Audi Workshop Service and Repair Manuals

• ● Lock carrier must be in service position .

Note:

Mark the direction of rotation with chalk or felt pen before removing the ribbed belt. If the belt rotates in the wrong direction when it is refitted, it can break. Ensure that the belt is properly seated on the pulleys when installing.

Removing

Vehicles with air conditioner:

• ‒ → Remove noise insulation -arrows-.

• ‒ → Loosen securing bolts of tensioning roller for ribbed belt for A/C compressor -arrows-. Slacken belt and remove.

All models

• ‒ → To slacken ribbed belt, turn tensioning element in direction of arrow.

Note:

→ The tensioning element for the ribbed belt can be locked in position by inserting a suitable Allen key -arrow- or mandrel 3204 into the fixing holes.

• ‒ Remove ribbed belt and release tensioning element.

Installing

• ‒ Fit ribbed belt over crankshaft pulley, viscous fan pulley and vane pump pulley. If necessary, pull the belt upwards using a suitable tool.
• ‒ → Turn ribbed belt tensioning element in direction of arrow.
• ‒ Fit ribbed belt over alternator pulley last. Release tensioning element.
• ‒ Check that ribbed belt is properly seated.
• ‒ Routing of ribbed belt => Page 13-15

Vehicles with air conditioner:

• ‒ Fit ribbed belt for A/C compressor.
• ‒ Routing of ribbed belt => Page 13-15
• ‒ → Apply torque wrench to hexagon on tensioning roller and tension with a torque of 25 Nm.
• ‒ At the same time, tighten bolts -A- to 20 Nm.

All models

• ‒ Start engine and check that belt runs properly.