Removing and installing alternator, 1.8 l TSI engine: VW Passat B6

🧭 Before you start

Fits: VW Passat B6 (3C, 2005–2010)

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• When batteries are disconnected and reconnected, the procedure described in the workshop manual must be strictly observed . — Disconnect battery .
• Pipework and hose can remain connected.

📋 Procedure

1. ⚠ When batteries are disconnected and reconnected, the procedure described in the workshop manual must be strictly observed . — Disconnect battery .
2. ⚠ Before removing, mark the top side and direction of rotation of the poly V-belt. When installing, ensure correct fitting position and direction of rotation. If the belt is installed in the wrong position or against direction of rotation, the belt will be destroyed! — Remove poly V-belt Power unit13Dismantling and assembling engine.
3. Release and disconnect connector (2).
4. Unscrew oil pressure switch (1) (24 mm).
5. Remove securing bolts (arrows) of alternator.

6. Swing alternator slightly to the left to gain access to connections on generator side.
7. Release and disconnect connector of DF cable (1).
8. Lever off protective cap (1).
9. Remove securing nut (2) and remove the B+ cable (1), located beneath, from the connector thread of the alternator.
10. Remove both securing bolts (arrows) and put pipework and hose (1) up to make room for removing generator. [Note: Pipework and hose can remain connected.]
11. Lift alternator out of vehicle.
12. ⚠ When installing used poly V-belts observe the direction of rotation marked on removal!Before installing poly V-belt, ensure that all ancillaries (alternator, air conditioner compressor) are secure.When fitting belt, ensure that poly V-belt seats correctly in pulleys! — Tighten threaded connections to torques specified in assembly overview .

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