Removing and installing alternator, vehicles with 1.4 l/90 kW TSI engine — VW

🧭 Before you start

Fits: platform code 138

Don't miss

• If the alternatorC is stuck in its bracket, screw in bolts 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. With ignition switched off, disconnect earth cable from batteryA.
2. Unscrew upper securing bolt (arrow) on alternatorC.
3. Remove poly V-belt 13Cylinder block on pulley side; Removing and installing poly V-belt.
4. ⚠ 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.
5. Secure air conditioner compressor to lock carrier so that refrigerant lines are not under tension.

6. Unscrew nut (2), and remove retainer.
7. Pry off cap (1).
8. Release connector (1) and disconnect.
9. Unscrew nut (2), and remove battery positive wire from alternatorC.
10. Unscrew lower securing bolt (arrow) on alternatorC. [Note: If the alternatorC is stuck in its bracket, screw in bolts again except for the last 2 turns.Carefully hit bolt heads with flat side of hammer to release sliding bushes of alternator mounting.]
11. Remove alternatorC downwards from vehicle.
12. To facilitate positioning of alternatorC, slide bushes of alternator mounting slightly towards back. [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.]
13. Secure retainer (arrow) on alternatorC in 9 o'clock position as shown in illustration.
14. Reconnect batteryA.
15. Always start engine and check belt running after completing work.

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