Water oil mixing

Tiny
JACOBTK
  • MEMBER
  • 1986 TOYOTA 4RUNNER
  • 4 CYL
What would cause a 22re motor to dump water out of the number 3 cylinder after a top end rebuild due to water and oil mixing?
Thursday, January 1st, 2015 AT 8:27 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

Most common cause is a leaking cylinder head gasket, but if this is after a repair that was done for the same reason, the next suspect would be a crack in the cylinder head. Was the head checked for cracks? The last thing would be a crack in the cylinder wall, but that isn't common.

https://www.2carpros.com/articles/coolantantifreeze-in-the-engine-oil

Was the head checked for flatness?

Please let us know what happens.
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Monday, May 1st, 2017 AT 10:24 PM

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