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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (3.0L - Engine Mechanical - General & Technical Data - Engine Code: CATA) >> 00 General, Technical Data >> General Repair Information >> Vacuum System, Checking

Vacuum System, Checking

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Special tools and workshop equipment required 

Procedure 

-- Check all vacuum lines in the vacuum system for:

-- Check the vacuum line leading and to and from the solenoid valve.

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

-- If using the Hand Vacuum PumpVAS 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.