Audi Workshop Service and Repair Manuals

Removing

• ‒ Remove noise insulation tray:

=> General body repairs, exterior; Repair group 50; Front body; Noise insulation - Assembly overview

Vehicles with drive unit protection plate

• ‒ Remove drive unit protection plate:

=> General body repairs, exterior; Repair group 50; Front body; Noise insulation - Assembly overview

Continuation for all vehicles

• ‒ Mark ribbed belt direction of rotation.

• ‒ → To slacken ribbed belt turn tensioning element with a 16 mm spanner in direction of arrow.
• ‒ Remove ribbed V-belt.

Installing

• ‒ Place ribbed V-belt onto crankshaft pulley first. Slide belt onto tensioning roller last.

The rest of the assembly is basically a reverse of the dismantling sequence.

Notes:

• ◆ Ensure, before installing ribbed belt, that all ancillaries (alternator, air conditioner compressor) are secured tightly.
• ◆ When fitting the ribbed belt observe belt direction of rotation and that the belt is seated correctly in the belt pulleys.

After completing repairs always:

• ‒ Start engine and check that belt runs properly.

Ribbed belt routing

→ Belt drive without air conditioner compressor

•     1 -    Pulley - Crankshaft
•     2 -    Tensioner
•     3 -    Pulley - Alternator
•     4 -    Ribbed belt
•     5 -    Pulley - P.A.S. vane pump

→ Belt drive with air conditioner compressor

•     1 -    Pulley - P.A.S. vane pump
•     2 -    Idler roller
•     3 -    Pulley - Alternator
•     4-     Air conditioner compressor
•     5-     Pulley - Crankshaft
•     6 -    Tensioner