Vacuum System, Checking
WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
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 Hand Vacuum Pump :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.