Valve Where is the located Oil Pressure Regulator Nissan Murano I (Z50) 3.5 4x4

What is your question?

Valve Oil Pressure Regulator Nissan Murano I (Z50) 3.5 4x4 located the oil cooler o ring keeps coming off I think its the oil pressure is to high.

What makes this problem better or worse?

Oil clooer o ring keeps comming off causing oil leak