Removing and installing alternator - vehicles with 2.0 ltr. TDI engine with SCR catalytic converter (PR number TD1) — AUDI

🧭 Before you start

Fits: Audi A4 B8 (8K, 2007–2015)

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• 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 tensioner for poly V-belt 13Cylinder block (pulley end); Removing and installing tensioner for poly V-belt.
3. Remove bolts (arrows).
4. Detach coolant expansion tank and place to one side with coolant hoses (1, 2, 3) still attached.
5. Unplug electrical connector (4).

6. Unplug electrical connector (3).
7. Remove bolt (1).
8. Detach connector (2) with bracket from air conditioner compressor and place to one side.
9. Remove bolts (arrows).
10. Swivel alternator (1) to one side.
11. Unscrew nut (2) and detach terminal 30/B+ (item 1).
12. Unplug electrical connector (3).
13. Remove alternator (1) between coolant pipe (2) and coolant hoses (3), as shown in illustration.
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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