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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', Aftermarket & Factory Electronics
Category: Chrysler
Satisfied Customers: 518
Experience:  Cert. Chrysler Warnty, Heavy Line Mech, Mobile Electronics. Sales, Installation & Repair for 30 years
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Chrysler: oil in coolant reservoir. No indication of water

Customer Question

oil in coolant reservoir. No indication of water in oil or tranny. car overheated and put on lift. Could not see where leakage from. Just had a supply line ti air compressor changed out. Air worked for 20 minutes and then quit. Drove car again and air came back. Could this be problem in radiator oil cooler or supply lines? Mechanic going to flush coolant and refill to see if it does it again. Any ideas from you?
Submitted: 1 year ago.
Category: Chrysler
Expert:  camerontech replied 1 year ago.
hi there,im cam, a licenced diagnostic tech.if its the trans cooler, the oil residue will be pinkish. this will be a cooler issue, and will require a rad replacment.If its more of a light brown, than its oil.theres a good chance that either the head gasket has failed or the head itself is cracked.the overheating can either be from cumbustion gasses filling the cooling system with air or the rad is coated in oil preventing it from disapating heat. I would be leaning more towards the head gasket or cracked head though