A6 Quattro Sedan V8-4.2L (ART) (2000)
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Place container beneath connection -A- and carefully blow out coolant from heater core (using compressed air) via connection -B-.
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Remove grommet -C-.
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Remove refrigerant line See: Hose/Line HVAC/Service and Repair
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Remove refrigerant lines and secure them (e.g. with cable tie) so they are not in the way during installation procedure.
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Seal off refrigerant lines -B- and open connections -A- on evaporator.
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Remove grommet -C-.
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Remove storage compartment on driver's side, center console and instrument panel fascia. See: Body and Frame/Interior Moulding / Trim
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Remove instrument panel cross member -A-.