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Blue stuff around cap and hose of radiator

Tiny
RG16
  • MEMBER
  • 2011 NISSAN QUEST
  • V6
  • 2WD
  • AUTOMATIC
  • 123,500 MILES
How to tell if the leak is from cap, or upper hose?
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Saturday, July 20th, 2019 AT 11:14 AM

5 Replies

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

You need to pressure test the system with a pressure tester. That will tell you if it is a hose. There is a separate adapter for pressure testing the cap itself.

I attached a guide for you to view.

https://www.2carpros.com/articles/radiator-pressure-test

Roy
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Saturday, July 20th, 2019 AT 11:23 AM
Tiny
RG16
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Hi,
I just uploaded a picture that did not upload before. Does that help?
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Saturday, July 20th, 2019 AT 11:25 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Nothing came up.

Try it again.

Roy
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Saturday, July 20th, 2019 AT 11:49 AM
Tiny
RG16
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  • 3 POSTS
Roy
Sorry, I uploaded it to original post. Here it is again:
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Saturday, July 20th, 2019 AT 1:02 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Got it.

Do the pressure test I asked you to do. It looks like the cap but you need to be sure.

Roy
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Saturday, July 20th, 2019 AT 1:33 PM

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