Removing and installing alternator, vehicles with diesel engine — VW

🧭 Before you start

Fits: VW Jetta VI (16, 2010–2018)

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• If the alternatorC is stuck in its bracket, screw in bolts (arrows) 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. Remove poly V-belt 13Cylinder block on pulley side; Removing and installing poly V-belt.
3. If the tensioning device covers the lower securing bolt for alternatorC, remove tensioning device for poly V-belt 13Cylinder block, belt pulley end; Removing and installing tensioning device for poly V-belt.
4. Remove radiator cowl 19Radiator/radiator fan; Removing and installing radiator cowl with radiator fan.
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 (3) with refrigerant lines (2) connected from bracket Heating, air conditioning87Air conditioner compressor; Removing and installing air conditioner compressor.

6. Use a piece of wire (1) to suspend air conditioner compressor (3) at a suitable position under the vehicle.
7. Release and disconnect connector (DF wire) (1) on alternatorC.
8. Pry off cap (2).
9. Unscrew nut (1) and remove terminal 30/B+.
10. Unscrew nut (3) and pull off clamp (2).
11. Remove bolts (arrows). [Note: If the alternatorC is stuck in its bracket, screw in bolts (arrows) again except for the last 2 turns.Carefully hit bolt heads with flat side of hammer to release sliding bushes of alternator mounting.]
12. Remove alternatorC(2) downwards to the right.
13. 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.]
14. Secure wiring retainer (arrow) on back of alternatorC in 3 o'clock position.
15. Reconnect batteryA.
16. Always start engine and check belt running after completing work.

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