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Ask Your Question2004 Cadillac CTS
Question: Problem with coolant mixing with oil
Question
Visitor, 3.2L V6, Toledo, OH, March 11, 2010, 19:19
Why would the coolant mix with the oil?
2 Answers
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Answer #1
Visitor, March 11, 2010, 19:23ReplyHEAD GASKET OR INTAKE GASKET,ALSO THROTTLE BODY PORT
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Best Answer
AlZeep September 15, 2010, 21:45Reply
RookieIf oil within the coolant reservoir, car not running hot, no water in oil, and no smoke then most likely its the oil cooler that is located under the intake and in the coolant passage that is leaking oil. = ~$1,200 to replace oil cooler and flush radiator and replace all hoses (oil and water don't mix with rubber). If you're lucky the oil cooler is within the radiator. = several hundred. If head gasket = ~$2,000 to replace or just replace the motor for ~$2,700
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