GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza - 4WD 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Intake Manifold Tuning Valve Replacement

Removal Procedure

    Object Number: 1675736 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the engine harness electrical connector (1) from the intake manifold tuning valve.
  3. Remove the power steering pump. Refer to Power Steering Pump Replacement .

    4. Object Number: 1557831 Size: SH
  4. Remove the intake manifold tuning valve bolts.
  5. 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. Object Number: 1557831 Size: SH
  2. Install the intake manifold tuning valve.

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

  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: 1675736 Size: SH
  5. Connect the engine harness electrical connector (1) to the intake manifold tuning valve.
  6. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .