Removing and installing poly V-belt - Jetta up to MY 2010 and Golf Variant — VW

🧭 Before you start

Fits: VW Golf V / Jetta (1K, 2003–2009); platform code AJ5

• Timing position: the crankshaft or camshaft is set and locked during this job
• Special tools named: 15 mm ring spanner

Don't miss

• Swivel tensioning element (2) using 15 mm ring spanner (A) in (direction of rotation) and hold using locking pin T10060A.
• When installing poly V-belts, check direction of rotation and proper seating of belts in belt pulleys.

🔧 Engine codes this applies to

📋 Procedure

1. Remove noise insulation General body repairs, exterior50Noise insulation
2. Remove front right wheel housing liner, front part General body repairs, exterior66Wheel housing liners.
3. ⚠ 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-tipped pen for re-installation. — Swivel tensioning element (1), as shown, using 15 mm ring spanner (A) in (direction of rotation) and hold using locking pin T10060A.
4. Remove poly V-belt for air conditioner compressor.
5. ⚠ 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-tipped pen for re-installation. — Relieve tension in tensioning element (1) for air conditioner compressor poly V-belt (pull out locking pin T10060A).

6. Insert locking pin T10060A in tensioning element (2).
7. Swivel tensioning element (2) using 15 mm ring spanner (A) in (direction of rotation) and hold using locking pin T10060A.
8. Remove poly V-belt for alternator and coolant pump.
9. Place poly V-belt for alternator and coolant pump around belt pulleys, finishing on idler roller (3).
10. Before tensioning poly V-belt for alternator and coolant pump, turn compressor pulley and check correct seat of poly V-belt in belt pulleys.
11. Before installing poly V-belt for air conditioner compressor, lock tensioning device using locking pin T10060A. [Note: When installing poly V-belts, check direction of rotation and proper seating of belts in belt pulleys.]
12. Start engine and check that belt runs properly.

🎬 Video walkthrough

Independent video tutorial by AUTODOC (YouTube) — a helpful visual companion to the steps above.

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