Ribbed Belt, Removing and Installing

WARNING: This page is about a different car, the 2009 Audi S8, 2008 Audi S8, and 2007 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Torque Wrench V.A.G 1332

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Torque Wrench V.A.G 1332

Fig 2: Socket AF 16 mm V.A.G 1332/14

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Socket AF 16 mm V.A.G 1332/14

Removing

Fig 3: Removing Front Engine Cover And Rear

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Remove front engine cover - 1 - - arrows -.

Fig 4: Vacuum Hoses

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Remove hood seal from lock carrier and from fender edges.
Disconnect vacuum hoses - 1 - and - 2 - and free them up.

Fig 5: Identifying Exhaust Pipe Fasteners

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For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

Fig 6: Noise Insulation Quick-Release Fasteners

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Loosen quick-release fasteners - 1 - and remove front noise insulation.

Fig 7: Ribbed Belt Tensioning Bolt

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NOTE:

Before removing ribbed belt, mark the turning direction on it with chalk or a felt tip pen. A reversed turning in direction can cause damage to the ribbed belt under operating conditions.

Loosen tensioning bolt - arrow - and remove ribbed belt.

Installing

Installation is in reverse order of removal, note the following:

Fig 8: Placing Ribbed Belt Over Belt Pulley In Specified Sequence

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Place ribbed belt - 2 - over belt pulley in the specified sequence.

1 - Generator

3 - Idler roller

4 - Vibration damper

5 - Tensioning roller

NOTE:

When installing the ribbed belt, make sure it is seated correctly on the pulleys.

Fig 9: Positioning Torque Wrench With Socket AF 16 mm V.A.G 1332/14 On Tensioning Roller Hex Head And Tension Ribbed Belt To 70 Nm

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Position torque wrench with the 16 mm socket V.A.G 1332/14 on the tensioning roller hex head and tension the ribbed belt to 70 Nm.
At the same time, tighten the tensioning bolt - arrow - to 25 Nm.
Start engine and check running belt.