Removing and installing alternator, 1.4 and 1.6 l FSI engine — VW

🧭 Before you start

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

📋 Procedure

1. Disconnect battery (see the separate procedure).
2. Remove upper alternator securing bolt (arrow).
3. Remove noise insulation General body repairs, exterior50 Noise insulation.
4. Unscrew wiring retainer (2) and pull off protective cap (1).
5. Disconnect DF connector (1) and unscrew battery positive wire (2) from alternator.

6. ⚠ 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! — Mark direction of rotation of poly V-belt.
7. Release poly V-belt tension by levering back tensioning element in direction of arrow using a 16 mm open-jaw spanner
8. Lock tensioning element using locking pin T10060 A.
9. Remove poly V-belt.
10. Remove air conditioning compressor Heating, ventilation, air conditioning system 87. Repairs on refrigerant circuit that may only be performed in workshops by trained technicians (service support workshops for air conditioning systems); Removing and installing compressor.
11. Remove lower alternator securing bolt (arrow).
12. Remove alternator from vehicle downwards.
13. ⚠ When installing used poly V-belts observe the direction of rotation marked on removal!Before installing poly V-belt, ensure that all assemblies (alternator, air conditioner compressor, vane pump) are installed correctly. 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 at 9 o'clock position.
15. Tighten threaded connections to specified torques (value given in the factory table, not available here).
16. 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
• Checking transistorized ignition system with Hall sender switch unit N41
• Repairing front suspension
• Removing and installing parts of the injection system
• Removing and installing gearbox; 1.6 l - 77 kW engine – VW
• Servicing K-Jetronic injection system