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Oil pressure issue
https://www.ausmini.com/forums/viewtopic.php?f=2&t=85480
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Author:  danny_ [ Tue Apr 29, 2014 3:47 pm ]
Post subject:  Oil pressure issue

Hi guys,
I seem to be having some oil pressure issues with my mini and i am not sure why..
My usual oil pressure is 60 when cold at idle and start up is 75psi and when hot its 18-20psi
I undid my oil pressure re-leaf valve as i wanted to see whether or not it had a ball bearing inside of it.
It turns out its just a standard spring with no packing and standard plunger.

After i did it all up again my start up oil pressure is over 100psi (gauge reads to 100) and it will be like that for about 10min while idling at 1000rpm.
What would cause this and how do i fix it? I don't want my oil filter popping off while i am plodding along.

Author:  simon k [ Tue Apr 29, 2014 4:14 pm ]
Post subject:  Re: Oil pressure issue

the plunger must be jammed in - take it out and have another look

first thing you should've done after you got 100psi is think "what did I change", and then check it...

Author:  drmini in aust [ Tue Apr 29, 2014 4:17 pm ]
Post subject:  Re: Oil pressure issue

If there are any marks on the side of the plunger sand them off, or fit a new plunger.

Author:  danny_ [ Tue Apr 29, 2014 4:21 pm ]
Post subject:  Re: Oil pressure issue

What size dynabolt should I use?

Author:  drmini in aust [ Tue Apr 29, 2014 4:33 pm ]
Post subject:  Re: Oil pressure issue

10mm I think. push in and then turn the nut with fingers, it makes a handy handle... 8)

Author:  danny_ [ Tue Apr 29, 2014 4:37 pm ]
Post subject:  Re: Oil pressure issue

Edit:
Got it out.. needed a lot of force.
Edit2:

Image

Nice big gash :D

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