Removing and installing alternator with voltage regulatorCX1, 1.6 l TDI engine, 77 kW — VW

🧭 Before you start

Fits: VW Passat B7 saloon (362, 2010–2014), VW Passat B7 Variant (365, 2010–2014)

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

📋 Procedure

1. ⚠ When batteries are disconnected and reconnected, the procedure described in the workshop manual must be strictly observed . — Disconnect battery .
2. Pull engine cover panel off upwards (arrows).
3. Move lock carrier to service position General body repairs, exterior50Lock carrier; Service position.
4. ⚠ Prior to removal, mark top side and direction of rotation of 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-belts 13Cylinder block on pulley side; Removing and installing poly V-belts.
5. Release connector (1) and disconnect.

6. Unscrew securing bolts (arrows) of air conditioner compressor. [Note: The hoses of the air conditioner compressor can remain connected.Suspend the air conditioner compressor using a piece of wire at a suitable position until it is ready to be reinstalled.Ensure that the hoses are not stretched or kinked.]
7. Unlock and separate connector of DF cable (1).
8. Lever off protective cap (2).
9. Undo nut (1) and detach the B+ wire under it from the connecting thread of the alternator.
10. Undo nuts (3) and remove cable retainer (2) from alternator.
11. Remove both securing bolts (1).
12. Unscrew securing nut (2) and lay fuel filter (3) to side. The fuel hoses can then remain connected.
13. Undo and remove the two bolts (arrows) securing the alternator.
14. Remove alternator by taking it upwards out of the vehicle.
15. ⚠ When installing used poly V-belts observe the direction of rotation marked on removal!Before installing poly V-belt, make sure that all ancillaries (alternator, air conditioner compressor) are firmly secured.When fitting belt, ensure that poly V-belt seats correctly in pulleys! — Drive threaded sleeve (A) about 4 mm in direction of arrow out of alternator housing.
16. Secure wiring retainer (arrow) on back of alternator in 3 o'clock position.
17. Tighten threaded connections to specified torque given in assembly overview .
18. ⚠ To disconnect and reconnect the battery, the procedure described in the workshop manual should be strictly adhered to . — Connecting battery .
19. Start engine and check belt running.

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