Removing and installing alternator - vehicles with 1.4 ltr. TFSI engine with supercharger — AUDI

🧭 Before you start

Fits: Audi A1 (8X, 2010–2018)

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• Risk of injury due to refrigerant.Do not open refrigerant circuit of air conditioner. — Remove bolts (arrows) for air conditioner compressor.
• Risk of damage to refrigerant lines/hoses.Take care to avoid straining, kinking or bending refrigerant lines/hoses. — Tie up air conditioner compressor to longitudinal member with pipe/hose assembly connected.
• If alternator sticks in bracket, screw bolts back in again down to the last 2 turns.Tap carefully on bolt heads with flat side of hammer to release bushes of alternator mountings.
• Stiff alternator mount bushes must be freed; otherwise the clamping force of the bush will not be adequate even when the bolts are tightened to the correct torque.

📋 Procedure

1. Disconnect earth cable from battery with ignition switched off .
2. Remove poly V-belt 13Cylinder block (pulley end); Removing and installing poly V-belt.
3. Unplug electrical connector (1) for air conditioner compressor regulating valve N280.
4. ⚠ Risk of injury due to refrigerant.Do not open refrigerant circuit of air conditioner. — Remove bolts (arrows) for air conditioner compressor.
5. ⚠ Risk of damage to refrigerant lines/hoses.Take care to avoid straining, kinking or bending refrigerant lines/hoses. — Tie up air conditioner compressor to longitudinal member with pipe/hose assembly connected.

6. Remove bolts (arrows).
7. Detach poly V-belt tensioner.
8. Unplug electrical connector (2).
9. Unscrew electrical wiring (1) from alternator.
10. Unscrew clamp (3) from alternator and move electrical wiring harness clear.
11. Remove bolts (arrows) and detach alternator. [Note: If alternator sticks in bracket, screw bolts back in again down to the last 2 turns.Tap carefully on bolt heads with flat side of hammer to release bushes of alternator mountings.]
12. To facilitate positioning of alternator, drive back bushes for securing bolts slightly. [Note: Stiff alternator mount bushes must be freed; otherwise the clamping force of the bush will not be adequate even when the bolts are tightened to the correct torque.]
13. Connect battery. Steps required .
14. Start engine and check that belt runs properly.

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