Chevy/GMC Duramax 07.5 -10 LMM Discussion of Chevy and GMC Trucks with LMM Duramax Turbo Diesel Engines

Broken Crankshaft

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Old Feb 19, 2010 | 02:49 PM
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OILBURNER6.6's Avatar
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Default Broken Crankshaft

Over on Dieselplace, there's someone who broke his crank with a 80hp tune. Any thoughts? I thought our Duramax's were a lot tougher than that. It was a low mileage LMM.
 
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Old Feb 19, 2010 | 03:14 PM
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thats just bad luck or abuse because that is something that you dont here much about on here especially with an 80 hp tune
 
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Old Feb 19, 2010 | 11:53 PM
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theres lemons in all mass porduced vehicles
 
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Old Feb 20, 2010 | 07:56 PM
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yup, probably was a quaity control issue on the parts.

was it just a broken crank or did it spin the bearings also?
 
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Old Feb 21, 2010 | 07:34 PM
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Originally Posted by OILBURNER6.6
Over on Dieselplace, there's someone who broke his crank with a 80hp tune. Any thoughts? I thought our Duramax's were a lot tougher than that. It was a low mileage LMM.

I wonder how he got that to happen!
 
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Old Feb 22, 2010 | 08:21 PM
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yeah most likely a factory flaw an 80hp tune could never do that on its own
 
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Old Mar 8, 2010 | 08:27 PM
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Stock trucks have broken cranks, luck of the draw...
 
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Old Mar 21, 2010 | 11:28 PM
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thats just a freak thing its the first and probably the last you ever hear of that
 
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Old May 25, 2010 | 12:12 PM
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Originally Posted by GmcLbz
Stock trucks have broken cranks, luck of the draw...
Yep. Probably a Monday batch of cranks. Seems to happen on high horse trucks and stockers. I know about this problem and I spend all my time in the Ford sections!
 
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