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Home >> Audi >> 2016 >> A8 Quattro L TDI >> Repair and Diagnosis >> Engine Performance >> Ignition System >> General, Technical Data [CDTA,CDTB,CLAB,CMHA,CPNA,CTBA,CTBB,CDTC,CPNB,CTBD] >> 00 General, Technical Data >> Repair Information >> Vacuum System, Checking

Vacuum System, Checking

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 stored in the Diagnostic Trouble Code (DTC) memory, check the vacuum lines for the named component, but also check all the vacuum lines.

-- If using the :VAS6213  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.