GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.9L 🢒 Intake Manifold Tuning Valve Replacement

Removal Procedure

    Object Number: 1614473 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the intake manifold tuning valve electrical connector.
  3. Remove the engine harness clip from the engine bracket.
  4. Remove the power steering pump. Refer to Power Steering Pump Replacement .

    5. Object Number: 1557831 Size: SH
  5. Remove the intake manifold tuning valve bolts.
  6. Remove the intake manifold tuning valve.

Installation Procedure

    Object Number: 1580024 Size: SH
  1. Apply lubricate GM P/N 1051344 (Canadian P/N 993037) to the nose of the valve blade (1).

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1557831 Size: SH
  2. Install the intake manifold tuning valve.
  3. Install the intake manifold tuning valve bolts.

    4. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  4. Install the power steering pump. Refer to Power Steering Pump Replacement

    5. Object Number: 1614473 Size: SH
  5. Install the engine harness clip to the engine bracket.
  6. Connect the intake manifold tuning valve electrical connector.
  7. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .