Engine Oil Pressure: Inspection

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

Disconnect the ground cable from battery.

Fig 1: Connecting/Disconnecting Battery Ground Terminal
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil pressure switch. < Refer to REMOVAL , Oil Pressure Switch. >
Install the oil pressure gauge to the chain cover.

Fig 2: Installing Oil Pressure Gauge To Chain Cover
Courtesy of SUBARU OF AMERICA, INC.
Connect the battery ground terminal.

Fig 3: Connecting/Disconnecting Battery Ground Terminal
Courtesy of SUBARU OF AMERICA, INC.
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. < Refer to INSPECTION , Engine Lubrication System Trouble in General. >
- If the oil pressure warning light is ON and oil pressure is within standard, check the oil pressure switch. < Refer to INSPECTION , Engine Lubrication System Trouble in General. >
Engine oil pressure:

Standard

50 kPa (0.5 kgf/cm ² , 7 psi) or more (at 600 rpm)

350 kPa (3.6 kgf/cm ² , 51 psi) or more (at 6, 000 rpm)
After inspection, install the related parts in the reverse order of removal.