volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Evaporator Case|Service and Repair|Page 8598 > < Discharge Air Temperature Sensor / Switch, HVAC|Description and Operation
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Evaporator Case: Service and Repair

Heater/Evaporator Unit, Disassembly and Assembly

Removing

First do the following:

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Discharge refrigerant system

WARNING:  The cooling system is pressurized when the engine is warm. Wear gloves and other protection and carefully release system
pressure if necessary, before performing repairs.

-

Drain engine coolant

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Disconnect refrigerant lines at condenser/expansion valve

CAUTION:  Immediately plug open connections on A/C components to prevent dirt and moisture contamination.

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Disconnect coolant hoses from heater core

-

Remove instrument panel

-

Loosen instrument panel cross member

-

Remove heater/evaporator unit

1. Heater core

-

Always use new coolant after replacement

2. Housing, upper part

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With fresh/recirculating air flap

3. Evaporator seal

-

Installing See Fig. 1

4. Evaporator
5. Housing, lower part

Evaporator Case|Service and Repair|Page 8598 > < Discharge Air Temperature Sensor / Switch, HVAC|Description and Operation