Removing and installing alternator, 1.9 l 47 kW SDI engine — 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. Lift off engine cover (arrows) and remove from vehicle.
3. Remove noise insulation General body repairs, exterior50Body - front; Assembly overview - noise insulation (diesel engine).
4. Separate DF wire connector (1) and pull off protective cap (2).
5. Unscrew B+ wire (arrow) from alternator.

6. ⚠ 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 open-ended wrench to swivel tensioning element in direction of arrow until it can be locked with locking pin T10060A.
7. Remove poly V-belt.
8. Use ring spanner to swivel tensioning element in direction of arrow until it can be locked with locking pin T10060A.
9. Remove poly V-belt.
10. Remove alternator securing bolts (arrows).
11. Remove wire holder (arrow) from back of alternator.
12. Remove alternator from 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. Tighten cable retainer (arrow) to rear of alternator in 9 o'clock position.
15. Tighten all threaded connections to the specified torques .
16. Reconnect battery .
17. Start engine and check belt is running correctly.

Other VW procedures

• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures
• Removing and installing toothed belt guard – VW CSCA
• Removing and installing hinge – VW Passat CC / CC · 1 torque figures
• Removing and installing expansion valve, Golf and Golf Estate
• Removing automatic distance control unit from and installing on retaining plate, variant 1
• Removing and installing seat occupied recognition sensor – VW