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Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 8428
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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Motor Oil is pumping into the radiator overflow tank on a

Customer Question

Motor Oil is pumping into the radiator overflow tank on a 350 Cummings engine. We pressurized the oil cooler and it doesn't have any leaks. What else could it possible be ?
Submitted: 12 months ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 12 months ago.

Hi I'm Wayne

I will help you with this

#1 cause is the oil cooler,but that checked oK

the other thing is the head gasket or cracked head

I suggest to remove the head and have it maginaflux for cracks

I hope this helped you

Hi if this helped you

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Wayne

Customer: replied 12 months ago.
Thought of that. There is no water in the oil.
Expert:  Wayne replied 12 months ago.

Thank you for that

there does not have to have coolant in the oil

if the head is cracked, the oil will go into a water passage

Hi if this helped you

Please rate my answer 3 or more stars

If you need more info, use request button

Not Poor/Bad service

Wayne

Expert:  Wayne replied 12 months ago.

Hi

Just following up with you

Did my answer help you

let me know ,Please

Wayne

Expert:  Wayne replied 12 months ago.

Hi

Just following up with you

Did my answer help you

let me know ,Please

Wayne