GM Camaro 1982-1992 Repair Guide

Hot Water Valve

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REMOVAL & INSTALLATION



See Figures 1 and 2

Not all model years and engine applications use hot water valves.

  1. Drain the coolant.
  2.  
  3. Disconnect the vacuum hose at the hot water valve by sliding the tab of the connector past the L-shaped bend in the actuator vacuum tube. Then, slide the hose connector off the tube while continuing to hold the tab back against the connector end.
  4.  
  5. Disconnect the heater hoses from the valve.
  6.  

To install:
  1. Install the valve with the vacuum actuator facing up. The heater hoses will hold the valve in position.
  2.  
  3. Install the vacuum hose to the actuator.
  4.  
  5. Refill the cooling system. Run the engine long enough to purge any trapped air, then add more coolant if necessary.
  6.  
  7. Check for leaks.
  8.  



Click image to see an enlarged view

Fig. Fig. 1: Hot water valve location on carbureted V8 engines



Click image to see an enlarged view

Fig. Fig. 2: Hot water valve location on fuel injected engines

 
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