Vehicles with 1.8 l turbo engine as of 06.2000 — AUDI

🧭 Before you start

Fits: Audi A6 C5 (4B)

Don't miss

• Prior to removal, mark direction of poly V-belt with chalk or a felt-tip pen. Running a used poly V-belt in the opposite direction could destroy it.
• The lock carrier does not have to be moved to service position.
• If alternator sticks in holder, 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 mount.
• Stiff alternator mount bushes must be released as otherwise the clamping force of the bush will not be adequate even if tightened to correct torque.
• Make sure poly V-belt is properly positioned and correctly routed.

📋 Procedure

1. With ignition switched off, disconnect earth wire at battery .
2. Unscrew coolant expansion tank (arrow).
3. Disconnect wire to coolant shortage indicator switch F66 at bottom of expansion tank and lay aside coolant expansion tank (2) with coolant hoses (1) and (3) connected.
4. Detach air hose (1) from charge air cooler at throttle valve housing. [Note: Prior to removal, mark direction of poly V-belt with chalk or a felt-tip pen. Running a used poly V-belt in the opposite direction could destroy it.]
5. To slacken off poly V-belt, swivel belt tensioner in (direction of arrow).

6. Detach poly V-belt from alternator pulley.
7. Release tensioner. [Note: The lock carrier does not have to be moved to service position.]
8. Secure pulley for viscous fan with pin punch (1) and unscrew using Allen key (2).
9. Detach viscous fan and set it down in radiator cowl.
10. Unscrew wire (2) for terminal 30/B+ at alternator.
11. Unscrew terminal D+ (Item 1).
12. Disengage wiring harness from cable tie (arrow).
13. Screw out bolts (arrows) and detach alternator. [Note: If alternator sticks in holder, 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 mount.] [Note: The hose connections and hoses for the charge air system must be free of oil and grease before assembly.Secure all hose connections with standard clamps Parts catalogue.]
14. To facilitate positioning of alternator, drive back bushings for securing bolts slightly. [Note: Stiff alternator mount bushes must be released as otherwise the clamping force of the bush will not be adequate even if tightened to correct torque.]
15. Make sure poly V-belt is properly positioned and correctly routed.
16. Connect battery. Action to be taken .
17. Start engine and check belt routing.

Other AUDI procedures

• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Adjusting Bowden cables for front lid lock – Audi R8
• Checking door frame adjustment – Audi A4 B9
• Removing and installing gearbox mounting - vehicles with dual clutch gearbox
• Removing and installing catalytic converter, vehicles from model year 2013 onwards
• Removing and installing brake master cylinder, Audi A1