Subaru Legacy BN/BS (2015-2019) Service Manual: Engine oil pressure inspection
1. Disconnect the ground terminal from battery sensor. NOTE 2. Remove the oil pressure switch from the oil pan upper. Oil Pressure Switch > REMOVAL 3. Attach the oil pressure gauge to the oil pan upper.
4. Connect the ground terminal to battery sensor. NOTE 5. Refill the engine oil. Engine Oil > REPLACEMENT 6. Start the engine, and check the oil pressure. NOTE: • If the oil pressure is out of specification, check oil pump, oil filter and lubrication line. 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. Oil Pressure System Oil Pressure Switch Engine oil pressure (at oil temperature of 80°C (176°F)): Standard 100 kPa (1.0 kg/cm2, 15 psi) or more (at 700 r/min) 7. After inspection, install the related parts in the reverse order of removal. |
Engine noise inspection
Type of soundConditionPossible causeRegular clicking soundSound increases as engine speed increases.• Valve mechanism is defective• Incorrect valve clearance• Worn camshaft• Br ...
Engine trouble in general inspection
NOTE:The “RANK” shown in the chart shows the possibilities of the cause of trouble in order from “Very often” to “Rarely”.A — Very oftenB — SometimesC — Rarel ...
Other materials:
Inspection
1. CRANKSHAFT POSITION SENSOR1. Disconnect the ground terminal from battery sensor. NOTE2. Prepare an oscilloscope.3. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in th ...
