Q: For some reason I am getting diesel fuel in my coolant to the point it makes it overflow.

asked by on January 21, 2017

I blew the motor up in my 99 Super Duty I need a new motor so I found a used one on Craigslist and had some people put it in but now I'm getting diesel fuel in my coolant does anyone know how that could happen?

My car has 100000 miles.
My car has an automatic transmission.

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