There is oil in the radiator fluid. What can cause that?
Aug 23, 2008 at 5:08 PM
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JACOBANDNICKOLAS
CAR REPAIR CONTRIBUTOR
110,190 POSTS
Hi:
If it's motor oil, the head gasket may be bad. If it's transmission fluid, there may be a crack in the trans cooler (part of the rad) allowing ATF to get in with the coolant