GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Caprice WM 🢒 Preface 🢒 Cautions and Notices 🢒 Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement LHD

Removal Procedure
  1. Remove the engine covers. Refer to Engine Cover Replacement.

    2. Object Number: 1961768 Size: SH
  2. Detach and reposition the noise insulation panel (3) from the engine cover ball studs on the intake manifold assembly (1).
  3. Disconnect the PCV tube (2) from both sides of the upper intake manifold assembly (1).

    4. Object Number: 1957946 Size: SH
  4. Disconnect the PCV tube (1) from the right camshaft cover (3).

    5. Important:  Install a rubber cap or plug to the right hand camshaft cover (3) to prevent dust and dirt entry.

  5. Plug the right hand camshaft cover (3).
  6. Remove the PCV tube (1) from the intake manifold assembly (2).

    7. Object Number: 1961769 Size: SH
  7. Disconnect the PCV tube (1) from the left hand camshaft cover (2).

    8. Important:  Install a rubber cap or plug to the left hand camshaft cover (2) to prevent dust and dirt entry.

  8. Plug the left hand camshaft cover (2).

    9. Object Number: 1957951 Size: SH
  9. Disconnect the PCV tube (1) from the air intake assembly (2).

Installation Procedure

    Object Number: 1957951 Size: SH
  1. Connect the PCV tube (1) to the air intake assembly (2).

    2. Object Number: 1961769 Size: SH
  2. Remove the plug from the left hand camshaft cover (2).
  3. Connect the PCV tube (1) to the left hand camshaft cover (2).

    4. Object Number: 1957946 Size: SH
  4. Install the PCV tube (1) to the intake manifold assembly (2).
  5. Remove the plug from the right hand camshaft cover (3).
  6. Connect the PCV tube (1) to the right camshaft cover (3).

    7. Object Number: 1961768 Size: SH
  7. Connect the PCV tube (3) from both sides of the upper intake manifold assembly (2).
  8. Attach the noise insulation panel (1) to the engine cover ball studs on the intake manifold assembly (2).
  9. Install the engine covers. Refer to Engine Cover Replacement.

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement RHD

Removal Procedure
  1. Remove the engine covers. Refer to Engine Cover Replacement.

    2. Object Number: 1957944 Size: SH
  2. Detach and reposition the noise insulation panel (3) from the engine cover ball studs on the intake manifold assembly (1).
  3. Disconnect the PCV tube (2) from both sides of the upper intake manifold assembly (1).

    4. Object Number: 1957946 Size: SH
  4. Disconnect the PCV tube (1) from the right camshaft cover (3).

    5. Important:  Install a rubber cap or plug to the right hand camshaft cover (3) to prevent dust and dirt entry.

  5. Plug the right hand camshaft cover (3).
  6. Remove the PCV tube (1) from the intake manifold assembly (2).

    7. Object Number: 1957949 Size: SH
  7. Disconnect the PCV tube (1) from the left hand camshaft cover (2).

    8. Important:  Install a rubber cap or plug to the left hand camshaft cover (2) to prevent dust and dirt entry.

  8. Plug the left hand camshaft cover (2).

    9. Object Number: 1957951 Size: SH
  9. Disconnect the PCV tube (1) from the air intake assembly (2).

Installation Procedure

    Object Number: 1957951 Size: SH
  1. Connect the PCV tube (1) to the air intake assembly (2).

    2. Object Number: 1957949 Size: SH
  2. Remove the plug from the left hand camshaft cover (2).
  3. Connect the PCV tube (1) to the left hand camshaft cover (2).

    4. Object Number: 1957946 Size: SH
  4. Install the PCV tube (1) to the intake manifold assembly (2).
  5. Remove the plug from the right hand camshaft cover (3).
  6. Connect the PCV tube (1) to the right camshaft cover (3).

    7. Object Number: 1957944 Size: SH
  7. Connect the PCV tube (3) from both sides of the upper intake manifold assembly (2).
  8. Attach the noise insulation panel (1) to the engine cover ball studs on the intake manifold assembly (2).
  9. Install the engine covers. Refer to Engine Cover Replacement.