Engine Oil Pressure: Inspection

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

Disconnect the ground terminal from battery sensor. Ref. to NOTE>NOTE>BATTERY .
Remove the oil pressure switch. Ref. to LUBRICATION(H4DO)>Oil Pressure Switch>REMOVAL .
Install the oil pressure gauge to the installation area for the oil pressure switch of the chain cover.

Fig 1: Installing Oil Pressure Gauge To Oil Pressure Switch Of Chain Cover
Courtesy of SUBARU OF AMERICA, INC.
Connect the ground terminal to battery sensor. Ref. to NOTE>NOTE>BATTERY .
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 LUBRICATION(H4DO)>Engine Lubrication System Trouble in General>INSPECTION .
- If the oil pressure warning light is ON and oil pressure is within standard, check the oil pressure switch. Ref. to LUBRICATION(H4DO)>Engine Lubrication System Trouble in General>INSPECTION .
Engine oil pressure:

CVT Model

While Idling (no load and select lever in "P" or "N" range)

Standard

71 kPa (0.7 kgf/cm² , 10 psi) or more (at 3,000 r/min)

Standard

206 kPa (2.1 kgf/cm² , 30 psi) or more

MT Model

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

Standard

69 kPa (0.7 kgf/cm² , 10 psi) or more (at 3,000 r/min)

Standard

206 kPa (2.1 kgf/cm² , 30 psi) or more
After inspection, install the related parts in the reverse order of removal.