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Oil in coolant

Tiny
NORETTA MORALES
  • MEMBER
  • 1988 TOYOTA AVENSIS
  • 3.0L
  • 6 CYL
  • 4WD
  • MANUAL
  • 261,000 MILES
Did head gasket, cylinder resurface (had crack replaced head), water pump, timing belt, radiator, coolant and heater hoses, thermostat and still oil in coolant. Now what?
Wednesday, December 19th, 2018 AT 8:21 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

This could be a bad oil cooler. There is coolant that runs through the cooler and if the cooler fails it will mix oil with the coolant.

Roy
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Wednesday, December 19th, 2018 AT 8:36 AM
Tiny
NORETTA MORALES
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  • 5 POSTS
This is a manual transmission, no oil cooler.
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Wednesday, December 19th, 2018 AT 8:58 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, not a transmission cooler, an oil cooler which is part of the oil filter adapter.

It does not matter if it is manual or automatic.

Roy
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Wednesday, December 19th, 2018 AT 9:13 AM
Tiny
NORETTA MORALES
  • MEMBER
  • 5 POSTS
This vehicle does not have engine oil cooler.
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Wednesday, December 19th, 2018 AT 10:11 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Okay, the diagram I have shows it does but that is okay.

The only thing left is a cracked block. That would be the only way to transfer oil into the coolant since you had the top end redone.

Roy
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Wednesday, December 19th, 2018 AT 10:30 AM
Tiny
NORETTA MORALES
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That's what I was thinking, just hoping there was another option.
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Wednesday, December 19th, 2018 AT 10:55 AM
Tiny
ASEMASTER6371
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Sorry, the oil cooler was the only other option.

Roy
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Wednesday, December 19th, 2018 AT 11:02 AM
Tiny
NORETTA MORALES
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Thanks for the help.
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Wednesday, December 19th, 2018 AT 3:00 PM
Tiny
ASEMASTER6371
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You are welcome.

Roy
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Wednesday, December 19th, 2018 AT 3:06 PM

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