A6 Quattro Sedan V6-3.2L (BKH) (2005)
Hose/Line HVAC: Service and Repair
Refrigerant Lines From Reservoir to Compressor
Refrigerant Lines from Reservoir to Compressor
Removing
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Drain the refrigerant circuit.
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Remove the front bumper.
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Disconnect refrigerant line from the compressor to the connector at the reservoir => [ Reservoir ] See: Heating and Air Conditioning/Receiver
Dryer/Service and Repair.
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Remove the refrigerant line from the compressor (different workflows depending on the engine) => [ Refrigerant Lines, Disconnecting and
Connecting at Compressor ] See: Heating and Air Conditioning/Description and Operation/Refrigerant Lines, Disconnecting and Connecting at
Compressor
Installing
Installation is carried out in the reverse order, when doing this note the following:
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Coat O-ring seals lightly with refrigerant oil before installing => [ Refrigerant Circuit O-Ring Seals ] See: Heating and Air Conditioning/Service
and Repair/Removal and Replacement/Refrigerant Circuit O-Ring Seals.
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Following attachment, check routing of refrigerant pipes. They must be inserted in holders provided and not make contact with other components.
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Evacuate and refrigerant circuit after assembly and refill.
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Check the DTC memory for the Climatronic Control Module (J255) A/C control head and erase any faults displayed if necessary.
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Operate the A/C system after filling the refrigerant circuit => [ A/C System, Operating after Filling Refrigerant Circuit ] See: Heating and Air
Conditioning/Description and Operation/A/C System, Operating after Filling Refrigerant Circuit