Cooling Fan: Thermostat: Replacement

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE AIR CLEANER INLET NO. 1
DRAIN ENGINE COOLANT
REMOVE THERMOSTAT
1. Remove the 3 nuts and disconnect the water inlet from the water inlet housing.
2. Remove the thermostat.
3. Remove the gasket from the thermostat.
  
  Fig 1: Removing Thermostat
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL THERMOSTAT
1. Install a new gasket to the thermostat.
2. Insert the thermostat into the water inlet housing with the jiggle valve as shown in Fig 2.
  HINT:
  
  The jiggle valve may be set within 30° of either side of the prescribed position.
  
  Fig 2: Inserting Thermostat Into Water Inlet Housing With Jiggle Valve
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the water inlet with the 3 nuts.
  Torque: 19 N.m (194 kgf.cm, 14 ft.lbf)
  
  Fig 3: Installing Water Inlet
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD ENGINE COOLANT
CHECK FOR ENGINE COOLANT LEAKS (See COOLING SYSTEM )
INSTALL AIR CLEANER INLET NO. 1
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
PERFORM INITIALIZATION (See INITIALIZATION )
NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.