Work sequence

Fig 1: Locating Coolant Hose Retaining Clip

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• Install lower coolant hose and secure with retaining clamp - arrow  -.

Fig 2: Locating Coolant Hoses At Oil Cooler

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• Slide coolant hoses onto oil cooler unions - arrows  - and secure with spring-type clamps.
• Install center insulation tray: → 50 BODY, FRONT

Without using coolant system charging unit VAS 6096 

Fig 3: Identifying Expansion Tank

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• Fill coolant slowly up to top mark of hatched field on expansion tank.

Using coolant system charging unit VAS 6096 

• Screw adapter VAG 1274/8 onto expansion tank.
• Fill coolant system using coolant system charging unit VAS 6096 : → Electrical Wiring Diagrams, Troubleshooting and Component Locations

With and without coolant system charging unit VAS 6096 

• Seal expansion tank.
• Switch off heater and air conditioner.
• Start engine and maintain an engine speed of about 2000 rpm for approx. 3 minutes.
• Allow engine to run at idling speed until lower hose on radiator becomes hot.

• Switch ignition off.

Fig 4: Identifying Expansion Tank

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• Check coolant level and top up coolant if necessary: At normal engine operating temperature coolant level must reach top mark of hatched field. When engine is cold coolant level should be around middle of hatched field.