Subaru Legacy BN/BS (2015-2019) Service Manual: Removal
1. ENGINE SIDE 1. Disconnect the ground terminal from battery sensor. NOTE 2. Drain engine coolant. Engine Coolant > REPLACEMENT 3. Remove the front exhaust pipe. Front Exhaust Pipe > REMOVAL 4. Disconnect the radiator outlet hose from thermostat cover.
5. Remove the thermostat cover, and then remove the gasket and thermostat.
2. CVTF COOLER (WITH WARMER FEATURE) SIDE NOTE: Thermostat on the CVTF cooler (with warmer feature) side is featured on CVT models. 1. Disconnect the ground terminal from battery sensor. NOTE 2. Drain engine coolant. Engine Coolant > REPLACEMENT 3. Lower the vehicle. 4. Remove the clip (A), and loosen the clamps (B) and (C) securing the air intake boot.
5. Remove the air intake boot from the air cleaner case (rear) and throttle body, and move it to the left side wheel apron.
6. Disconnect the engine coolant hose from the thermostat cover.
7. Remove the thermostat cover, and then remove the gasket and thermostat.
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Thermostat
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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 w ...
Other materials:
Inspection
1. Check that the rear oxygen sensor has no deformation, cracks or other damages.2. Measure the resistance between rear oxygen sensor terminals.Terminal No.Standard1 and 25.6+0.8 −0.6 - (when 20°C (68°F)) ...
