GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Spark 🢒 Engine 🢒 Engine Mechanical - 1.0L 🢒 Positive Crankcase Ventilation Valve Replacement

Removal Procedure

    Object Number: 1240371 Size: SH
  1. Disconnect the positive crankcase ventilation (PCV) hose from the intake tube (1).
  2. Disconnect the PCV hose from the cylinder head cover (2).
  3. Disconnect the PCV hose from the lower intake manifold (3).
  4. Remove the PCV hose with valve.

    5. Object Number: 1222975 Size: SH
  5. Remove the PCV valve (1).

    6. Important: Blow air into valve only in the direction of the arrow shown on valve.

  6. Inspect the tube for cracks, swelling or damage.
  7. Inspect the PCV valve orifice for damage.

Installation Procedure

    Object Number: 1222975 Size: SH
  1. Install the PCV valve (1).

    2. Object Number: 1240371 Size: SH
  2. Install the PCV hose with valve.
  3. Connect the PCV hose to the lower intake manifold.
  4. Connect the PCV hose to the cylinder head cover (2).
  5. Connect the PCV hose to the intake tube (1).