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1995 Honda Prelude Coolant in Oil

1995 HONDA PRELUDE
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DEROB
  • MEMBER
  • 1 POST
I have a '95 Honda Prelude SI 2.3l with 185k miles. While driving, i noticed the temp. gauge rising and reached the red zone. i stopped the car immediately. Upon investigating, i found both the coolant and oil milky. i took it to a mechanic and he said that it is a blown gasket and that the engine might be damaged. How high is the possibility that the engine might be damaged? Should i change just the gasket or the whole engine?
Feb 4, 2007 at 3:12 PM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
Knowing the engine design as they are pretty much all the same in general. It is possible that the oil being pumped to the head is leaking and getting in to the coolant and coolant in to the oil. The chances of the head be warped or cracked and the gasket being bad are much much greater than the chance of a crack in the block. Go with that information and make the decision. I would try the head if it were me.
Feb 5, 2007 at 2:52 AM
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Suggested Repair

Have the cylinder head checked for warping or cracks and replace the head gasket rather than replacing the whole engine. A damaged head and gasket are much more likely than a cracked block.

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Conversation Summary

The owner of a 1995 Honda Prelude SI 2.3L with 185,000 miles reported the temperature gauge reaching the red zone, then found milky oil and coolant. A mechanic diagnosed a blown head gasket and possible engine damage. The expert said oil and coolant can mix through the head, that a warped or cracked head with a failed gasket is far more likely than a cracked block, and recommended trying a head repair.

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