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

🧭 Before you start

Fits: Audi Q3 (8U, 2011–2018); platform code 84

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• 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 tensioner for poly V-belt 13Cylinder block (pulley end); Removing and installing tensioner for poly V-belt.
3. Pull activated charcoal filter solenoid valve 1N80(item 2) off intake manifold and push it to one side slightly.
4. Release hose clip (1), but leave coolant hose connected.
5. To prevent damage to paintwork, protect longitudinal member (right-side) in vicinity of alternator with adhesive tape.

6. Remove bolts (1, 2).
7. Swivel alternator (3) forwards (arrow). [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.]
8. Remove alternator (1) from mounting with electrical wiring still connected.
9. Pry off cap (2).
10. Unscrew nut and remove terminal 30/B+ (item 4).
11. Unplug electrical connector (3).
12. If fitted, remove stud.
13. Take out alternator (1) as shown in illustration (arrow).
14. 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.]
15. Connect battery. Steps required .
16. Start engine and check that belt runs properly.

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