A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
Expansion Block/Orifice Tube: Service and Repair
Restrictor, Removing and Installing
A/C Refrigerant System (R-134a) Major Components, Servicing
Restrictor, Removing and Installing
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Discharge refrigerant system.
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Loosen and separate coupling -A- on evaporator inlet line.
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Remove restrictor -B- from coupling using long nose pliers.
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Install in reverse order of removal.
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Replace O-ring -D-, 7.5 mm inside diameter, 1.5 mm thickness.
NOTE:
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Ensure proper positioning of restrictor O-ring -C-.
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Insert restrictor -B- with arrow pointing towards evaporator.
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Restrictor must fit tight in inlet (push restrictor into inlet as far as it will go).
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Assemble to allow stress free mounting of evaporator inlet lines.
CAUTION!
Immediately plug open connections on A/C components and lines to prevent dirt and moisture contamination.