Removal Procedure

Fig 1: View Of PCV Fresh Air Tube

Courtesy of GENERAL MOTORS CORP.

Disconnect the mass air flow (MAF)/intake air temperature (IAT) sensor harness connector.

Fig 2: Removing Upper Air Cleaner Cover

Courtesy of GENERAL MOTORS CORP.

Remove the upper air cleaner cover screws.
Remove the upper air cleaner cover.
Remove the air cleaner filter from the lower air cleaner housing.
Inspect the air cleaner filter for dust, dirt and water contamination.
Replace as necessary. Refer to Maintenance Schedule (North American Emissions) .