water getting into motor oil

1994 MERCURY MARQUIS
V8 • 2WD • AUTOMATIC
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BCC1395
  • MEMBER
  • 2 POSTS
i need help, water is some how getting into my car's engine, i know this because there's water in the motor oil, can someone give me a list of everything i need to check to find where its coming from? i was told it could be the freeze plug, i just don't know
Jan 3, 2011 at 9:47 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
When water gets into engine oil, the most common cause is a bad head gasket. If engine had previously overheate, that would confirm this.

One way to find out leaks is to get a pressure test done. For bad head gaskets, a test for presence of carbon in cooling system can be performed with chemicals which can be purchased from parts outlets.

Jan 9, 2011 at 8:34 AM
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