volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Vacuum Pump, Cruise Control|Testing and Inspection|Page 6791 > < Steering Column Switches, Assembly|Page 6787
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Vacuum Pump: Testing and Inspection

Vacuum System, Checking For Leaks

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Pull vacuum hose off vacuum pump and seal.

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

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Release brake pedal.

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Diaphragm must not move.

Vacuum Pump, Cruise Control|Testing and Inspection|Page 6791 > < Steering Column Switches, Assembly|Page 6787