Audi Workshop Service and Repair Manuals

Removing and installing poly V-belt tensioner for supercharger Special tools and workshop equipment required

t  Locking pin -T10060 A-

t  Open-end spanner, 16 mm -T10241-

Removing –  Pull off engine cover panel (front) -arrows- and remove towards front. –  Remove front wheel housing liner (right-side) → Rep. gr.66.

–  Remove noise insulation -1- → Rep. gr.66.

–  Remove bolts -arrows-.   Note Disregard -item 1-.

–  Release hose clips -1 and 2- and remove air hose. –  Disconnect vacuum hose -3- from air hose.   Note Disregard -item 4-.

–  Remove bolts -1 and 3-. –  Release hose clip -2-, detach air pipe (top right) and remove air hose.

–  Unplug electrical connectors on: 1 -  Intake air temperature sender 3 -G520- 5 -  Regulating flap control unit -J808- –  Release hose clip -3- and move clear fuel hose -2-. –  Remove bolts -arrows-, detach intake connecting pipe and at the same time disconnect crankcase breather hose -4- (press release tabs).

–  Move clear fuel hose -4- and detach air pipe -3-. –  Seal off open connections to supercharger with clean cloths.   Note Disregard -items 1, 2-.

–  Unplug electrical connector -2- and release hose clip -1-. –  Remove bolt -arrow-.

–  Remove bolts -2- and detach bracket -1- and air pipe (right-side).

–  Carefully press retaining tabs on cover for noise insulation for supercharger outwards -arrows-. –  Detach cover (front) together with noise insulation.

–  Slacken poly V-belt for supercharger by turning tensioner in clockwise direction using open-end spanner, 16 mm -T10241-. –  Lock tensioner with locking pin -T10060 A-.

–  Remove bolts -arrows- and take off poly V-belt tensioner. Installing Installation is carried out in the reverse order; note the following: l  Tightening torques → Chapter „Poly V-belt drive for supercharger - exploded view“   Note Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. –  Install intake connecting pipe → Rep. gr.24. –  Install air pipes → Chapter. –  Install air hoses with screw-type clips → Fig.. –  Install noise insulation → Rep. gr.66. –  Install front right wheel housing liner → Rep. gr.66.