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Discussion Starter · #1 ·
I pulled out my alternator to check for the belt condition when I notice some leakage on this bolt/connector. Anyone know what this is? 2011 subaru sti.

Its right under the "EJ25"
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Yeah has been but I've finally taken the time to identify it lol
I've not messed with it, personally, but check to see if it has an o-ring to seat to the engine. Your switch may not be busted but the o-ring may be. $2-3 fix if so. If the oil pressure switch doesn't have this, definitely replace and thoroughly clean that area before you put a new one on.
 

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I've not messed with it, personally, but check to see if it has an o-ring to seat to the engine. Your switch may not be busted but the o-ring may be. $2-3 fix if so. If the oil pressure switch doesn't have this, definitely replace and thoroughly clean that area before you put a new one on.
I believe they have little teflon seals on them, but I could be mistaken. But good point otherwise.
 

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Discussion Starter · #12 ·
The oil leak is the oil pressure sensor. The other piece is called a "pitch stop mount" in the aftermarket world. If you're going to replace it, upgrade with Group N.
I went with the perrin...thanks for the help !
I've not messed with it, personally, but check to see if it has an o-ring to seat to the engine. Your switch may not be busted but the o-ring may be. $2-3 fix if so. If the oil pressure switch doesn't have this, definitely replace and thoroughly clean that area before you put a new one on.
This is what the piece looks like. Only like $12 CAD so I'll replace it anyway. Not sure if it has an O-ring or not but I'll find out soon.
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Because pitch stop was broken I would inspect engine and transmission mounts IIWM.
 
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