A6 Quattro Sedan V6-3.0L (AVK) (2002)
Evaporator Core: Service and Repair
Refrigerant Lines on Evaporator, Disconnecting and Connecting
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Discharge A/C refrigerant system. See: Service and Repair
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Remove bolt -A-.
Tightening torque: 15 Nm (11 ft. lb)
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Detach refrigerant lines from evaporator.
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Replace O-ring -A- (16.7 mm x 1.8 mm) and O-ring -B- (10.8 mm x 1.8 mm).
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Seal off all open connections (for evaporator, cap -C- from replacement evaporator can be used).
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Install refrigerant lines free of stress.
NOTE: Make sure that grommet -D- is properly seated.