volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Delivery and Air Induction > < Thermostatic Air Cleaner|Description and Operation
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Thermostatic Air Cleaner: Testing and Inspection

1.

Remove thermostat from control box.

2.

Place thermostat in a pan of cold water.

3.

Raise water temperature to 20°C (68°F). Thermostat should remain open.

4.

Raise water temperature to 34°C (93°F). Thermostat should close.

5.

If thermostat does not operate properly, replace it.

Fuel Delivery and Air Induction > < Thermostatic Air Cleaner|Description and Operation