Question about 2001 Chevrolet Silverado 2500HD

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My 2001 Duramax is using coolant. There are no

My 2001 Duramax is using coolant. There are no apparent leaks. Greater usage when lauling heavy loads. Any ideas where to look and what to do?
Thanks,
Chris

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A compression check would be helpfull.. If there is a small leak - it should turn up..
OR maybe its a head gaskit..

Hope this helps !!
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Posted on Jul 13, 2009

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Had the similar problem it was a gasket leak internally , intake or head check it out

Posted on Jul 13, 2009

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TECHNICAL
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