Engine Oil Pressure: Inspection

WARNING: This page is about a different variant/trim than selected.

Disconnect the ground cable from battery.
Remove the oil pressure switch. <Ref. to REMOVAL , Oil Pressure Switch.>
Install the oil pressure gauge to cylinder block.

Fig 1: Measuring Cylinder Block Oil Pressure
Courtesy of SUBARU OF AMERICA, INC.
Install the generator. <Ref. to INSTALLATION , Generator.>
Connect the battery ground terminal.
Start the engine, and check the oil pressure.
NOTE:
- Standard value is based on an engine oil temperature of 80°C (176°F).
- If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. <Ref. to INSPECTION , Engine Lubrication System Trouble in General.>
- If the oil pressure warning light is ON and oil pressure is within specification, check the oil pressure switch. <Ref. to INSPECTION , Engine Lubrication System Trouble in General.>
Engine oil pressure:

While idling (no load and gear shift lever in neutral position)

Standard

102 kPa (1.0 kg/cm ² , 15 psi) or more (at 3,000 rpm)

451 kPa (4.6 kg/cm ² , 65 psi) or more
After inspection, install the related parts in the reverse order of removal.