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Section 720 (Engine Cooling System (3MZ-FE)): Thermostat: Replacement

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. DRAIN ENGINE COOLANT (See  COOLANT   ) 
  2. REMOVE AIR CLEANER INLET ASSY 
  3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE 
  4. REMOVE AIR CLEANER BRACKET 
  5. REMOVE AIR CLEANER INLET NO.1 
  6. DISCONNECT RADIATOR HOSE OUTLET 
  7. REMOVE WATER INLET PIPE 
    1. Remove the bolt and inlet pipe.
  8. REMOVE WATER INLET 
    1. Remove the 3 bolts and water inlet.
  9. REMOVE THERMOSTAT 
  10. INSTALL THERMOSTAT 
    1. Install a new gasket to the thermostat.
    2. Align the thermostat jiggle valve with the upper stud bolt, and insert the thermostat in the water inlet housing.

    HINT:

    The jiggle valve may be set within 15Ω of either side of the prescribed position.

    Fig 1: Aligning Thermostat Jiggle Valve
    G02589964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL WATER INLET 

    Torque:  8.0 N.m (82 kgf.cm, 71 in.lbf)

  12. INSTALL WATER INLET PIPE 
    1. Install a new O-ring to the inlet pipe.
    2. Apply soapy water to the O-ring.
    3. Connect the inlet pipe to the water inlet.
    4. Install the bolt holding the inlet pipe to the cylinder head.

    Torque:  20 N.m (204 kgf.cm, 15 ft-lbf)

  13. INSTALL AIR CLEANER ASSEMBLY WITH HOSE 
  14. CONNECT VACUUM HOSES 
  15. ADD ENGINE COOLANT (See  COOLANT   ) 
  16. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION   ) 
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