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Home >> Buick >> 2011 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.6L - Repair Instructions >> Repair Instructions >> Air Cleaner Outlet Duct Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Air Cleaner Outlet Duct
    GM1670799Courtesy of GENERAL MOTORS COMPANY
  1. Install air cleaner outlet duct to the vehicle and the MAF/IAT sensor.
    2. CAUTION:

    Refer to Fastener Caution .

  2. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

    Tighten 

    Tighten the clamp to 4 N.m (35 lb in).

    3. Fig 2: View Of Air Cleaner Outlet Duct To Throttle Body
    GM1670790Courtesy of GENERAL MOTORS COMPANY
  3. Install the air cleaner outlet duct to the throttle body.
  4. Tighten the air cleaner outlet duct clamp at the throttle body.

    Tighten 

    Tighten the clamp to 4 N.m (35 lb in).

    5. Fig 3: Identifying PCV Fresh Air Tube
    GM1661022Courtesy of GENERAL MOTORS COMPANY
  5. Connect the PCV fresh air tube quick connect fitting to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
    6. Fig 4: Locating MAF/IAT Sensor Connector
    GM1670786Courtesy of GENERAL MOTORS COMPANY
  6. Connect the engine harness electrical connector to the MAF/IAT sensor.
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