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LB7
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Duramax 6.6 Technical
Duramax Hard Parts
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Bought LB7 04/13. Won't start 04/16.
robstu85
Apr 17, 2023
2
Replies
23
Views
989
Apr 29, 2023
robstu85
Allison leak top of tranny on rear
briencolgan
Oct 12, 2022
2
Replies
29
Views
1K
Apr 28, 2023
briencolgan
J
No start and no communication
jrfoust1
Apr 28, 2023
Replies
5
Views
381
Apr 28, 2023
jrfoust1
J
A
Loosing prime when hot
aruss99
Apr 20, 2023
Replies
4
Views
451
Apr 25, 2023
aruss99
A
Poll
Fleece Freedom Series Heads?
DAVe3283
Nov 29, 2022
2
Replies
20
Views
1K
Apr 23, 2023
Bdsankey
L
FRP regulator fuel flow command
LB7sdm
Apr 12, 2023
Replies
2
Views
689
Apr 13, 2023
LB7sdm
L
03 LB7 security light
lutzjk913
Jan 7, 2020
2
3
Replies
46
Views
7K
Apr 10, 2023
2004LB7
Screwed maybe?
GregJ77
Mar 18, 2023
2
Replies
21
Views
761
Apr 8, 2023
TheBac
How hard is it to scale LBZ fpr for lb7
Robby Avery
Aug 18, 2015
Replies
19
Views
4K
Apr 6, 2023
Fastshovelhead
D
Screeching Noise (with video link and audio)
Delta.Speed
Feb 4, 2023
Replies
8
Views
359
Mar 30, 2023
Dozerboy
A
2001 lb7 duramax fuel issues.
Arlo75
Mar 22, 2023
2
3
Replies
50
Views
973
Mar 28, 2023
08lmm72mm
0
M
Cranks will start but dies
Miller1990
Mar 18, 2023
Replies
7
Views
265
Mar 27, 2023
LBZ
S
LB7 Alternator Options in 2023
sneaky98gt
Mar 7, 2023
Replies
12
Views
677
Mar 21, 2023
sneaky98gt
S
M
LB7 Rebuild
MadMattMan13
Mar 5, 2023
2
Replies
20
Views
1K
Mar 19, 2023
TheBac
LB7:
CP3 Freeze plug blow out
duramax hd
Apr 8, 2013
Replies
7
Views
4K
Mar 14, 2023
Bdsankey
HELP!!! TRUCK ONLY RUNS ON ALL 8 WITH VALVE COVER OFF
03LB7 09LMM
Mar 1, 2023
2
Replies
37
Views
1K
Mar 7, 2023
Bdsankey
L
2 blowby tubes? Help!
Loopy84
Feb 20, 2023
Replies
1
Views
246
Feb 20, 2023
DAVe3283
N
Help!
nfiashleyely
Feb 14, 2023
Replies
3
Views
228
Feb 14, 2023
Bdsankey
D
Coolant Issues
Delta.Speed
Feb 2, 2023
Replies
14
Views
355
Feb 4, 2023
Delta.Speed
D
R
Towing injector size
Reese99
Jan 30, 2023
Replies
18
Views
1K
Feb 4, 2023
Delta.Speed
D
D
Sound coming from airbox.
Delta.Speed
Sep 21, 2022
2
3
4
Replies
64
Views
3K
Feb 3, 2023
turbovan
T
E
Please help just replaced fuel lines fuel cooler and filter housing
ethan18p
Jan 30, 2023
2
Replies
21
Views
644
Feb 1, 2023
Bdsankey
2
LB7:
LB7 bail connectors issues
2003higgins
Apr 21, 2015
Replies
8
Views
3K
Jan 30, 2023
ray308
R
D
Fuel pressure regulator
Duroman
Aug 25, 2022
Replies
13
Views
802
Jan 27, 2023
scott_willerscheidt
J
Lb7 crank no start after motor swap
Jcdavis0444
Jan 8, 2023
Replies
5
Views
440
Jan 22, 2023
DAVe3283
G
Borrowed FIL's truck, now it is leaking. 6.6L LB7
grundyo
Dec 12, 2022
Replies
14
Views
716
Jan 19, 2023
turbovan
T
J
Sac45 injectors should I be worried
Jfoltz
Jan 17, 2023
Replies
5
Views
283
Jan 18, 2023
Bdsankey
B
P0089 Code
Big_Mel
Jan 6, 2023
Replies
10
Views
534
Jan 16, 2023
gmduramax
acceleration knock
danzick
Jun 9, 2022
2
3
Replies
44
Views
3K
Jan 9, 2023
danzick
M
Ppe cupless heads injector install
Mattshlunk
Jan 2, 2023
Replies
6
Views
390
Jan 2, 2023
Mattshlunk
M
SPUN BEARING? NEED INFO
715Hunter
Dec 29, 2022
2
Replies
25
Views
1K
Dec 30, 2022
LBZ
2
Need help here, please.
2004LB7Blue
Dec 19, 2022
Replies
3
Views
345
Dec 22, 2022
2004LB7Blue
2
D
P1093 code
Duroman
Dec 16, 2022
Replies
3
Views
312
Dec 17, 2022
TheBac
LF: Build advice for my 03 LB7 ZF6
offroadunleashed
Mar 22, 2017
Replies
14
Views
2K
Dec 15, 2022
Farmtruckin_it_6.6
J
650hp
Just-Rage-Quit69
Dec 13, 2022
2
Replies
24
Views
1K
Dec 15, 2022
Chevy1925
L
Electrical Problems
larson5675
Nov 24, 2022
Replies
2
Views
289
Nov 25, 2022
Mikey52
M
K
Coolant leak
Kalei
Nov 12, 2022
Replies
3
Views
298
Nov 19, 2022
TOMAN
D
P0406 wont go away
Dcon
Sep 4, 2022
Replies
15
Views
1K
Nov 4, 2022
Dcon
D
D
What are the newest and greatest LB7 injectors S & S or New Bosch
David.Heiliger
Oct 26, 2022
Replies
7
Views
590
Oct 26, 2022
1FastBrick
How to plug 01 LB7 sensor hole
KEVINL
Oct 8, 2022
Replies
3
Views
313
Oct 10, 2022
Bdsankey
Lower valve cover leak with new gaskets & Bolts
KEVINL
Oct 5, 2022
Replies
9
Views
629
Oct 6, 2022
Chevy1925
C
EGR DELETE
codeman22
Sep 26, 2022
Replies
6
Views
637
Sep 29, 2022
codeman22
C
LBZ crank in LB7?
715Hunter
Sep 21, 2022
Replies
4
Views
527
Sep 22, 2022
ikeG
D
Balancer pin shearing caught on time.
Delta.Speed
Sep 4, 2022
Replies
11
Views
915
Sep 5, 2022
N2BRK
N
High engine temps
danzick
Jun 7, 2021
2
3
4
Replies
62
Views
3K
Aug 22, 2022
Leadfoot
LB7:
No boost/low power.
White Duramax
Sep 1, 2011
Replies
14
Views
17K
Aug 13, 2022
2004LB7
C
LB7:
Engine knock possible in the head??
Colt456
Dec 7, 2017
Replies
5
Views
1K
Aug 2, 2022
rfletes79
R
Injector stuck open LB7 (maybe)
Richard L Cox IV
Aug 1, 2022
Replies
3
Views
597
Aug 2, 2022
rfletes79
Oversize Sac injector balance rates
LSxBakakos
Jul 31, 2022
Replies
2
Views
402
Jul 31, 2022
LSxBakakos
LB7 to LB7 swap
knagel
Jul 15, 2022
Replies
10
Views
1K
Jul 19, 2022
TheBac
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