GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The PCV valve is located in a snug fitting grommet on the engine cam cover. It is connected by a hose to the intake manifold.


    Object Number: 903470  Size: SH
  1. Disconnect the PCV valve from the cam cover.
  2. Notice: Inspect vacuum hose and cam cover grommet for deterioration and damage. There must be no air leakage between PCV valve and connecting hoses. Always replace with the correct part number valve.

  3. Disconnect the valve from the hose to the intake manifold.

Installation Procedure


    Object Number: 903470  Size: SH
  1. Connect the PCV valve to the intake hose and secure with a clamp.
  2. Install the PCV valve to the cam cover grommet and the hose to intake manifold fitting.