Ribbed belt drive for air conditioner - assembly overview — AUDI

Important
Do not open the refrigerant circuit of the air conditioner.
Note:

Before removing the ribbed belt, mark the direction of rotation with chalk or a felt pen. If a used belt rotates in the wrong direction when refitted, it can break. When installing the belt, ensure it is correctly seated on the pulleys.

Bracket

A/C compressor
After removing compressor from mountings, secure it to chassis side member with wire or similar. Do not leave it suspended on refrigerant hoses.
Do not unscrew or disconnect refrigerant hoses or pipes.

Dowel sleeve
Check that sleeve is correctly seated in bracket

40 Nm
Bracket
For A/C compressor

Tensioner
For ribbed belt
Removing and installing ribbed belt => Page
13-14

Washer
25 Nm
Ribbed belt
Removing and installing
=> Page
13-14
Check for wear
Do not kink
Position of ribbed belt on vehicles with air conditioner=>Fig.
13-11

Washer
25 Nm
Use only correct bolts (same as original equipment); strength rating 10.9

=> Parts catalogue

Retaining clip
20 Nm

Fig.1
Ribbed belt on vehicles without air conditioner

Fig.2
Ribbed belt on vehicles with air conditioner

Additional ribbed belt for A/C compressor.

Fig.3
Removing and installing viscous fan

Lock carrier must be in service position:

=> General body repairs, exterior; Repair group 50; Body, front; Removing and installing lock carrier
General body repairs, exterior
Body, front
Removing and installing lock carrier

Ribbed belt must be slackened => Page
13-14
.

Insert punch in viscous fan pulley to prevent it from turning and unscrew with Allen key.

1 -
Punch (5 mm)
2 -
Allen key (8 mm)

Remove viscous fan
When installing, tighten viscous fan bearing to 45 Nm.

Fig.4
Installing vibration damper

Lock carrier must be in service position:

=> General body repairs, exterior; Repair group 50; Body, front; Removing and installing lock carrier
General body repairs, exterior
Body, front
Removing and installing lock carrier

Ribbed belt must be removed => Page
13-14
.

When installing vibration damper, use only correct bolts (strength rating 10.9, same as original equipment):

=> Parts catalogue

The vibration damper can only be installed in one position. The hole -arrow- in the vibration damper must fit over the projection on the toothed belt sprocket.

Tighten vibration damper bolts to 40 Nm.