Check Valve, Removing And Installing, With Vacuum Line In Plenum Chamber: Removing

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

-- Open the access cover.

-- Disconnect the connector -2- for the Vacuum Sensor -G608-.

Courtesy of AUDI OF AMERICA, LLC

-- Carefully remove the vacuum line -3- from the plenum chamber bulkhead -4- and from the brake booster -1-.