Toothed drive belt, removing, installing and tensioning: Removing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

With engine in vehicle.

Move lock carrier to service position → Lock carrier in service position, overview .

Fig 1: Removing Engine Cover By Lifting Up

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Remove engine cover by lifting up - arrows -.
Remove ribbed belt → Ribbed belt, removing and installing .

Fig 2: Removing/Installing Ribbed Belt Tensioner

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Remove ribbed belt tensioner - arrows -.

Fig 3: Removing Upper Part Of Drive Belt Cover

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Remove upper part of drive belt cover.

NOTE:

Take special note of the installed position of the upper part of the drive belt cover, particularly where it meets the center part of the drive belt cover.

CAUTION: The engine must only be turned in the direction of engine rotation (clockwise) at the crankshaft.

NOTE:

To turn the engine over use the center bolt on the crankshaft.

Fig 4: Identifying Marking On Camshaft Gear Aligned With Marking On Cylinder Head Cover

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Bring engine to TDC cylinder 1 by turning crankshaft in direction of engine rotation, using center camshaft drive sprocket bolt on crankshaft. Mark on camshaft sprocket and mark on crankshaft must be at TDC cylinder 1 - arrows -.

Fig 5: Removing/Installing Vibration Damper/Belt Pulley

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Unbolt vibration damper.

Fig 6: Removing Center And Lower Part Of Drive Belt Cover

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Remove center and lower part of drive belt cover.

CAUTION: The drive belt tensioner is oil-damped and can only be compressed slowly and with evenly applied force.

When compressing the tensioner, excessive force can damage the tensioning pulley.

Fig 7: Inserting An Allen Wrench Into Socket-Head

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Push pulley on counter-clockwise in direction of - arrow - with a socket head wrench using even but not excessive application of force until tensioner piston can be locked with locking plate T10008.

NOTE:

The stop tab of the eccentric bolt must not be bent.

Fig 8: Releasing Tension Of Tensioner Roller

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To release tension from drive belt, loosen nut - 1 - on pulley and rotate eccentric bolt clockwise in direction of - arrow - using special tool 3387.
Mark direction of rotation of drive belt with chalk or felt tip pen.
Remove drive belt.