Vacuum System, Checking
WARNING: This page is about a different car, the 2020 Audi A3, 2019 Audi A3, and 2018 Audi A3. 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
-- Check all vacuum lines in the entire vacuum system for:
- Cracks
- Damage caused by animals
- Pinching
- Porous locations and other leaks
-- Check the vacuum line leading both to and from the solenoid valve to the respective component.
-- If there is a DTC memory entry, check the vacuum lines for the named component, but also check all the vacuum lines.
-- If using the :VAS6213 does not produce any pressure or if the pressure drops again right away, then check the hand vacuum pump and the connection hoses for leaks.