GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 HHR 🢒 Engine 🢒 Engine Controls and Fuel - 2.2L or 2.4L 🢒 Air Cleaner Assembly Replacement

Removal Procedure

    Object Number: 1721513 Size: SH
  1. Gently lift up the rear of the air cleaner assembly in order to disengage the air cleaner from the studs.
  2. Reposition the air cleaner assembly in order to access the positive crankcase ventilation (PCV) hose and the throttle body duct.
  3. Reposition the PCV hose clamp (1) at the air cleaner assembly.
  4. Remove the PCV hose (2) from the air cleaner assembly.

    5. Object Number: 1638524 Size: SH
  5. Loosen the air cleaner outlet duct clamp at the throttle body.

    6. Object Number: 1625474 Size: SH
  6. Disconnect the engine wiring harness electrical connector from the mass air flow (MAF)/intake air temperature (IAT) sensor.
  7. Remove the air cleaner assembly.

Installation Procedure

    Object Number: 1638524 Size: SH
  1. Install the air cleaner assembly.

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

  2. Tighten the air cleaner outlet duct clamp at the throttle body.

    3. Tighten
    Tighten the clamp to 5 N·m (44 lb in).


    Object Number: 1625474 Size: SH
  3. Connect the engine wiring harness electrical connector to the MAF/IAT sensor.

    4. Object Number: 1721513 Size: SH
  4. Install the PCV hose (2) to the air cleaner assembly.
  5. Position the PCV hose clamp (1) at the air cleaner assembly.
  6. Seat the air cleaner assembly onto the studs.