GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2027693  Size: SH

    Note: Mark the positions from the hoses.

  1. Remove the 2 PCV valve vacuum hoses (5) from the vacuum pipe and EGR valve.
  2. Remove the wiring harness plug from the vacuum modulator (2).
  3. Remove the 2  PCV valve nuts (4).
  4. Remove the PCV valve (3).
  5. Note: Do not damage the sealing surfaces.

  6. Remove the PCV valve gasket (1).