strikes Again
badassdmaxx
Mar 3, 2014
4
5
6
Replies
105
Views
17K
Mar 19, 2014
MACKIN
$
s400 help
$chultz38
Mar 18, 2014
Replies
11
Views
3K
Mar 19, 2014
$chultz38
$
DES FPR won't go over 10k
hopkins_fam
Mar 18, 2014
Replies
7
Views
2K
Mar 19, 2014
duratothemax
S472 vs danville 72
mike diesel
Dec 10, 2013
14
15
16
Replies
308
Views
43K
Mar 19, 2014
mike diesel
W
LB7:
FPR and Glow Plugs
workin' diesel
Mar 17, 2014
Replies
13
Views
3K
Mar 18, 2014
OregonDMAX
Help: Lbz haze after letting off throttle
Cknight199
Mar 18, 2014
Replies
7
Views
2K
Mar 18, 2014
Cknight199
turbo lag
coker6303
May 28, 2013
2
3
Replies
59
Views
12K
Mar 18, 2014
coker6303
O
coolant temp
outcast
Mar 17, 2014
Replies
4
Views
2K
Mar 18, 2014
coker6303
2
Lbz loud injectors
2005LLY
Feb 19, 2014
Replies
4
Views
2K
Mar 17, 2014
Dozerboy
2005 2500 long bed
mathew.gorecki
Mar 17, 2014
Replies
5
Views
1K
Mar 17, 2014
hondarider552
Blown lml headgaskets
elliottw
Mar 15, 2014
Replies
9
Views
5K
Mar 16, 2014
elliottw
O
relief valve bad?
onebaddmaxxx
Mar 15, 2014
Replies
10
Views
3K
Mar 16, 2014
LBZ
MBRP downpipe
Joemackey
Mar 15, 2014
Replies
3
Views
2K
Mar 15, 2014
NKlamerus
LBZ Injector repair
jpowel29
Mar 15, 2014
Replies
0
Views
936
Mar 15, 2014
jpowel29
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