90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
Expansion Block/Orifice Tube: Service and Repair
A/C Refrigerant Restrictor
REMOVAL
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Discharge refrigerant system.
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Remove A/C refrigerant line connection to evaporator.
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Pull restrictor from evaporator with needle nose pliers.
INSTALLATION
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Install restrictor with new O-ring.
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Install A/C refrigerant line connection to evaporator.
A/C Refrigerant Lines To Evaporator
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Be sure there is no tension on refrigerant lines before tightening.
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Torque refrigerant lines to 16 Nm (12.0 ft lb).
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Recharge refrigerant system.