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

04 duramax lb7

   
Old Nov 28, 2010 | 10:25 PM
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allison 04's Avatar
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Default 04 duramax lb7
when i start the truck when it is cold it makes a wineing noise for a few seconds. is it anything to worry about. thanks
 
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Old Nov 29, 2010 | 12:53 PM
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Check your idler pulleys and tensioner pulley. If those are good its ok. This is a normal problem for the older Duramax's.
 
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