GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1201220  Size: SH
  1. Remove the air cleaner outlet duct from the vehicle. Refer to Air Cleaner Outlet Duct Replacement.
  2. Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor electrical connector.
  3. Remove the MAF/IAT sensor if necessary. Refer to Mass Airflow Sensor/Intake Air Temperature Sensor Replacement.
  4. Remove the coolant hose from the retaining feature on the top of the air cleaner assembly. Position the hose aside.

  5. Object Number: 1201221  Size: SH
  6. Remove the screws securing the air cleaner assembly to the vehicle and remove the assembly.

Installation Procedure

Note: An improperly installed air cleaner or a distorted or missing intake air duct may cause a diagnostic trouble code (DTC) to set. Ensure that the air cleaner assembly and intake air duct is installed correctly and that there are no kinks or folds in the intake air duct. Debris in the air cleaner assembly or MAF sensor inlet screen, that may distort air flow can set a DTC.


    Object Number: 1201221  Size: SH
  1. Install the air cleaner assembly into the vehicle.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the air cleaner assembly screws and tighten to 10 N·m (89 lb in).

  4. Object Number: 1201220  Size: SH
  5. Install the coolant hose into the retaining feature on the top of the air cleaner assembly.
  6. Install the MAF/IAT sensor if previously removed. Refer to Mass Airflow Sensor/Intake Air Temperature Sensor Replacement.
  7. Connect the MAF/IAT sensor electrical connector.
  8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.