volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 3874 > < Diagram Information and Instructions|Page 3872
Page 1
background image

Vacuum Pump: Testing and Inspection

Vacuum System, Checking For Leaks

-

Pull vacuum hose off vacuum pump and seal.

-

Push positioning element diaphragm in, to do this press brake pedal down by hand to pressure point.

-

Release brake pedal.

-

Diaphragm must not move.

Diagram Information and Instructions|Page 3874 > < Diagram Information and Instructions|Page 3872