Removing and installing alternator, 1.4 l 51 kW TDI engine with air conditioning system — VW

🧭 Before you start

Fits: VW Polo 9N (2001–2009)

• Timing position: the crankshaft or camshaft is set and locked during this job

📋 Procedure

1. Disconnect battery .
2. Remove engine oil dipstick (1).
3. Lift engine cover upwards at fasteners (arrows) and remove cover from vehicle.
4. Separate DF wire connector (1) and pull off protective cap (2).
5. Unscrew B+ wire (arrow) from alternator.

6. Remove noise insulation General body repairs, exterior50Body - front; Noise insulation.
7. ⚠ Before removing, mark the top side and direction of rotation of the poly V-belt. When fitting, pay attention to correct direction and installation position. If the belt is installed in the wrong position or against direction of rotation, the belt will be destroyed! — Use ring spanner to swivel tensioning element in direction of arrow until it can be locked with locking pin T10060A.
8. Lock tensioning element using locking pin T10060A.
9. Remove poly V-belt.
10. Remove alternator securing bolts (arrows).
11. Remove wire holder (arrow) from back of alternator.
12. Lift alternator out of vehicle.
13. ⚠ When installing used poly V-belts observe the direction of rotation marked on removal!Before installing poly V-belt, make sure all assemblies (alternator, air conditioner compressor) are firmly in position.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.
14. Fit cable retainer (arrow) on back of alternator in 4 o'clock position and secure.
15. Tighten all threaded connections to the specified torques .
16. Reconnect battery .
17. Start engine and check belt is running correctly.

Other VW procedures

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• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
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• Checking oil pressure and oil pressure switch, engine codes CCTA, CBFA
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• Removing and installing secondary air pump motor V101