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Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

need some help!!!!!

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Old Jul 28, 2011 | 09:14 PM
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reneewynn's Avatar
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Default need some help!!!!!
2003 duramax getting hot under load ,motor and trans. 300 degrees. new filters,plenty of water. need some suggestions on where to start.
 
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Old Jul 28, 2011 | 09:38 PM
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fan clutch, replaced one yesterday for same reason
 
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Old Jul 29, 2011 | 07:46 AM
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is this the case even if fan runs all the time
 
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Old Jul 29, 2011 | 08:52 AM
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yes when the fan clutch runs all the time it is siezed up, it will heat the motor up bad!
 
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