GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1685531  Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Remove the positive crankcase ventilation (PCV) tube from the intake manifold.
  3. Remove the PCV tube from the air cleaner outlet duct.

Installation Procedure


    Object Number: 1685531  Size: SH
  1. Install the PCV tube to the intake manifold.
  2. Install the PCV tube to the air cleaner outlet duct.
  3. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .