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blown head gasket....not good.

Could b Transmission Fluid because the transmission cooler is in the radiator-especially IF the water has a red tint 2 it,IF it has a automatic transmission.

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โˆ™ 2004-07-30 22:32:38
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Q: What would cause oil in the radiator coolant?
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Does it have 2 lines coming from the top of the oil filter, and going to the radiator. If so that is the oil cooler. You need to replace the RADIATOR Those 2 lines go into the radiator so it can cool the oil, and the tubes are leaking oil into the coolant.

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if this vehicle is automatic,the most likely cause would be the transmission fluid cooler. it is a tank inside the radiator that cools the transmission fluid. if by any reason the tank leaks it would contaminate your water/coolant/antifreeze. answer a cracked head will allow oil into water jacket in head, going from there thru to radiator if it was a bad head gasket, u would have water in oil instead

What would cause engine oil to be collecting in my radiator coolant when no coolant is in my crankcase oil on a 2002 Pontiac Gran Prix SE with 3.1 engine?

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