Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection
1. Check that the thermostat does not have deformation, cracks or damage. 2. Check that the thermostat valve closes completely at an ambient temperature. 3. Immerse the thermostat and a thermometer in water. Raise water temperature gradually, and check the temperature and valve lift when the valve begins to open and when the valve is fully opened. Replace the thermostat if faulty. NOTE: • During the test, agitate the water for even temperature distribution. • Leave the thermostat in the boiling water for five minutes or more before measuring the valve lift. • Hold the thermostat with a wire or the like to avoid contacting with container bottom. Starting temperature to open: Engine side 90 — 94°C (194 — 201°F) CVTF cooler (with warmer feature) side (CVT model) 48 — 52°C (118 — 126°F) Full open temperature: Engine side 100°C (212°F) CVTF cooler (with warmer feature) side (CVT model) 63°C (145°F) Total valve lift: Engine side 8.0 mm (0.315 in) or more CVTF cooler (with warmer feature) side (CVT model) 6.0 mm (0.236 in) or more
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Removal
1. ENGINE SIDE1. Disconnect the ground terminal from battery sensor. NOTE2. Drain engine coolant. Engine Coolant > REPLACEMENT3. Remove the front exhaust pipe. Front Exhaust Pipe > REMOVAL4. Discon ...
Installation
1. ENGINE SIDE1. Install a gasket to thermostat.NOTE:Use a new gasket.2. Install the thermostat and thermostat cover.Tightening torque:6.4 N·m (0.7 kgf-m, 4.7 ft-lb)(A)Thermostat cover(B)Gasket ...
Other materials:
Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the bumper face - front.(1) Remove the clips at the upper side of the bumper face - front.(2) Remove the clips from the fender.(3) Remove the clips at the lower side of the bumper face - front.(4) Disconnect the fog light assembly ...
