Audi Workshop Service and Repair Manuals

Removing and installing vacuum pump (2.0 ltr. TDI diesel engine) Removing

The vacuum pump is located in the rear of the engine compartment -arrow-, as seen in the direction of travel.

–  Detach engine cover panel. The plenum chamber partition panel does not have to be removed.

–  Remove pressure sensor -1- for diesel particulate filter from bracket. –  Unclip pressure sensor pipe -2- and carefully press to the side. –  Remove bracket for pressure sensor at vacuum pump. –  Unscrew coolant pipe at bracket and at left engine transportation shackle and press to the side.

–  Detach vacuum hose -1- from vacuum pump.

–  Remove all bolts -arrows- from sealing flange of vacuum pump. –  Pull vacuum pump out of its mounting. Installing   Note Renew seal. Ensure that seal is seated correctly. –  Turn drive lugs of vacuum pump so they engage in slots in camshaft when vacuum pump is installed. –  Fit vacuum pump in position. –  Ensure that seal is seated correctly.

–  Fit all bolts -arrows- on sealing flange of vacuum pump and tighten. → Item –  Connect vacuum hose to vacuum pump. –  Screw coolant pipe into bracket and left engine transportation shackle.

–  Fit bracket for pressure sensor -1- of diesel particulate filter at vacuum pump. –  Secure bracket. –  Clip pressure sensor pipes into bracket. –  Tighten pressure sensor. –  Install engine cover panel.