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Oil pressure

Fig 1: Removing Oil Pressure Valve
G03708139Courtesy of SAAB-SCANIA OF AMERICA, INC.
OIL PRESSURE SPECIFICATIONS

Oil pump pressure-reducing valve opens at bar 5.0 +/-1
Indicator lamp comes on when oil pressure drops below   0.3
Oil pressure at 1000 RPM and 5W30 oil, crankcase   2 (min)
Oil pressure at 1000 RPM and 5W30 oil, cylinder head   0.8
Engine oil cooler thermostat opens at   107 +/-2
Engine oil cooler thermostat fully open at   120