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You either have a head gasket leaking,or a cylinder liner leaking.I can't remember if the series 60 has a gear driven water pump,I think it does, if it is gear driven it can leak through the water pump as well,( through the front cover).If it is not the water pump the best thing to do is to drop the oil pan and pressure test the cooling system.You will be able to see where it is coming from.If you are not positive where it is coming you should have the head pressure tested in case it is cracked.
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∙ 15y ago
Anonymous
What causes coolant in oil in12.7 Detroit motor
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What could cause oil leak into coolant reservoir of a Detroit engine truck?
first you must determine what is actually contaminating the coolant,usually in the detroit series 60 engine it is fuel oil,usually caused by faulty injector cups!
Am losing oil pressure at high rpm on series 60 Detroit engine why?
If you are losing coolant, you probably have a bad cylinder head gasket. Too much coolant system pressure will drop your engine oil pressure.
Why is the coolant a milky color?
The coolant has oil in it. Possible causes are a failed headgasket, or a leaking oil cooler,
Detroit series 60 oil leak on the back?
If your Detroit 60 oil leaks on the back, take it to a mechanic for repair as soon as possible.
Why is engine oil in the radiator of Detroit diesel 14l series 60?
Start with the oil cooler
What causes abnormal motor oil levels in vehicle?
Coolant mixing with the oil from a blown head gasket.
What causes engine oil to become milky?
this is usually engine coolant leaking in
What causes the presence of engine oil in the coolant tank or reservoir?
if there is oil in the coolant system it could be a crack in the intake, a ruined intake gasket, a cracked cylinder head
What is the oil capacity of Detroit diesel 60 series engine?
52 quarts
What causes oil to turn grey in quad?
It usually means you have coolant in your oil. Cracked block or bad gasket?
Why is diesel in your radiator 60 series Detroit?
* Failing head gaskets * Warped heads * Cracked engine blocks and heads * Coolant leaks to the outside of the engine through a breach between the head and block * Coolant leaks through the headbolts * Intake manifold coolant leaks * Overheating due to a cracked head or block * Oil leaks into the cooling system (Radiator) * Coolant leaks into the oil * Excessive steam and water from the tailpipe i know the 60 series pretty good and the first thing i would check is the oil cooler, if that checks out i would check the liner o-rings by pulling the oil pan off and pressure testing the coolant system
What causes coolant in the oil?
Blown head gasket, cracked/warped head, or both.
