Vacuum System, Checking: Procedure

-- Check All Vacuum Lines In The Vacuum System For: 

• Cracks
• Damage caused by animals
• Crimps
• Leaks

-- 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 Hand Vacuum Pump: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.