audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Vehicles with 2.7 ltr. or 3.0 ltr. TDI engine > < Vehicles with 2.0 ltr. 4V TDI engine
Vehicles with 2.5 ltr. TDI engine
Vehicles with 2.5 ltr. TDI engine
Special tools and workshop equipment required
   
t  Open-end spanner -3312-
  W00-0318
t  Pin -T10060 A-
  W00-10235
Removing
–  With ignition switched off, disconnect earth cable at battery → Chapter.
–  Unscrew bolts -arrows-.
–  Remove air ducts -1- and -2-.
  A10-0746
–  Remove engine cover -arrows-.
–  Move lock carrier to service position → Rep. Gr.50.
  A34-0371
–  Remove viscous fan.
–  Remove toothed belt cover (front left and right).
  A10-0282
–  Remove poly V-belt cover -arrows-.
  Note
Note spacer sleeves for poly V-belt cover.
  A10-0283
–  On vehicles with auxiliary heater, unscrew bolts -arrows- for exhaust pipe of auxiliary/supplementary heater at noise insulation.
  A10-0407
–  Unfasten bolts/quick release fasteners -1- and -2- and detach noise insulation (front).
–  Detach cap from tensioning roller for air conditioner compressor.
  A10-1320
–  Loosen bolt -arrow- of tensioning roller for air-conditioner compressor and take off poly V-belt.
  A10-0336
–  Turn hexagon key in direction of -arrow- until the two holes align and insert locking pin -T10060 A-.
–  Remove poly V-belt from alternator pulley.
–  Unscrew wire for terminal 30/B+ at alternator.
–  Unplug connector for terminals DF and D+.
  A13-10493
–  Unscrew bolts -1- and -2-.
–  Unplug electrical connector for electro-hydraulic engine mounting.
–  Remove alternator towards bottom.
  Caution
When removing alternator, the refrigerant lines must be pushed aside very carefully.
  A27-0035
Installing
Installation is carried out in the reverse order; note the following:
–  Make sure poly V-belt is properly positioned and correctly routed.
  A13-0111
–  Remove locking pin -T10060 A-; to do so, turn hexagon key in direction of -arrow-.
–  Fit poly V-belt for air conditioner compressor.
  A13-10493
–  Apply torque wrench -C- with 8 mm hexagon key as shown in the illustration and tension poly V-belt to 7 Nm by turning in direction of -arrow-.
–  At the same time, use torque wrench to tighten bolt -A-.
l  Tightening torque: 22 Nm.
–  Press on cover for tensioning roller.
  A87-0175
–  Use open-end spanner -3312- to secure viscous fan.
  A19-0163
Tightening torque for viscous fanNm
Torque wrench -V.A.G 1331- and open-end spanner -3312-37
Torque wrench -V.A.G 1331- without open-end spanner -3312-70

–  Connect the battery. Additional steps required → Anchor.
–  Start engine and check that belt runs properly.
Tightening torques
   
ComponentNm
Alternator M822
to engineM1045
Terminal 30/B+ to alternator16
Poly V-belt cover to bracket10

   

Vehicles with 2.7 ltr. or 3.0 ltr. TDI engine > < Vehicles with 2.0 ltr. 4V TDI engine