Filling coolant — VW

🧭 Before you start

• Special tools named: VAS 6096

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• If there was no drain plug, reconnect coolant hose to radiator.
• Slowly fill coolant to upper marking of shaded field on expansion tank.

📋 Procedure

1. Close drain plug (arrow). [Note: If there was no drain plug, reconnect coolant hose to radiator.]
2. Install the lower coolant hose on the coolant pipe (2).
3. Install noise insulation General body repairs, exterior50Body - front; Noise insulation.
4. Fit adapter for expansion tankV.A.G 1274/8 to the expansion tank.
5. Fill coolant circuit using cooling system charging unitVAS 6096manual for cooling system charging unit VAS 6096.

6. Slowly fill coolant to upper marking of shaded field on expansion tank.
7. Fit expansion tank cap.
8. Start engine and maintain an engine speed of about 2000 rpm for about 3 minutes.
9. Run engine until radiator fan V7 cuts in.
10. ⚠ The auxiliary heater may only be switched on if the coolant circuit is filled as described below. — Connect Vehicle diagnosis, testing and information systemVAS 5051 A as follows:
11. Fit the connector of the diagnosis cable (2) to the diagnosis connection in the driver footwell.
12. Start engine and maintain an engine speed of about 2000 rpm for about 3 minutes.
13. Press buttons on display one after the other for "“Vehicle self-diagnosis”", "“18 - Auxiliary heater”" and "“03 - Final control diagnosis”".
14. Press right arrow button on display up to final control diagnosis for heater coolant shut-off valve N279.
15. Initiate final control diagnosis for heater coolant shut-off valve N279. Continue to maintain engine speed to 2000 rpm for approx. 1 minute.
16. Run engine until radiator fan V7 cuts in.
17. ⚠ Steam may escape when expansion tank is opened. Wear eye protection and protective clothing to avoid eye injuries and scalding. Cover cap with cloth and open carefully. — Check coolant level and top-up if necessary. When the engine is at normal operating temperature, the coolant level must be at the upper mark; when the engine is cold, in the middle of the shaded field.

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