Engine pumping oil into coolant system.
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Posting Guru
Joined: Oct 2005
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From: Hickory, North Carolina
Engine pumping oil into coolant system.
I took the truck in for service today and we found that it was pumping oil into the coolant system. Just this week we had to add a gallon of oil, I guess we know where it was going..The coolant looks like chocolate milk. What am I looking at to fix this thing?
Fleet Owner
Joined: Aug 2004
Posts: 20,419
Likes: 197
From: AZ
I'm not much help but I'm guessing injector O rings. I had this saved but its not your problem. Maybe it can help you eliminate a few things.
https://www.ford-trucks.com/forums/1...el-in-oil.html
https://www.ford-trucks.com/forums/1...el-in-oil.html
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Posting Guru
Joined: Oct 2005
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From: Hickory, North Carolina
I am not sure how the injectors would play an issue in this case as I do not have any contamination in the oil pan. It is clean oil. The issue is in the cooling system. The oil is moving into the coolant somewhere. Truck runs fine, no white smoke etc.
Lead Driver
Joined: Mar 2006
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From: western SD
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Posting Guru
Joined: Nov 2011
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From: Southern AZ
That's right...
Oil in fuel bowl = injector orings
Fuel in coolant = injector cups
Oil in coolant = oil cooler...
Richard
Oil in fuel bowl = injector orings
Fuel in coolant = injector cups
Oil in coolant = oil cooler...
Richard
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From: Avilla, IN
Do you have to do anything extra to flush out the oil from the coolant system?
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