Section 205 (Engine Cooling System): Thermostat: Removal

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE WATER INLET
1. Remove the 2 nuts and separate the water inlet with radiator hose from the cylinder block.
  
  Fig 1: Locating Water Inlet With Radiator Hose Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THERMOSTAT
1. Remove the thermostat from the cylinder block.
2. Remove the gasket from the thermostat.
  
  Fig 2: Identifying Thermostat
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002