Draining active tank for reducing agent — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016), Audi A5 Cabriolet (8F), Audi A4 B8 (8K, 2007–2015)

Don't miss

• Disregard (item 1).
• Hold a clean cloth under the separating point to catch escaping reducing agent.

🔧 Engine codes this applies to

📋 Procedure

1. Open tank flap.
2. Unscrew filler cap (2) from filler neck for reducing agent. [Note: Disregard (item 1).]
3. Remove bolt and nuts (arrows) and detach cover for active tank.
4. ⚠ Reducing agent can cause skin irritation.Avoid contact with the skin and eyes. Wear gloves and safety goggles.If your skin has come into contact with reducing agent, rinse it off with soap and water.If reducing agent gets into your eyes, rinse them out with water for several minutes.Do not breathe in or swallow reducing agent.If you have swallowed reducing agent, rinse your mouth, drink lots of water and consult a paramedic or doctor immediately. — Place drip tray underneath. [Note: Hold a clean cloth under the separating point to catch escaping reducing agent.]
5. Press release catches and disconnect return line (1) at reservoir.

6. Attach auxiliary hose (2) to connection (arrow) on reservoir and drain off reducing agent into drip tray.
7. Remove sealing cap (1) on reducing agent tank.
8. Attach auxiliary hose (2) to connection and drain off reducing agent into drip tray.
9. Seal off open pipes/lines and connections with clean plugs from engine bung setVAS 6122.
10. Adapt learnt value after draining reducing agent or renewing components .

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
• Exploded view: Pipes and hoses (vehicles with V6 TDI engine) · 3 torque figures
• Performing basic setting · 1 torque figures
• Finish balancer · 3 torque figures
• Audi Vehicles with 4-cyl. auxiliary belt replacement · 2 torque figures
• Audi Vehicles with 1.8 l, 2.0 l auxiliary belt replacement · 2 torque figures