Vacuum, Creating With Hand Vacuum Pump
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 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 :VAS6213
Procedure
In certain situations, the vacuum can be created using a Hand Vacuum Pump :VAS6213 instead of using the engine or a vacuum pump.
-- To do so, connect the Hand Vacuum Pump :VAS6213 to the vacuum hose from the connection -B- to the Brake Servo Tester :VAS6721 .
-- Open the shut-off valve -B-.
-- Create the vacuum using the Hand Vacuum Pump :VAS6213 until a vacuum between 600 and 950 mbar (9 and 13 psi) is displayed on the Brake Servo Tester :VAS6721 .
-- Then perform the relevant tests.