C70 Coupe L5-2.3L Turbo VIN 53 B5234T3 (2001)
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Drain the system of refrigerant, according to Refrigerant, overview See: Heating and Air Conditioning/Description and Operation/Refrigerant,
Overview and Emptying/vacuum pumping/filling with refrigerant See: Heating and Air Conditioning/Service and Repair/Emptying/Vacuum
Pumping/Filling With Refrigerant.
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Read Before starting work on the refrigerant circuit.
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Remove control module box fresh air intake hose and exhaust hose.