Audi Workshop Service and Repair Manuals > A4 Mk3 > Power unit | 6-cylinder direct petrol injection engine with supercharger (3.0 ltr. 4-valve), mechanics | Enginecrankshaft group, pistons | Cylinder block (pulley end) | Removing and installing poly V-belt

Removing and installing poly V-belt - vehicles with hydraulic power steering

Removing

–	Remove poly V-belt for supercharger → Chapter.

–	Remove bolt -arrow- and detach together with idler roller.

Caution

If a used belt runs in the opposite direction when it is refitted, this can cause breakage.

Mark direction of rotation of poly V-belt with chalk or felt-tip pen for re-installation.

–	To slacken poly V-belt turn tensioner in clockwise direction -arrow-.

–	Remove poly V-belt and release tensioner.

Installing

Installation is carried out in the reverse order; note the following:

l	Tightening torque → Chapter „Poly V-belt drive for vehicles with hydraulic power steering - exploded view“

–	Fit poly V-belt on pulleys as shown in illustration.

1 -	Alternator

2 -	Idler roller

3 -	Coolant pump

4 -	Power steering pump

5 -	Air conditioner compressor

6 -	Tensioner for poly V-belt

7 -	Vibration damper

Note

When installing poly V-belt, make sure it is properly seated on pulleys.

–	Start engine and check that belt runs properly.

–	Install poly V-belt for supercharger → Chapter.

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