Audi Workshop Service and Repair Manuals

Removing and installing vacuum pump

Removing –  Carefully pull engine cover panel off four retaining pins one after the other -arrows-.

–  Pull crankcase breather hose off air pipe -arrow-. –  Remove bolts -2- and -3-. –  Release hose clip -1- and detach air pipe at air mass meter -G70- and at turbocharger.

–  Remove retaining nut -3-, open retainer and move fuel filter to one side (with fuel lines -1, 2, 4- attached).

–  Detach vacuum hose going to brake servo -arrow- at plenum chamber partition panel.

–  Detach vacuum hose -1- from hose connection. –  Remove bolts -arrows- and detach vacuum pump.   Note Shown in illustration with engine removed.

Installing Installation is carried out in the reverse order; note the following:   Note t  Renew O-rings. t  Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. –  Set drive lugs of vacuum pump so they engage in slots on camshaft when pump is fitted -arrow-. Tightening torques

Component	Nm
Vacuum pump to timing chain cover	9
Retainer for fuel lines to bracket	9
Air pipe to turbocharger	9