Check Valve, Removing And Installing, RS 5: Removing

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Open the hose clamp on the vacuum hose using suitable pliers.

-- Disconnect the vacuum hose from the pump.

-- Remove the vacuum hose on the left and right of the check valve -3-.

Fig 1: View of Brake System Vacuum Pump -V192-

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Be careful not to kink or damage the vacuum hose. Replace the vacuum hose if damaged.

-- Remove the check valve from the vehicle.