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Home >> Subaru >> 1984 >> Hatchback 2WD F4-1595cc 1.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Service and Repair >> Flush System
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Flush System

It is not necessarily mandatory to flush an A/C system if a component has been replaced due to failure. Due to refrigerant recovery requirements, products previously used for flushing cannot be utilized. Under no circumstances should CFC's or methylchloroform be used for flushing.

An alternative to flushing is installation of an in-line filter ahead of expansion valve or orifice tube. Filters for this purpose will efficiently trap particles that may clog components and are large enough to provide long service life.