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Home >> Cadillac >> 2010 >> STS 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.6L (LH2) - Repair Instructions >> Repair Instructions >> Air Cleaner Assembly Replacement >> Installation Procedure
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Installation Procedure

NOTE: An improperly installed air cleaner or a distorted or missing intake air duct may cause a diagnostic trouble code (DTC) to set. Ensure that the air cleaner assembly and intake air duct is installed correctly and that there are no kinks or folds in the intake air duct. Debris in the air cleaner assembly or MAF sensor inlet screen, that may distort air flow can set a DTC.
    Fig 1: Air Cleaner Assembly
    GM1201221Courtesy of GENERAL MOTORS CORP.
  1. Install the air cleaner assembly into the vehicle.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the air cleaner assembly screws and tighten to 10 N.m (89 lb in).
    3. Fig 2: Air Cleaner Outlet Duct
    GM1201220Courtesy of GENERAL MOTORS CORP.
  3. Install the coolant hose into the retaining feature on the top of the air cleaner assembly.
  4. Install the MAF/IAT sensor if previously removed. Refer to Mass Airflow Sensor with Intake Air Temperature Sensor Replacement .
  5. Connect the MAF/IAT sensor electrical connector.
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
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