OIL IN RADIATOR on 2004 Lincoln LS


by in Orange, TX on March 21, 2011
2 answers 1 comment
ANSWER by on March 21, 2011
No. It usually means that you have a blown head gasket and/or a cracked cyclinder head that is allowing oil into the cooling system.
COMMENT by on March 21, 2011
Coolant in the oil is one of the usual sign of a blown head gasket. Oil in the coolant mostly caused by a failed oil cooler - which is common on this engine. Zee
ANSWER by on March 21, 2011
Yes, it seems to be a common problem on this engine. For diagnostic purpose I usually bypass the oil cooler from the cooling hoses and you can see oil dripping out from the cooler. Since the oil pressure is higher than the cooling system pressure, oil is pushed into the radiator. Get the oil cooler replaced and the cooling system flushed - it may need to be performed several times and a non-foaming detergent could be a big help to get rid of the oil from the cooling system.
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