Oil cooler releif valve

Supra Blues

Virgin Booster
Mar 30, 2005
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Supramania
What exactly does this do and if the spring and/or valve are worn, would if affect oil pressure?


Reason being is that at hot idle, after a restart the oil pressure gauge takes a few seconds to respond and I can hear sounds of an engine on low oil pressure. Does this releif valve have anything to do with it?

The oil pump is brand new on a fresh rebuild.