1996 Oldsmobile Ciera oil leak?

Tiny
AEROBABE
  • MEMBER
  • 1996 OLDSMOBILE CIERA
  • 205,000 MILES
I just bought my daughter this car and I looked under the hood & found engine oil in the coolant. What does this mean? Also when I checked the oil it registers half way up the dipstick & the coolant. Overflow is empty except at the very bottom where I see the oil is mixed in with the coolant.
Tuesday, August 13th, 2013 AT 7:52 PM

2 Replies

Tiny
ZEMORZEMOR
  • MEMBER
  • 486 POSTS
I m not a professional mechanic but in my opinion it could be a blown head gasket or leaky transmission fluid. Check the transmission fluid level
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Tuesday, August 13th, 2013 AT 8:27 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Greetings,

The most likely cause of engine oil leaking into the coolant is a faulty head gasket or a cracked head. However, this may aslo be caused by bad intake gasket. The best place to start diagnosing this issue is with a pressure test on the cooling system.
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Tuesday, August 13th, 2013 AT 11:30 PM

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