A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Connect the section of hose - D - (extension) to the coolant hose - A -.
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Close the coolant hose - B - with a sealing plug - E -.
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Place a container - C - beneath the extension hose - D -.
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Using a compressed air gun (with rubber end piece) - F -, carefully blow coolant out of the driver side "heat exchanger" (into container - C -) via
the open connection for the bleeder valve - G -.
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Remove the sealing plug - E - from the coolant hose - B - and insert in the coolant hose - A -.
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Connect the section of hose - D - (extension) to the coolant hose - B -.
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Using a compressed air gun (with rubber end piece) - F -, carefully blow coolant out of the front passenger side "heat exchanger " (into container -
C -) via the open connection for the bleeder valve - G -.
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Remove the air intake unit => [ Air Intake Unit ] See: Air Duct/Service and Repair/Air Intake Unit.
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Remove the refrigerant line from the connection to the A/C unit => [ Refrigerant Lines at A/C Unit ] See: Hose/Line HVAC/Service and
Repair/Refrigerant Lines at A/C Unit.
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Remove coolant hoses that have already been marked (risk of transposition) from coolant pipes - A -, - B - and - C -.