Removing and installing poly V-belt pulley on alternator — AUDI

🧭 Before you start

Fits: platform codes S1, 2H

• Special tools named: torque wrench

Don't miss

• Counterhold multipoint adapter3400(1) using ring spanner (AF 17 mm).

🔩 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. Switch off ignition and all electrical loads, and pull out ignition key.
2. Remove alternator .
3. Clamp alternator in a vice.
4. Remove deflector cap from belt pulley.
5. Screw multipoint adapter3400(1) into belt pulley of alternator (2) using a ring spanner (AF 17 mm).

6. Then insert multipoint bit M10(3) in alternator shaft.
7. Unscrew threaded connection whilst counterholding with ring spanner.
8. Hold pulley stationary by hand and turn alternator input shaft until pulley can be removed.
9. First screw belt pulley on drive shaft of alternator by hand onto stop.
10. Release socket drive (1) and pull off grip (2).
11. Turn torque wrench grip (2) 180° and reinsert socket drive.
12. Set turning direction of torque wrench to anti-clockwise at socket drive.
13. Counterhold multipoint adapter3400(1) using ring spanner (AF 17 mm).
14. Tighten belt pulley to 80 Nm by turning drive shaft of alternator anticlockwise using torque wrench (2). — 80 Nm (59 lb-ft)
15. Clip deflector cap in place on belt pulley.
16. Install alternator .

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