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The engine is mixing water and oil again

Tiny
MOTHAE
  • MEMBER
  • 2005 NISSAN X-TRAIL
  • 2.0L
  • 4 CYL
  • 2WD
  • 130,000 MILES
I have just replaced a cylinder head casket and it ran well when started the first time but eventually mixing oil and water again in hours.
Tuesday, August 13th, 2019 AT 2:08 AM

4 Replies

Tiny
MOTHAE
  • MEMBER
  • 3 POSTS
It seems to have been throwing a lot of pressure to the coolant and disturbs a normal flow of water throughout the cooling system.
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Tuesday, August 13th, 2019 AT 2:23 AM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

When you changed the head gasket did you get your cylinder head shaved at a machine shop?

Thanks,
Alex
2CarPros
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Tuesday, August 13th, 2019 AT 2:25 AM
Tiny
MOTHAE
  • MEMBER
  • 3 POSTS
Yes, it was skimmed and pressure tested with new valve seals.
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Tuesday, August 13th, 2019 AT 2:29 AM
Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello again,

Okay, so let's do a compression check and make sure that the head gasket took. Here is a link for you to go to down below explaining how to do it:

https://www.2carpros.com/articles/how-to-test-engine-compression

Please go through the guide and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Tuesday, August 13th, 2019 AT 3:31 PM

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