Nissan 240SX/Altima 1993-1998 Repair Guide

Heater Water Control Valve

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REMOVAL & INSTALLATION



See Figure 1



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Fig. Fig. 1: The heater control valve is located at the rear, center of the engine compartment

  1. Drain and recycle the engine coolant.
  2.  
  3. Disconnect the control cable from the valve and lay it aside.
  4.  
  5. Disconnect the heater hoses from the valve.
  6.  

Some coolant will remain in the hoses, so place a pan under the vehicle to catch any spills.

  1. Remove the control valve from the vehicle.
  2.  

To install:
  1. Position the control valve in the vehicle.
  2.  
  3. Connect the heater hoses to the valve.
  4.  
  5. Connect the control cable to the valve.
  6.  
  7. Refill and bleed the engine with coolant.
  8.  
  9. Check for leaks. Adjust the coolant level as necessary.
  10.  

 
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