Exhaust Flap, Checking

Special tools and workshop equipment required 

• Hand vacuum pump VAS 6213

Test Sequence

• Vacuum lines and hose connections free of leaks
• Vacuum lines not blocked or porous

-- Disconnect the hose on the exhaust flap vacuum actuator

-- Connect the VAS 6213 to the vacuum actuator -A-.

Fig 1: Connecting Hand Vacuum Pump VAS 6213 To Vacuum Actuator

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Set the slide ring -1- on the VAS 6213 to position -A- for "vacuum".

Fig 2: Identifying Slide Ring On Hand Vacuum Pump VAS 6213 Set To Position For "Pressure"

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Generate pressure using the VAS 6213 and watch the linkage.

Fig 3: Generating Pressure With Hand Vacuum Pump VAS 6213

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

• The linkage must move to the left and the exhaust flap -arrow- must close.

-- Vent the VAS 6213.

• The linkage must move to the left and the exhaust flap -arrow- must close.

If linkage does not move:

-- Check the linkage for ease of movement and check the vacuum actuator for leaks.