Audi A8 2010 - Checking Vacuum System

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1.8 Checking vacuum system
Special tools and workshop equipment required
♦ Hand vacuum pump -VAS 6213-
Procedure
– Check all vacuum lines in the complete vacuum system for:
♦ Cracks
♦ Traces of animal bites
♦ Kinked or crushed lines
♦ Lines porous or leaking
– Check vacuum line to solenoid valve and from solenoid valve
to corresponding component.
– If a fault is stored in the event memory, check the vacuum lines
leading to the corresponding component and also check the
remaining vacuum lines leading to other components.
– If it is not possible to build up a vacuum with the hand vacuum
pump -VAS 6213- or if the vacuum pressure drops again im‐
mediately, check the hand vacuum pump and connecting
hoses for leaks.
Audi A8 2010 ➤
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1. Safety precautions and rules for cleanliness 5