A4 V6-3.0L (AVK) (2004)
Hose/Line HVAC: Service and Repair
Refrigerant Lines on Evaporator Flange, Removing and Installing
Refrigerant Lines On Evaporator Flange, Removing And Installing
Disconnecting
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Remove plenum cover.
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Discharge A/C refrigerant system
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Remove nuts -A- (tightening torque 25 Nm).
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Detach refrigerant lines from evaporator and seal off all open connections.
NOTE: To seal off all open connections on evaporator -D-, sealing caps from a replacement evaporator can be used (avoid dirt and moisture from
entering the system).
Connecting
Installation is reverse of removal, noting the following:
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Replace O-Ring-seals -B- (16.7 mm x 2.4 mm) and -C- (10.8 mm x 1.8 mm).
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Install refrigerant lines free of stress.
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After tightening refrigerant lines make sure that grommet -E- and line grommet -F- is properly installed.
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Check position of refrigerant lines to evaporator, they should not come in contact with other components.