Removing and installing alternator, 1.2 l, 51 kW MPI engine — VW

🧭 Before you start

Fits: VW Polo 6R (2009–2014)

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• Ensure that the spacer sleeve on the lower securing bolt is not lost when removing the alternator!

📋 Procedure

1. Disconnect battery .
2. Unfasten connector (1) and disconnect.
3. Pull off protective cap (arrow).
4. Unscrew securing nut behind that and remove battery positive cable from alternator.
5. Remove poly V-belt Power unit13Dismantling and assembling engine; Removing and installing poly V-belt.

6. ⚠ 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 securing bolts of air conditioner compressor (arrows). [Note: When removing air conditioner compressor, watch out for centring sleeves and spacer bushes.The hoses of the air conditioner compressor can remain connected.Suspend the air conditioner compressor (3) using a piece of wire (1) at a suitable position until it is ready to be reinstalled.Ensure that the hoses (2) are not stretched or kinked.]
7. Remove bolt (arrows).
8. Remove bolt (2) and detach idler pulley (1).
9. Remove bolt (arrow) and detach tensioning element (1).
10. Remove both securing bolts (arrows) for alternator. [Note: Ensure that the spacer sleeve on the lower securing bolt is not lost when removing the alternator!]
11. Remove alternator from 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! — Drive threaded sleeves (A) roughly 4 mm in direction of (arrow) out of alternator housing.
13. Insert spacer bush of lower alternator securing bolt.
14. Tighten all threaded connections to specified torque .
15. Connect battery .
16. Start engine and check belt running.

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