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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (3.0L - Diesel Fuel Injection - Engine Code: CPNB) >> 23 Diesel Fuel Injection >> Safety Precautions And Clean Working Conditions >> Vacuum System, Checking

Vacuum System, Checking

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. 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 vacuum system for:

-- Check the vacuum lines leading both to and from the solenoid valve to the respective component.

-- If there is a fault, check all the vacuum lines for the named component, but also the vacuum lines to the other components.

-- If using the Hand Vacuum Pump VAS 6213 does not produce any vacuum or if the vacuum drops again right away, then check the hand vacuum pump and the connection hoses for leaks.

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