Audi Workshop Service and Repair Manuals > A4 Mk3 > Power unit | 4-cylinder TDI engine (2.0 ltr. 4-valve common rail - generation II), mechanics | Enginecrankshaft group, pistons | Cylinder block (pulley end)

Removing and installing poly V-belt

Special tools and workshop equipment required

t	Locking tool -T40098-

Removing

–	Remove engine cover panel -arrows-.

–	Open clips -arrows- and remove toothed belt cover.

Caution

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

Before removing, mark direction of rotation of poly V-belt with chalk or felt-tip pen for re-installation.

–	Swivel tensioner in clockwise direction -arrow-, detach poly V-belt from alternator pulley and lock tensioner using locking tool -T40098-.

–	Take off poly V-belt.

Installing

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

–	Fit poly V-belt on all poly V-belt pulleys:

1 -	Vibration damper

2 -	Air conditioner compressor

3 -	Poly V-belt pulley for power steering pump

4 -	Idler roller

5 -	Poly V-belt tensioner

6 -	Alternator

Note

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

–	Start engine and check that belt runs properly.

Audi Workshop Service and Repair Manuals