GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

Water Control Valve

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REMOVAL & INSTALLATION



See Figures 1 and 2

  1. Partially drain the cooling system.
  2.  
  3. Disconnect the vacuum line and the hose connections on the water control valve.
  4.  
  5. Remove the valve.
  6.  
  7. Installation is the reverse of removal.
  8.  



Click image to see an enlarged view

Fig. Fig. 1: In-line mounted water control valve



Click image to see an enlarged view

Fig. Fig. 2: Intake manifold mounted water control valve

 
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