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Home › Chevrolet › 2009 › Uplander Base, 3.9 1 › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 3.9L - Introduction (2 Of 2) › Repair Instructions › Intake Manifold Tuning Valve Replacement › Installation Procedure

Installation Procedure

    Fig 1: Identifying Tuning Valve Blade
    GM1580024Courtesy of GENERAL MOTORS CORP.
  1. Apply lubricate GM P/N 1051344 (Canadian P/N 993037) to the nose of the valve blade (1).
    2. Fig 2: View Of Intake Manifold Tuning Valve
    GM1557831Courtesy of GENERAL MOTORS CORP.
  2. Install the intake manifold tuning valve.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the intake manifold tuning valve bolts and tighten to 10 N.m (89 lb in)  .
  4. Install the power steering pump. Refer to Power Steering Pump Replacement .
    5. Fig 3: Identifying Engine Wiring Harness Electrical Connectors
    GM1675736Courtesy of GENERAL MOTORS CORP.
  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 .
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