V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
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Accumulator HVAC: Description and Operation
Heater/Evaporator Assembly
The A/C Refrigerant Accumulator acts as a storage device for liquid refrigerant after it passes through the evaporator. The Accumulator separates the
liquid and vapor refrigerant. It contains a desiccant (drying agent) to absorb small amounts of moisture.