Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h4do) / Engine oil temperature sensor / Inspection

1. Check that the engine oil temperature sensor has no deformation, cracks or other damages.

2. Immerse the engine oil temperature sensor and a thermometer in water.

CAUTION:

Take care not to allow water to get into the engine oil temperature sensor connector. Completely remove any water inside.

(A)

Thermometer

(B)

Engine oil temperature sensor

(C)

Hexagonal part height: To approx.1/3

3. Raise water temperature gradually, measure the resistance between the engine oil temperature sensor terminals when the temperature is 20°C (68°F) and 80°C (176°F).

NOTE:

Agitate the water for even temperature distribution.

Water temperature	Terminal No.	Standard
20°C (68°F)	1 and 2	Approx. 2.45+0.14 −0.13 k-
80°C (176°F)	1 and 2	Approx. 0.318±0.008 k-

Removal

CAUTION:If the engine oil is spilt over exhaust pipe or the under cover, wipe it off with cloth to avoid emission of smoke or causing a fire.1. Disconnect the ground terminal from battery sensor. NOT ...

Installation

1. Install the engine oil temperature sensor to the chain cover, and connect the connector to the engine oil temperature sensor.NOTE:Use a new gasket.Tightening torque:18 N·m (1.8 kgf-m, 13.3 f ...

Other materials:

Component
1. WATER PUMP(1)Water pump pulley(10)Preheater hose(19)Engine coolant temperature sensor(2)Water pump ASSY(11)Clip(20)Gasket(3)Gasket(12)Water pipe ASSY (4)Thermostat (engine side)(13)Thermostat (CVTF cooler (with warmer feature) side)Tightening torque: N·m (kgf-m, ft-lb)(5)Gasket (engine si ...