GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 2065375  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the camshaft cover fitting (1).
  3. Disconnect the PCV quick disconnect (2). Refer to Plastic Collar Quick Connect Fitting Service.
  4. Disconnect the engine wiring harness electrical connector from the mass airflow (MAF)/intake air temperature (IAT) sensor.

  5. Object Number: 1860603  Size: SH
  6. Loosen the air cleaner outlet duct clamp (1) at the throttle body.
  7. Loosen the 6 air cleaner housing cover screws (2).
  8. Separate the air cleaner outlet duct from the throttle body.
  9. Remove the air cleaner housing cover (3) (with outlet duct).
  10. 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. Caution: Refer to Fastener Caution in the Preface section.

  6. Tighten the air cleaner outlet duct clamp (1) at the throttle body.
  7. Tighten
    Tighten the clamp to 4 N·m (35 lb in).


    Object Number: 2065375  Size: SH
  8. Connect the engine wiring harness electrical connector to the MAF/IAT sensor.
  9. Connect the PCV quick disconnect (2). Refer to Plastic Collar Quick Connect Fitting Service.
  10. Connect the PCV fresh air tube to the camshaft cover fitting (1).
  11. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.