Removing and installing alternator - vehicles with 1.4 ltr. TFSI engine with cylinder shut-off — 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 and 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 the alternatorC sticks in the bracket, screw the 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 batteryA.
2. Remove tensioner for poly V-belt 13Cylinder block (pulley end); Removing and installing tensioner for 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 and 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 bolt (top) (2).
7. Loosen bolt (1) at bottom and swivel alternatorC(item 3) forwards. [Note: If the alternatorC sticks in the bracket, screw the 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.]
8. Unscrew clamp (3) at alternatorC and move electrical wiring harness clear.
9. If fitted, lever off cap and unscrew electrical wire (1) at alternatorC.
10. Unplug electrical connector (2) on alternatorC.
11. Remove bottom bolt and take out alternatorC downwards.
12. To facilitate positioning of alternatorC, 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 batteryA.
14. Start engine and check that belt runs properly.

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