we have a 1999 f 350 7.3. We have diesel fuel entering into the cooling system and overfilling the expansion tank. It's not engine oil. But diesel. we also checked the engine oil level and it's fine and no contamination. the engine still runs good. this one has us stumped. I would like to get...
This is a strange one we have a 1999 f350 7.3 diesel, we have diesel fuel entering into the cooling system and overflowing the expansion tank. It's not engine oil, but fuel. any one out there have any ideas how this is happening. The engine is running good so I don't think coolant is entering...
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