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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8621
Experience:  I am ASE Master Truck Certified.
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I've c13 engine oil is mixed with coolant but no smoke what

Customer Question

Hi I've c13 engine oil is mixed with coolant but no smoke what can happen
JA: What is the complete model and serial number of your machine?
Customer: Vin-981310 ,motor-c13
JA: Are you fixing this yourself? What have you tried so far?
Customer: I didn't do nothing just parked in only oil is mixed in coolant not coolant mixed in engine oil some people say motor is gone others say mixed with oil cooler
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: How can I check what happened to my truck
Submitted: 2 months ago.
Category: Medium and Heavy Trucks
Expert:  Cat Man replied 2 months ago.
Thanks for asking your question. I will try and help you out.
You most likely have a failed oil cooler. I've seen this many times.
The oil moves into the cooling system when this happens because the oil pressure is much higher than coolant pressure.
I would have the oil cooler changed and flush the cooling system.You should be good to go after that.Please reply back if you need more help or have more questions. I am happy to assist.