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:
Headlights
To turn on the headlights, turn the knob on
the end of the turn signal lever.
" " position:
The headlights are all off.
" " position:
Instrument panel illumination, headlights,
parking lights, front side marker lights, rear
side marker lights, tail lights and license
plate lights are o ...
