Vacuum, Creating With Hand Vacuum Pump

WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Hand Vacuum Pump:VAS 6213

Fig 1: Hand Vacuum Pump VAS 6213
Courtesy of AUDI OF AMERICA, LLC

Procedure

In certain situations, the vacuum can be created using a Hand Vacuum Pump:VAS 6213 instead of using the engine or a vacuum pump.

-- To do so, connect the Hand Vacuum Pump:VAS 6213 to the vacuum hose from the connection -B- to the Brake Servo Tester:VAS 6721 .

Fig 2: Identifying VAS 6721 Shut-Off Valves

Courtesy of AUDI OF AMERICA, LLC

-- Open the shut-off valve -B-.

-- Create the vacuum using the Hand Vacuum Pump:VAS 6213 until a vacuum between 600 and 950 mbar (8.7 and 13.78 psi) is displayed on the Brake Servo Tester:VAS 6721 .

-- Then perform the relevant tests.