GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.6L (LH2) 🢒 Air Cleaner Outlet Duct Replacement

Removal Procedure

    Object Number: 1201220 Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  2. Disconnect the positive crankcase ventilation (PCV) tube from the air cleaner duct.
  3. Loosen the air duct clamp at the throttle body.
  4. Loosen the air duct clamp at the mass air flow (MAF)/intake air temperature (IAT) sensor.
  5. Remove the air cleaner duct from the vehicle.

Installation Procedure

    Object Number: 1201220 Size: SH
  1. Install the air cleaner duct to the vehicle.

    2. Caution: Refer to Fastener Caution in the Preface section.

  2. Tighten the air cleaner duct clamps at the throttle body and the MAF/IAT sensor to 3 N·m (27 lb in).
  3. Connect the PCV tube to the air cleaner duct.
  4. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.