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Coolant usage on a 6.5 diesel-am I missing something?
Posted to HD/Fleet Forum on 8/8/2006 9 Replies

Hi all

This is a strange one. This truck will use about a 1/2 gallon of coolant per day. It doesn't have any leaks and will hold a psi test and won't drop. I see a white pasty substance in the oil fill tube and cap which on this engine is located on the fron... Login to read more.

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