Removing and installing alternator - vehicles with 5.2 ltr. FSI engine — AUDI

🧭 Before you start

Fits: platform code 42

• Opens: coolant
• Renewed: o-rings

Don't miss

• Fitting location is shown with engine removed for illustration purposes.
• If alternator sticks in bracket, apply a 1/2 inch socket (19 mm) (item 1) at sliding bush.Screw a bolt (M8x45) into sliding bush and then slightly pull bush out of alternator by screwing in securing bolt (2).
• Make sure poly V-belt is properly seated and correctly routed.

📋 Procedure

1. With ignition switched off, disconnect earth cable at battery .
2. Detach poly V-belt from alternator pulley 13.
3. Drain coolant from engine 19.
4. Unplug electrical connector (5).
5. Detach protective cap (1) and unscrew nut.

6. Detach B+ wire.
7. Unscrew bolt (4) and detach retainer (3).
8. Disconnect coolant lines (2) at alternator. [Note: Fitting location is shown with engine removed for illustration purposes.]
9. Unscrew bolts (arrows). [Note: If alternator sticks in bracket, apply a 1/2 inch socket (19 mm) (item 1) at sliding bush.Screw a bolt (M8x45) into sliding bush and then slightly pull bush out of alternator by screwing in securing bolt (2).]
10. Remove alternator. [Note: Renew O-rings.Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.You must ensure that the bushes slide freely, as the clamping pressure of a stiff bush will be insufficient even when the correct tightening torque is applied.]
11. To facilitate positioning of alternator, drive back bushes for securing bolts slightly.
12. Install poly V-belt 13.
13. Make sure poly V-belt is properly seated and correctly routed.
14. Connect battery. Steps required .
15. Fill with coolant 19.
16. Start engine and check that belt runs properly.

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