Toyota Corolla 1970-1987 Repair Guide

Heater Water Control Valve

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REMOVAL & INSTALLATION



See Figures 1, 2, 3 and 4

  1. Disconnect the negative battery cable. Drain the cooling system.
  2.  
  3. Disconnect the water valve control cable.
  4.  
  5. Disconnect the heater hoses from the heater core and water valve.
  6.  
  7. Remove the water valve.
  8.  
  9. Installation is the reverse of the removal procedure. Push the water hose onto the heater core pipe as far as the ridge on the pipe. Refill the cooling system. Adjust control cable if necessary. Connect the negative battery cable. Check operation of the system.
  10.  



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Fig. Fig. 1: Water valve installation



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Fig. Fig. 2: Removing heater hose clamp



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Fig. Fig. 3: View of the water valve



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Fig. Fig. 4: View of water valve - note position of heater control cable

 
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