Removing and installing decoupled pulley with freewheel‏ — VW

🧭 Before you start

Fits: platform code 138

• Special tools named: torque wrench

🔩 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. ⚠ Depending on the type of the decoupled pulley with freewheel installed, the length of the poly V-belt may vary.Please check which type of the decoupled pulley with freewheel is installed in order to ensure installation of the correct poly V-belt. For proper allocation of the poly V-belt, refer to the the parts catalogue. — Remove alternator .
2. Clamp alternator in a vice at securing points.
3. Remove protective cap (where present) from decoupled pulley with freewheel.
4. Insert multipoint adapter T10474 or multipoint adapter3400(1) into pulley, and fit a ring spanner.
5. Insert suitable tool (2) into alternator shaft.

6. Turn alternator shaft clockwise to loosen it, counterholding with ring spanner while doing so.
7. Hold decoupled pulley with freewheel stationary with your hand, and turn alternator shaft until decoupled pulley with freewheel can be removed.
8. Release socket drive (1) and pull off grip (2).
9. Turn torque wrench grip (2) 180° and reinsert socket drive.
10. Set turning direction of torque wrench to anti-clockwise at socket drive.
11. First screw poly V-belt pulley with freewheel onto alternator shaft by hand as far as possible.
12. Insert multipoint adapter T10474 or multipoint adapter3400(1) into decoupler pulley with freewheel, and fit a ring spanner.
13. Insert suitable tool (2) into alternator shaft.
14. Turn alternator shaft anti-clockwise using torque wrenchV.A.G 1332(3) in order to tighten decoupled pulley with freewheel.
15. Tighten bolted connection to 80 Nm. — 80 Nm (59 lb-ft)

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