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GM Diesel Engines
Duramax First Generation: 2001-2004 (LB7)
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682
Sticky
The Official LB7 Photo Sharing Thread!
PrivatePilot
May 3, 2011
6
7
8
146
169K
Dec 28, 2023
by
TX2004DMax
Question:
Sticky
What did you do to your LB7 today?
callie454
Feb 17, 2015
25
26
27
522
105K
Dec 14, 2023
by
TX2004DMax
Info:
Sticky
Injector Cleaning
D.Camilleri
Jan 30, 2014
2
3
40
75K
Aug 7, 2023
by
biotec
T
Info:
Sticky
Proper way to check balance rates
THEFERMANATOR
Feb 1, 2014
5
6
7
122
397K
Dec 30, 2019
by
Schmidt_153
Info:
Sticky
The LB7 FAQ (Frequently Asked Questions)
PrivatePilot
Jul 1, 2011
Locked
0
45K
Jul 1, 2011
by
PrivatePilot
Info:
Sticky
LB7 Injector Replacement How To's
RI Chevy Silveradoman
Nov 29, 2008
Locked
0
65K
Nov 29, 2008
by
RI Chevy Silveradoman
LB7 starting issue no codes
Destry
3d ago
3
67
4h ago
by
Destry
Needing a Diablo Predator for the LB7
Tolliwacker
4d ago
0
48
4d ago
by
Tolliwacker
P
Problem I been chasing for months
Pjp333LB76.6
Mar 9, 2024
3
148
Mar 10, 2024
by
Pjp333LB76.6
Question:
Blown Turbo
Mr BaadBoy
Mar 9, 2024
0
91
Mar 9, 2024
by
Mr BaadBoy
N
Sac nozzles on Bosch injectors
NoahC3060
Mar 6, 2024
1
155
Mar 6, 2024
by
OkDually
A
2004 chevy silverado 2500hd 6.6 LB7 crank no start
Als automotive
Oct 25, 2023
2
628
Feb 16, 2024
by
tyler.johnson1031
J
2001 lb7 white smoke
jmartin2580
Jan 27, 2024
2
268
Jan 27, 2024
by
1LTREATR
L
LB7 air leak
Lb7 jake
Jan 19, 2024
0
203
Jan 19, 2024
by
Lb7 jake
Exhaust System
mickeyjacque
Nov 27, 2023
7
807
Jan 19, 2024
by
jhornsby3
Z
lb7 crank no start
zachhutt
Jan 17, 2024
5
363
Jan 17, 2024
by
macdaddyof9
M
Question:
Astro start
mtmax600ay
Jan 11, 2024
1
306
Jan 11, 2024
by
OkDually
L
Low Oil Pressure Not Sure To Replace The Oil Pump Or What
Lb7dmaxxxx
Jan 3, 2024
1
256
Jan 3, 2024
by
83Chevy
D
Question:
LB7 Coolant in the Oil HELP!
dgalvin66
Dec 30, 2023
1
192
Jan 3, 2024
by
dgalvin66
E
Question:
Fuel Tank Strap Bolts - Finding a replacement, or another solution. Help needed.
Epartsman
Dec 29, 2023
3
313
Dec 30, 2023
by
Epartsman
N
Question:
Rear engine cover (2003 lb7)
Nickrobb92
Dec 27, 2023
0
143
Dec 27, 2023
by
Nickrobb92
S
2004 lb7 burning oil excessively
Snowking
Dec 7, 2023
1
417
Dec 11, 2023
by
roswell
M
2003 lb7
Mikeyanthony_06
Dec 7, 2023
4
476
Dec 7, 2023
by
Mikeyanthony_06
L
Lb7 fuel issues
Lb7 jarrod
Nov 30, 2023
30
2K
Dec 7, 2023
by
roswell
Big oil leak where engine meets the transmission HELP
Munozjoker1
Aug 15, 2018
11
23K
Dec 4, 2023
by
OkDually
100HP towing tune for LB7
CLSx427
Nov 22, 2023
1
511
Nov 22, 2023
by
OkDually
0
Question:
Help with No Start!
04lb7Cateye
Nov 21, 2023
1
507
Nov 21, 2023
by
OkDually
T
Question:
Kill Switch Recommendation Info Please
THBertson
Nov 21, 2023
0
313
Nov 21, 2023
by
THBertson
Fass 150
JST
Nov 21, 2023
4
507
Nov 21, 2023
by
JST
D
low oil pressure at start up?
diesel22
Dec 8, 2009
8
4K
Nov 6, 2023
by
Estewart
T
Blown head gasket
tuna101
Sep 26, 2023
6
834
Oct 25, 2023
by
roswell
V
Question:
P0204 code injector short
Vukcekic
Oct 1, 2023
7
466
Oct 14, 2023
by
OkDually
J
Prndl
Juz_bryan
May 27, 2023
3
798
Oct 8, 2023
by
Zeroheading
M
Question:
Lb7 4x4 swap
Maxslb7
Oct 7, 2023
0
384
Oct 7, 2023
by
Maxslb7
S
Question:
2001 Duramax injector issues PLEASE HELP!!!
Sergiog1994
Aug 26, 2023
1
632
Oct 5, 2023
by
ByrdDog
B
Cam Sensor or Wiring?
ByrdDog
Sep 17, 2023
5
394
Sep 21, 2023
by
ByrdDog
G
Engine harness
Garcia88
Sep 17, 2023
3
441
Sep 17, 2023
by
roswell
2001 scanner question
compressor1959
Sep 8, 2023
4
626
Sep 17, 2023
by
ByrdDog
B
Question:
Operating Temp
Blue Dmax
Jul 14, 2023
1
966
Sep 17, 2023
by
ByrdDog
H
Communication with ecm
Highpowerfab
Sep 1, 2023
1
581
Sep 7, 2023
by
roswell
P
EZ tune nit working
pinkerpv
Sep 1, 2023
0
445
Sep 1, 2023
by
pinkerpv
1
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Duramax First Generation: 2001-2004 (LB7)
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Discuss the first generation (2001-2004 LB7) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
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