FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Oil Pressure Regulator Valve: Description and Operation

- System pressure is limited by an integral, internally vented relief valve which directs the bypass oil back to the inlet side of the oil pump.
- Relief valve calibration protects the system from excessive pressure during high viscosity conditions yet is designed to provide adequate lubrication under high temperature and high speed conditions.
- Oil pump displacement has been selected to provide adequate volume to ensure proper oil pressure both at hot idle and maximum speed.