S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Hose/Line HVAC: Service and Repair
Nippondenso Compressor Refrigerant Lines, Remove and Install
Nippondenso Compressor Refrigerant Lines, Removing and Installing
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Discharge refrigerant system.
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Remove screws -A- and -B-.
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Tightening torque 25 Nm (18 ft lb).
NOTE:
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Note orientation of refrigerant lines; illustration shows Nippondenso compressor on Audi A8.
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Replace O-rings -C- and -D-.
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O-ring -C-: 23.8 mm inside diameter, 2.4 mm thickness
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O-ring -D-: 11.1 mm inside diameter, 1.8 mm thickness
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Plug all open connections to prevent moisture and dirt contamination.
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Install in reverse order of removal.
CAUTION!
Immediately plug open connections on A/C components and lines to prevent dirt and moisture contamination.