Audi Workshop Service and Repair Manuals > A3 Mk2 > Power unit | 4-cylinder TDI engine (2.0 ltr. 4-valve common rail), mechanics | Enginecrankshaft group, pistons | Cylinder block (pulley end) | Removing and installing poly V-belt - vehicles with air conditioner compressor and tensioner

Removing and installing poly V-belt - vehicles with air conditioner compressor and tensioner

Special tools and workshop equipment required

t	Locking pin -T10060 A-

Removing

–	Remove noise insulation -1- → Rep. gr.50.

–	A3 Cabriolet: Remove front wheel housing liner (front section, right-side) → Rep. gr.66.

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.

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

–	Lock tensioner with locking pin -T10060 A-.

–	Take off poly V-belt.

Installing

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

Note

Before fitting poly V-belt, make sure all mechanical units (e.g. alternator and air conditioner compressor) are firmly in position.

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

1 -	Vibration damper

2 -

Tensioner

3 -	Alternator

4 -	Air conditioner compressor

–	Hold tensioner with ring spanner and remove locking pin -T10060 A-.

–	Release tensioner.

–	Check that poly V-belt is properly seated.

–	Start engine and check that belt runs properly.

–	A3 Cabriolet: Install front wheel housing liner (front section, right-side) → Rep. gr.66.

–	Install noise insulation → Rep. gr.50.

Audi Workshop Service and Repair Manuals