Removing and installing alternator, vehicles with 1.4 l/110 kW TSI engine — VW

🧭 Before you start

Fits: VW Polo 6C (2014–2017)

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• Refrigerant lines must not be under tension.
• If alternator(1) is stuck in its bracket, screw bolts (arrows) in again except for the last 2 turns.Carefully hit bolt heads with flat side of hammer to release sliding bushes of alternator mounting.
• Ensure that bushes of alternator mounting slide freely and are not to tight (loosen, if necessary); otherwise clamping force of sliding bushes is too low even if specified torque is applied.
• Always start engine and check belt running after completing work.

📋 Procedure

1. Switch off ignition.
2. Disconnect earth wire from battery.
3. Remove noise insulation General body repairs, exterior66Noise insulation; Assembly overview - noise insulation.
4. Remove tensioner for poly V-belt 13Cylinder block (pulley end); Removing and installing tensioner for poly V-belt.
5. ⚠ Risk of damage to air conditioner compressor, refrigerant lines and refrigerant hoses:Make sure refrigerant lines and hoses are not excessively stretched, kinked or bent. — Remove air conditioner compressor from bracket Heating, air conditioning system87Air conditioner compressor; Removing air conditioner compressor from and installing on bracket.

6. Secure air conditioner compressor to body with suitable material (e.g. welding wire). [Note: Refrigerant lines must not be under tension.]
7. If fitted, unscrew nut (6).
8. Lever off cap (4) for 30/B+ cable (3).
9. Unscrew nut.
10. Remove 30/B+ cable (3).
11. Pull off clamp (2).
12. Unscrew bolts (arrows) of alternator(1). [Note: If alternator(1) is stuck in its bracket, screw bolts (arrows) in again except for the last 2 turns.Carefully hit bolt heads with flat side of hammer to release sliding bushes of alternator mounting.]
13. Disconnect electrical connector (5).
14. Remove alternator(1) downwards to the right.
15. To facilitate positioning of alternator, drive bushes of alternator mounting slightly towards rear. [Note: Ensure that bushes of alternator mounting slide freely and are not to tight (loosen, if necessary); otherwise clamping force of sliding bushes is too low even if specified torque is applied.]
16. Reconnect battery.
17. Always start engine and check belt running after completing work.

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