Toyota 4Runner 2001-06

Removal & Installation

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Fig. Location of the heater water control valve



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Fig. Proper clamp location on the inlet pipe of the heater water control valve

  1. Drain the engine coolant.
  2.  


CAUTION
When draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.

  1. Disconnect the control cable from the valve.
  2.  
  3. Disconnect the inlet and outlet hoses from the valve.
  4.  
  5. If equipped, remove the harness connector.
  6.  
  7. If the valve is held by a retaining bolt, remove it and remove the valve.
  8.  

To install:

  1. Reinstall in reverse order. Use new hose clamps.
  2.  
  3. Move the temperature selector lever to COOL . On T100 and Tacoma, move it to WARM. Adjust the valve lever to the corresponding position and connect the cable. Lift the spring clip and adjust the cable so that the valve achieves full travel to the closed position.
  4.  
  5. Refill the coolant.
  6.  



Click image to see an enlarged view

Fig. Location of the heater water control valve



Click image to see an enlarged view

Fig. Proper clamp location on the inlet pipe of the heater water control valve

  1. Drain the cooling system.
  2.  
  3. Disconnect the control cable from the valve.
  4.  
  5. Disconnect the inlet and outlet hoses from the valve.
  6.  
  7. The valve is held by a retaining bolt, remove it and remove the valve.
  8.  

To install:

  1. Reinstall in reverse order. Use new hose clamps.
  2.  
  3. Refill the cooling system to the correct level.
  4.  
  5. After installation, the cable must be adjusted. Turn the ignition switch to ON . Move the temperature selector lever to COOL . Connect the control cable and lock the clamp.
  6.  

 
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