Engine Oil Pressure: Inspection

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

Remove the collector cover.
Remove the oil pressure switch from engine cylinder block. < Ref. to REMOVAL , Oil Pressure Switch. >
Connect the oil pressure gauge hose to cylinder block.
Connect the battery ground cable to battery.

Fig 1: Connecting Battery Ground Cable To Battery
Courtesy of SUBARU OF AMERICA, INC.
Start the engine, and measure the oil pressure.

Fig 2: Measuring Oil Pressure
Courtesy of SUBARU OF AMERICA, INC.

Oil pressure (Standard):

At 800 RPM

98 kPa (1.0 kgf/cm ² , 14 psi) or more

At 5,000 RPM

294 kPa (3.0 kgf/cm ² , 43 psi) or more
CAUTION:
- 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 turned to ON and oil pressure is within specification, replace the oil pressure switch. < Ref. to INSPECTION , Engine Lubrication System Trouble in General. >
NOTE: The specified value is based on an engine oil temperature of 80°C (176°F).
After measuring the oil pressure, install the oil pressure switch. < Ref. to INSTALLATION , Oil Pressure Switch. >
Tightening torque:

25 Nm (2.5 kgf-nm 18.1 ft-lb)