Removing and installing poly V-belt - vehicles with air conditioner compressor and tensioning roller — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Renewed: bolt for tensioning roller

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• Renew bolt for tensioning roller.Before fitting poly V-belt, make sure all mechanical units (alternator and air conditioner compressor) are firmly in position.

🔧 Engine codes this applies to

📋 Procedure

1. Remove noise insulation (1)50.
2. ⚠ 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. — Remove tensioning bolt (arrow) and detach tensioning roller to slacken poly V-belt.
3. Take off poly V-belt. [Note: Renew bolt for tensioning roller.Before fitting poly V-belt, make sure all mechanical units (alternator and air conditioner compressor) are firmly in position.]
4. Fit poly V-belt on all poly V-belt pulleys:
5. Use a brush to coat guide surfaces of tensioning roller with lubricating paste; lubricating paste Electronic parts catalogue.

6. Insert tensioning roller with pin into guide on bracket for ancillaries.
7. Tightening bolt for tensioning roller .
8. Check that end of bolt for tensioning roller protrudes beyond contact surface of tensioning roller as far as dimension (a).
9. Start engine and check that belt runs properly.
10. Install noise insulation 50.

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