Cooling Fan: Cooling: Thermostat: Removal

Lift-up the vehicle.
Remove under cover.
Drain engine coolant completely. Refer to DRAINING OF ENGINE COOLANT .

Fig 1: Removing Drain Cock
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Remove bolt which installs water by-pass pipe of oil cooler onto oil pump. (AT vehicles only)

Fig 2: Removing Bolt Which Installs Water By-Pass Pipe Of Oil Cooler Onto Oil Pump
Courtesy of SUBARU OF AMERICA, INC.
Disconnect radiator outlet hose and water bypass hose (AT vehicles) from thermostat cover.

Fig 3: Disconnecting Radiator Outlet Hose And Water Bypass Hose From Thermostat Cover
Courtesy of SUBARU OF AMERICA, INC.
Remove thermostat cover and gasket, and pull out the thermostat.

Fig 4: Removing Thermostat Cover And Gasket
Courtesy of SUBARU OF AMERICA, INC.