GM Firebird 1982-1992 Repair Guide

Cold Start Valve

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REMOVAL & INSTALLATION



See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Remove the intake manifold plenum.
  6.  
  7. Unplug the electrical connection.
  8.  
  9. Clean the fuel rail around the cold start valve tube fitting.
  10.  
  11. Remove the tube fitting from the fuel rail. Use a backup wrench to prevent it from turning.
  12.  
  13. Remove the cold start valve retaining bolt and remove the valve from the intake manifold.
  14.  

To install:
  1. Use new O-rings and install the valve and bolt.
  2.  
  3. Connect the wiring harness.
  4.  
  5. Connect the cold start tube at the fuel rail. Use a wrench to prevent it from turning.
  6.  
  7. Install the intake manifold plenum.
  8.  
  9. Connect the negative battery cable. With the engine OFF and the ignition ON, check for fuel leaks.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: Cold start valve assembly

 
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