Volkswagen Workshop Service and Repair Manuals > Polo Mk5 > Power unit | 4-cylinder injection engine (1.2 l direct injection engine, turbocharger) | Enginecrankshaft group, pistons | Cylinder block (pulley end) | Removing and installing poly V-belt (vehicles with air-conditioning system)

Removing and installing poly V-belt (vehicles with air-conditioning system)

Special tools and workshop equipment required

t	16 mm spanner

Removing

–	Remove noise insulation → General body repairs, exterior; Rep. gr.50.

–	Mark direction of rotation of poly V-belt.

–	Swing poly V-belt tensioning element with a 16 mm spanner in -direction of arrow- to slacken belt.

–	Lock tensioning element with a 4 mm Allen key -1-.

–	Remove poly V-belt.

Installing

–	Fit poly V-belt first over crankshaft belt pulley. Finally, push belt onto tensioning roller.

Further assembly is basically the reverse of the dismantling sequence.

Note

t	Before installing poly V-belt, ensure that all ancillaries (alternator, air conditioner compressor) are secured tightly.

t	When installing poly V-belt, check direction of belt rotation and proper seating of belt in pulleys.

After completing repair:

–	Start engine and check that belt runs properly.

Belt drive with air conditioner compressor

1 -	Coolant pump pulley

2 -	Idler roller

3 -	Alternator pulley

4 -	Tensioning roller

5 -	Air conditioner compressor pulley

6 -	Crankshaft pulley

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