Removing and installing alternator - vehicles with 1.8 ltr. / 2.0 ltr. TFSI engine — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Timing position: the crankshaft or camshaft is set and locked during this job

Don't miss

• Disregard (item 2).
• When installing poly V-belt, make sure it is properly seated on pulleys.

📋 Procedure

1. With ignition switched off, disconnect earth cable at battery .
2. Press release tab and detach vacuum line (1) for activated charcoal filter. [Note: Disregard (item 2).]
3. Detach vacuum hose from coolant pipe.
4. Lift off release tab (1)(arrow A) and pull activated charcoal filter (2) (with hose connected) out of bracket (arrow B).
5. Place activated charcoal filter to one side.

6. ⚠ Risk of breakage if the poly V-belt runs in the opposite direction when refitted.Before removing, mark direction of operation of poly V-belt with chalk or felt-tipped pen in preparation for re-installation. — To slacken poly V-belt turn tensioner clockwise (arrow).
7. Secure tensioner with locking pin T10060 A.
8. Take off poly V-belt.
9. Unplug electrical connector (1) at oil pressure switch F1.
10. Unscrew bolts (arrows) and remove alternator (4) from bracket for ancillaries.
11. Swivel alternator towards right side of vehicle with electrical wiring still connected.
12. Unplug electrical connector (1).
13. Pry off protective cap (2) and unscrew terminal 30/B+ (item 3) at alternator.
14. Lift out alternator.
15. Fit poly V-belt on pulleys (on alternator pulley as final step).
16. Use ring spanner to hold tensioner and pull out locking pin T10060 A.
17. Release pressure from tensioner. [Note: When installing poly V-belt, make sure it is properly seated on pulleys.]
18. Connect battery. Steps required .
19. Start engine and check that belt runs properly.

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