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?
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Wednesday, December 19th, 2018 AT 8:21 AM

9 Replies

Tiny
ASEMASTER6371
  • CERTIFIED MECHANIC
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
  • MEMBER
This is a manual transmission, no oil cooler.
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Wednesday, December 19th, 2018 AT 8:58 AM
Tiny
ASEMASTER6371
  • CERTIFIED MECHANIC
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
This vehicle does not have engine oil cooler.
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Wednesday, December 19th, 2018 AT 10:11 AM
Tiny
ASEMASTER6371
  • CERTIFIED MECHANIC
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
  • MEMBER
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
  • MEMBER
Thanks for the help.
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Wednesday, December 19th, 2018 AT 3:00 PM
Tiny
ASEMASTER6371
  • CERTIFIED MECHANIC
You are welcome.

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

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