RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
Condenser HVAC: Service and Repair
Condenser
Condenser
‹› A condenser with a smaller internal volume is installed in the Audi RS4. Therefore observe the smaller fill quantity for refrigerant R134a in this
vehicle.
Removing
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Drain refrigerant circuit.
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Disconnect refrigerant lines from condenser. Refer to => [ Refrigerant Lines, Disconnecting and Connecting from Condenser ] See:
Refrigerant/Description and Operation/Refrigerant Circuit, Servicing.
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Remove the air guides between the bumper and the condenser.
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If necessary, detach or remove the power steering line cooler (not always necessary, depending on the vehicle).
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If necessary, detach or remove the coolant fan control module (J293) (not always necessary, depending on the vehicle).
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Disconnect the connector from the high pressure sensor (G65) - B -
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Remove bolts - A - (tightening torque 5 Nm).
Installing
Install in reverse order of removal.
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Check the type of seal at the connections and the refrigerant lines. These must be designed for the same type of seal. Refer to => [ Refrigerant Line
to Component Connections ] See: Refrigerant/Description and Operation/Refrigerant Circuit, Servicing.
‹› Removed condenser contains refrigerant oil which must be restored to the refrigerant system (with new condenser).