Quote:
Originally Posted by SUPER
So I have the PVC valve, the knock sensors and the IRIS o ring. Plan to replace vacuum lines too. I did not order a check valve. Is that a likely item to fail?
Hoping to get started. Should I order the check valve too?
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The I.R.I.S. check valve is about $25.00 or so,Subaru part #16195AA030
and can EASILY be broken.
If it has a crack in it (quite common) then it will fail.
They can be replaced without removing the intake manifold.
I use 12" long hemostats ,
a head lamp,
cause my eyes are old...
lift the car seversl feet in the air,
again cause I'm old...
But, HEY, while you are down there.