GM Full-Size Trucks 1988-1998 Repair Information

Vacuum Advance Unit

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REMOVAL & INSTALLATION



  1. Remove the distributor cap and rotor as previously described.
  2.  
  3. Disconnect the vacuum hose from the vacuum advance unit.
  4.  
  5. Remove the two vacuum advance retaining screws, pull the advance unit outward, rotate and disengage the operating rod from its tang.
  6.  
  7. Reverse the above procedure to install.
  8.  

 
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