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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Repair Instructions >> Air Cleaner Outlet Duct Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the intake manifold cover, if necessary. Refer to INTAKE MANIFOLD COVER REPLACEMENT .
  2. Fig 1: Identifying Engine Harness connector At Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
    GM1677915Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the PCV fresh air tube to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Loosen the air cleaner outlet duct clamp at the mass air Flow (MAF)/Intake Air temperature (IAT) sensor.
  5. Loosen the air cleaner outlet duct clamp at the throttle body.
  6. Remove the air cleaner outlet duct from the air cleaner housing and throttle body.