Removing and installing poly V-belt pulley with freewheel from alternator, 4.9 l TDI engine — VW

🧭 Before you start

Fits: VW Phaeton (3D)

• Special tools named: torque wrench, 17 mm ring spanner

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• The thread on the alternator shaft is left-handed. To loosen the connection turn clockwise and to tighten it turn anti-clockwise.
• Loosen threaded connection by turning clockwise. Counterhold with ring spanner when doing this.
• Counterhold adapter3400(1) using 17 mm ring spanner and tighten poly V-belt pulley with freewheel by turning alternator shaft anti-clockwise using torque wrench (2).

📋 Procedure

1. Remove alternator .
2. Clamp alternator on bracket points in bench vice. [Note: The thread on the alternator shaft is left-handed. To loosen the connection turn clockwise and to tighten it turn anti-clockwise.]
3. Loosen threaded connection by turning clockwise. Counterhold with ring spanner when doing this.
4. Hold poly V-belt pulley with freewheel by hand. Turn drive shaft of alternator until poly V-belt pulley with freewheel can be removed.
5. First screw poly V-belt pulley with freewheel on drive shaft of three-phase alternator by hand as far as limit stop.

6. Release socket drive (1) and pull off grip (2).
7. Turn torque wrench grip (2) 180° and reinsert socket drive.
8. Set turning direction of torque wrench to anti-clockwise at socket drive.
9. Counterhold adapter3400(1) using 17 mm ring spanner and tighten poly V-belt pulley with freewheel by turning alternator shaft anti-clockwise using torque wrench (2).
10. Tighten threaded connections to torques specified in assembly overviews:

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