Auxiliary belt replacement: VW drive without tensioning roller (2E, AAM, ABS, ADY, …)

🧭 Before you start

Fits: platform codes 1H1, 1H2

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• To ensure ease of movement, press alternator down at least 3 times onto stop, using tensioning lever3297.
• If engine is still removed, perform further procedure only after installing engine.
• When tightening the alternator bolts observe the following tightening sequence, do not rest on alternator and do not touch poly V-belt.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Loosen alternator securing bolts (1) and (2) at least one turn.
2. Press alternator down with tensioning lever3297 and remove poly V-belt from alternator belt pulley.
3. Remove V-belt for power steering vane pump Running gear48Assembly overview - vane pump, reservoir, hydraulic lines
4. Remove poly V-belt.
5. Fit poly V-belt on crankshaft pulley/vibration damper and coolant pump pulley.

6. Install V-belt for power steering vane pump Running gear48Assembly overview - vane pump, reservoir, hydraulic lines
7. To ensure ease of movement, press alternator down at least 3 times onto stop, using tensioning lever3297.
8. Press alternator down with tensioning lever3297 and fit poly V-belt. [Note: If engine is still removed, perform further procedure only after installing engine.]
9. Run engine at idling speed for at least 10 seconds, with alternator still loose. [Note: When tightening the alternator bolts observe the following tightening sequence, do not rest on alternator and do not touch poly V-belt.]
10. Tighten securing bolt (2) to 25 Nm. — 25 Nm (18 lb-ft)
11. Tighten securing bolt (1) to 25 Nm. — 25 Nm (18 lb-ft)

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