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volkswagen Workshop Repair Guides

Volkswagen Workshop Manuals

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Coolant Line/Hose: Diagrams

Coolant Hose Connection Diagram

1 - Expansion tank

2 - Non-return valve

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Note installation position

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Arrow on the check valve points in direction of flow

3 - Non-return valve

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Integrated in coolant hose, not visible from outside

4 - Heater unit heat exchanger

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Replace coolant after replacing

5 - Engine Coolant (EC) Switch-Off Valve (heater) N279

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Only vehicles with optional equipment

6 - Coolant thermostat housing

7 - Transmission oil cooler

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Only vehicles equipped with DSG

8 - Lower coolant hose

9 - Upper coolant hose

10 - Radiator

11 - Oil cooler

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For engine oil

Maintenance > Hoses > Coolant Line/Hose > Component Information > Diagrams

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