Removing and installing alternator - vehicles with 1.2 ltr. TFSI engine — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

Don't miss

• 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 refrigerant hoses connected.
• If alternator sticks in bracket, screw bolt 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. With ignition switched off, disconnect earth cable at battery .
2. Remove idler roller for poly V-belt 13.
3. Unplug connector (1) for magnetic clutch at air conditioner compressor.
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 refrigerant hoses connected.

6. Pull electrical wiring (2) out of bracket (3) and electrical wiring harness (1) out of bracket (4).
7. Remove bolt (1) and slacken off bolt (2).
8. Swivel alternator (3) upwards.
9. Unplug electrical connector (2).
10. Pry off cap and unscrew electrical wiring (3) at alternator.
11. Unscrew clamp (4) at alternator and move electrical wiring harness (1) clear.
12. Remove bolt (2) and detach alternator (3). [Note: If alternator sticks in bracket, screw bolt 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.]
13. 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.]
14. Install air conditioner compressor 87.
15. Install idler roller for poly V-belt 13.
16. Connect battery. Steps required .
17. Start engine and check that belt runs properly.

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