GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

    Object Number: 1874094 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Remove the PCV fresh air tube from the rocker arm cover.
  4. Remove the PCV fresh air tube from the vehicle.

    5. Object Number: 1874088 Size: SH
  5. Disconnect the PCV foul air tube from the PCV valve. Refer to Plastic Collar Quick Connect Fitting Service.
  6. Remove the PCV foul air tube from the intake manifold.
  7. Remove the PCV foul air tube from the vehicle.

Installation Procedure

    Object Number: 1874088 Size: SH
  1. Install the PCV foul air tube to the vehicle.
  2. Install the PCV foul air tube to the intake manifold.
  3. Connect the PCV foul air tube to the PCV valve. Refer to Plastic Collar Quick Connect Fitting Service.

    4. Object Number: 1874094 Size: SH
  4. Install the PCV fresh air tube to the vehicle.
  5. Install the PCV fresh air tube to the rocker arm cover.
  6. Connect the PCV fresh air tube to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service.
  7. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.