GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Air Cleaner Element Replacement

Removal Procedure

    Object Number: 2018383 Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Remove the positive crankcase ventilation (PCV) fresh air tube from the camshaft cover fitting.
  3. Disconnect the engine wiring harness electrical connector from the mass airflow (MAF)/intake air temperature (IAT) sensor.

    4. Object Number: 1860603 Size: SH
  4. Loosen the air cleaner outlet duct clamp (1) at the throttle body.
  5. Loosen the 6 air cleaner housing cover screws (2).
  6. Separate the air cleaner outlet duct from the throttle body.
  7. Remove the air cleaner housing cover (3) (with outlet duct).
  8. Remove and discard the air cleaner element (4).

Installation Procedure

    Object Number: 1860603 Size: SH
  1. Install a NEW air cleaner element (4).
  2. Position the air cleaner housing cover (3) (with outlet duct) onto the air cleaner lower housing.
  3. Install the air cleaner outlet duct onto the throttle body.
  4. Tighten the 6 air cleaner housing cover screws (2) until snug.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Tighten the air cleaner outlet duct clamp (1) at the throttle body.

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


    Object Number: 2018383 Size: SH
  6. Connect the engine wiring harness electrical connector to the MAF/IAT sensor.
  7. Install the PCV fresh air tube to the camshaft cover fitting.
  8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .