audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Vehicles with 1.6 l FSI engine > < Removing and installing alternator
Vehicles with 1.4 l MPI engine
   
Vehicles with 1.4 l MPI engine
Special tools and workshop equipment required
t  Hose clamp fitting tool -V.A.G 1921-
t  Protective cover for bonnet Audi A2 -VAS 6011-
t  Locking pin -T10060 A-

Removing
  Note
The following describes the procedure for a vehicle with air conditioner.
  Caution
On vehicles with telematics system, activate service mode of telematics control unit before disconnecting battery → Radio, telephone, navigation, self-diagnosis; Rep. Gr.01.
–  With the ignition switched off, disconnect the earth wire at the battery → Chapter.
   
–  Wash and rub dry the outside of the bonnet.
–  Release the service flap from inside.
–  Release the bonnet -arrows- and pull it forwards slightly.
  A10-0696
–  Fit the protective cover -VAS 6011- over the bonnet.
  Note
  A10-0685
Do not stand the bonnet on end.
–  Detach the bonnet and set it down on the protective cover -VAS 6011-.
  A10-0686
–  Detach the activated charcoal filter system solenoid valve 1 -N80--Item 1- with mount at the air duct.
–  Remove the air duct -2-; for this purpose, release the spring clips with hose clamp fitting tool -V.A.G 1921-.
–  Remove the air duct.
  A50-0587
–  Remove bolts -2-.
–  Detach the water collector -3- in -direction of arrow-.
–  Detach air duct hose -6- for intake air preheater from warm air arrester plate.
–  Remove the bolt -5- from the intake air preheater -4-.
–  Detach the air hose -1- at the lock carrier and air cleaner housing.
  Note
  A27-0241
Mark direction of rotation of ribbed V-belt with chalk or felt pen. Running a used belt in the opposite direction could destroy it.
–  In order to slacken the poly V-belt, turn tensioner in -direction of arrow- using a ring spanner.
–  Lock the poly V-belt tensioner in position by inserting the locking pin -T10060 A- in the locating holes.
–  Remove ribbed belt.
  A13-0259
–  Detach the terminal 30/B+ wire -Item 1- from alternator.
–  Unplug electrical connector -2-.
  A10-0694
–  Remove securing bolts -1- and -2- for alternator.
  A27-0078
–  Release the retaining clips -arrows- and remove the toothed belt cover -1-.
–  Lift out alternator.
  Note
t  If the alternator sticks in its holder, screw the bolts back in again down to the last 2 turns.
t  Tap carefully on the bolt heads with the flat side of a hammer to release the bushes of the alternator mount.
Installing
Install in reverse order, paying attention to the following:
–  To facilitate positioning of the alternator, drive back the bushings for the securing bolts slightly.
  Note
Stiff alternator mount bushes must be released as otherwise the clamping force of the bush will not be adequate even if tightened to the correct torque.
  A27-0242
–  Make sure the poly V-belt is properly positioned and correctly routed.
Poly V-belt routing on vehicles with air conditioner:
1 - Crankshaft pulley
2 - Tensioning roller
3 - Alternator pulley
4 - Air conditioner compressor pulley
5 - Poly V-belt
–  Position the poly V-belt on the crankshaft and alternator pulleys.
–  As a final step, position the poly V-belt on the air conditioner compressor pulley.
All models:
–  Slacken off the tensioner and pull the locking pin -T10060 A- out of the locating holes.
–  Make sure the poly V-belt is correctly positioned.
–  Connect the battery. Action to be taken → Anchor.
–  Start the engine and check belt running.
Tightening torques
  A13-0260
ComponentNm
Alternator to bracket25
Terminal 30/B+ wire to alternator16
Intake air preheater to lock carrier3.5
Air hose to lock carrier2.5

   

Vehicles with 1.6 l FSI engine > < Removing and installing alternator