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Old 01-27-2015, 10:03 PM   #1
Fwuffy Squirrel
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Default Oil leaking from above oil filter? 56k danger

I have an oil leak from above my oil filter that is quite slow but annoying. I've searched and found that it could very well by my oil filter gasket, but I'm not sure if that is exactly my problem. It looks as though my leak is coming from above where I think the gasket goes?

Any help or insight would be greatly appreciated.











As you can see above, the leak is coming down from the top. Do you guys think it's the oil filter gasket causing this?

Here are a few more pics of it clean just in case it helps.













Thank you again
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Last edited by Fwuffy Squirrel; 01-28-2015 at 02:10 AM.
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Old 01-27-2015, 10:13 PM   #2
lavid2002
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There's an o-ring that goes in between the heat exchanger and the engine block. It's held on by the same tube that the oil filter threads onto. It's a 24mm on my car, and should be the same on yours. Grab a socket and snug it up, or take it off and replace the o-ring.

-Dave
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Old 01-28-2015, 05:35 AM   #3
pebelz
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Replace the o-ring, and have a couple sharpies on hand.
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Old 01-28-2015, 07:30 AM   #4
HinshawWRX
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It's the oil cooler gasket, not oil filter gasket that is leaking. Fairly simple process to replace.
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Old 01-28-2015, 07:46 AM   #5
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For the oil cooler gasket part number http://forums.nasioc.com/forums/show...1&postcount=28
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Old 01-29-2015, 01:56 AM   #6
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40 ft-lb on that 24mm deep

Doing mine soon when coolant is swapped.


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Old 03-12-2015, 04:42 PM   #7
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Quote:
Originally Posted by lavid2002 View Post
There's an o-ring that goes in between the heat exchanger and the engine block. It's held on by the same tube that the oil filter threads onto. It's a 24mm on my car, and should be the same on yours. Grab a socket and snug it up, or take it off and replace the o-ring.

-Dave
So you....
remove oil filter
use the 24mm socket to remove the tube
the heat exchanger is loose now. The heat exchanger should just come off now?

What about the coolant lines? Cause that area looks tight to work in and how can you tell if you seat the o-ring/gasket properly?


Why did the guy above say "make sure you have a couple sharpies on hand"?
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Old 03-12-2015, 11:48 PM   #8
D-Rodman
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It's a simple job but is easy to damage the new gasket/o-ring when installing it. Buy two of them just in case you damage one, like I did. Make sure there are no broken pieces left in place, that's how I ruined my first one.


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Old 03-13-2015, 01:12 AM   #9
Fwuffy Squirrel
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I took your guys' collective advice and it was the o-ring oil gasket above the filter. I had to drain my coolant anyway, so I disassembled the whole thing which was a pita due to so little space. It all went back together perfectly and no leak.
You guys rock thanks again!
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Old 03-13-2015, 10:04 AM   #10
shamrock 05
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I wish you could just buy the orange ring at an auto parts store rather than the dealer


So the threaded rod you see in the pic that the oil filter actually screws into has that 24mm nut, do you just undo that that nut, thes the oil cooler comes right out or are there bolts at the top that need to be undone to get it off?



And also when the oil cooler is removed will coolant poor out of those hoses?





Im just a little nervous about attempting this, never done it before.

Last edited by shamrock 05; 03-13-2015 at 10:10 AM.
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Old 03-13-2015, 01:06 PM   #11
tebriel
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Yeah mine is leaking too and I just replaced all the coolant for my t-belt job. Blah. I don't want to drain it again. Maybe crimp both hoses with vice grips or something?
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Old 03-13-2015, 01:30 PM   #12
oaklandish_WRX
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Quote:
Originally Posted by shamrock 05 View Post
I wish you could just buy the orange ring at an auto parts store rather than the dealer

So the threaded rod you see in the pic that the oil filter actually screws into has that 24mm nut, do you just undo that that nut, the the oil cooler comes right out or are there bolts at the top that need to be undone to get it off?

And also when the oil cooler is removed will coolant poor out of those hoses?

Im just a little nervous about attempting this, never done it before.
Yes, remove the oil tube with the 24mm deep and the cooler will loosen from the block (at least for EJ20's AFAIK). It will hang from the coolant hoses. Nothing else to do. I tried to do it with stock exh heatshields and only loosening the coolant hard line from the front of the block; still not enough slack to get my meat-hooks up there and pull the o-ring out . Gonna do this next week with coolant service and oil change.

Yes, coolant will drain from the hoses when removed; thus the sharpie pens to plug them up and minimize mess. Or time with a coolant drain/fill.

Also, pic above with exh manifolds removed and doing this work =
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Old 03-13-2015, 03:38 PM   #13
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Ok well here is a stupid question then....once you loosen the 24mm bolt holding the cooler on and then remove the bolt and the oil cooler can hang, how does coolant come out?

Compared to when you remove the oil filter when changing your oil no coolant comes out?

Cause you're simply removing the bolt that holds on the oil cooler and letting it dangle.
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Old 03-13-2015, 03:47 PM   #14
oaklandish_WRX
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Quote:
Originally Posted by shamrock 05 View Post
Ok well here is a stupid question then....once you loosen the 24mm bolt holding the cooler on and then remove the bolt and the oil cooler can hang, how does coolant come out?

Compared to when you remove the oil filter when changing your oil no coolant comes out?

Cause you're simply removing the bolt that holds on the oil cooler and letting it dangle.
It won't...reading carefully...
Quote:
Yes, coolant will drain from the hoses when removed;
OK guess I was typing too quickly; s/b when hoses are removed...
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Old 03-14-2015, 12:25 PM   #15
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There are 3 gaskets above the cooler. The bottom one is the most common to leak, but the top one is the exact same part number. I replaced my bottom and still leaking so I'm going to replace the other two. Here is a diagram for that whole assembly.

http://www.subarupartsandaccessories...bly=g11-033-02
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Old 06-09-2019, 11:08 AM   #16
RLucky82
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Thumbs up

Thanks, My 2007 has been leaking for years and I am currently doing the timing belt and not seeing any signs of oil around the cam or crank seals, head gaskets look good and valve covers are dry but my oil filter and above is dripping wet just like the pictures. btw I used the search feature and ended up here 90% sure this is the source of my leak! Thanks again everyone for the detailed info!!!

Also here is a great video on the subject.


Last edited by RLucky82; 06-15-2019 at 11:04 AM.
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