1993 Buick Regal oil in radiator

1993 BUICK REGAL
180,000 MILES • 6 CYL • FWD • AUTOMATIC
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ELCNCVA
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what could cause motor oil to be in radiator and in radiator reserve bottle. car running smooth and no smoke coming from tailpipe.
Feb 11, 2010 at 10:29 PM
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DOCFIXIT
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Is the stuff a brown goop? When was last flush and fill?
Feb 12, 2010 at 1:24 PM