GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1272602  Size: SH
  1. Remove the fuel injector sight shield . Refer to Fuel Injector Sight Shield Replacement .

  2. Object Number: 928145  Size: SH
  3. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the left camshaft cover.
  4. Remove the PCV fresh air tube from the air cleaner housing assembly.

  5. Object Number: 928153  Size: SH
  6. Disconnect the PCV dirty air tube from the right camshaft cover.

  7. Object Number: 932126  Size: SH
  8. Remove the PCV dirty air tube (2) from the intake manifold.

Installation Procedure

Important: Ensure that the PCV dirty air tube is located between the tabs of the intake manifold.


    Object Number: 928153  Size: SH
  1. Connect the PCV dirty air tube to the intake manifold fitting.
  2. Connect the PCV dirty air tube to the right camshaft cover.

  3. Object Number: 932126  Size: SH
  4. Attach the retaining clip (3) to the intake manifold.

  5. Object Number: 928145  Size: SH
  6. Connect the PCV fresh air tube to the left camshaft cover.

  7. Object Number: 928145  Size: SH
  8. Connect the PCV fresh air tube to the air cleaner housing.
  9. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .