Audi Q3: Air Quality Sensor -G238-, Removing and Installing

Removing

- Remove the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.

- Release the securing tab -4- and turn the housing -1- for the Air Quality Sensor -G238- counter-clockwise -arrow-.

- Remove the housing from the rain water drain channel -2- for the fresh air intake.

- Disconnect the connector -3-.

  Note

Do not store a removed Air Quality Sensor -G238- in areas where it can come into contact with solvents, fuels, and certain chemical compositions (fluids or vapors).

Installing

Installation is done is reverse order, observe the following:

  Note

• So that no water enters into the A/C unit (heater) via the rain water drain channel -1- when the plenum chamber cover -2- is installed, the plenum chamber cover must not be damaged.
• If the plenum chamber cover is damaged or is installed incorrectly, water can flow into the fresh air intake duct via the rain water drain channel.
• The plenum chamber cover must be completely engaged in the windshield frame -3-. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.

- Install the plenum chamber cover. Refer to → Body Exterior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing.

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