Vacuum, Creating With Hand Vacuum Pump

Special tools and workshop equipment required

Procedure

In certain situations, the vacuum can be created using a :VAS6213 instead of using the engine or a vacuum pump.

-- To do so, connect the :VAS6213 to the vacuum hose from the connection -B- to the :VAS6721 .

Fig 1: Identifying VAS 6721 Shut-Off Valves

Courtesy of AUDI OF AMERICA, LLC

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

-- Create the vacuum using the :VAS6213 until a vacuum between 600 and 950 mbar (8.7 and 13.77 psi) is displayed on the :VAS6721 .

-- Then perform the relevant tests.