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01-04.5 LB7 Duramax Powertrain

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Sticky LB7 Torque Specs
2
25
188K
 by Area 51
Sticky Special Policy 04039C
2 3
40
47K
 by mray
Sticky LB7 Headgasket parts listing
16
20K
 by cs641
Sticky Read Before Posting Please
0
16K
 by Durallymax
New Transmission Jerks & Clunks 50% Of The Time When Coasting/Braking To A Stop.
5
227
 by lb7o3
Starter won't stop grinding. 03 lb7
0
41
 by LorenzoDean
Randomly shutting off 2011
1
67
 by NicNoe
2002 2500hd LB7 not starting
1
129
 by DMAXfirefighter
Lb7 cp3 return
3
93
 by DMAXfirefighter
Lml duramax deleted def.can I run a tuner.?
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N/A
Another start then die under load
0
84
 by Justintime3
No start condition, no fuel rail pressure, impossible to prime.
5
186
 by randman37
No injector hold down buttons
1
117
 by DMAXfirefighter
P0101 on startup
4
190
 by Steve_925
03 gmc duramax keeps stalling out repeatedly after waiting for 15 mins
5
53
 by Buschman
Bent Frame ?
1
101
 by DMAXfirefighter
WHISTLE IN CAB AFTER REPLACING HYDROBOOST
12
264
 by BOWTIE67
How many miles are on your LB7?
33 34 35
681
128K
 by BOWTIE67
Injector #2 reads 15
1
64
 by Ron Nielson
Injector #2 reading 15
0
49
 by Jake449
Leaking coolant since motor build issue
2
72
 by stevewaclo
Stuck in 4high
2
203
 by DMAXfirefighter
White smoke.....again.
8
1K
 by BOWTIE67
Used sac45 nozzles-should I buy?
3
256
 by [email protected]
Coolant leak that appeared to be head gasket
6
3K
 by long-time-dmax
2002 LB7 114K Miles - - Do I Need Injectors?
12
691
 by Jeffv2003
Fuel rail pressure spike when coasting
1
107
 by stevewaclo
03 Duramax cranks, with no start when Hot.
4
752
 by stevewaclo
Codes, electrical issues and more after injector replacement
11
419
 by chozobody
Clogged Injector or False Reading?
3
427
 by blazenabel
Inj #4 no fire
5
824
 by blazenabel
Crank no start
9
490
 by ChevyCowboy2013
01 LB7 harsh 5-4 downshift after rebuild
2
156
 by Jwaggonersr
LB7_Duramax_6.6 Full restoration Build thread
2
24
2K
 by carbon fibr
4th Hydroboost Replacement
3
97
 by jake111
4WD won’t switch to 4hi or 2wd
3
196
 by Thebiggids
Any good Duramax mechanic near Fremont, CA?
2
121
 by America964
Flashing Gauge Cluster
3
237
 by nl2003
Cranks but won't start
2
25
137K
 by nl2003
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.
142.4K posts
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