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Q:

what causes water to enter through radiator resevoir and get in the oil on 1998 Oldsmobile Achieva

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
water got into oil while car was not running what would cause it
(1) Answer
Water or Coolant can get into the oil by a leaking head gasket, leaking intake manifold gasket or a leaking oil cooler. I believe the intake manifold is a common issue on these engines, but not%2tor]=all