S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Remove the bolts - 1 - and - 2 -.
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Remove refrigerant lines from A/C compressor.
‹› Close open lines and connections on A/C compressor using suitable caps (to prevent possible penetration of dirt and moisture).
Installing
Installation is done is reverse order, observe the following:
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Replace the O-ring seals - D - and - C - version.
‹› Do not use the O-rings from the sealing caps that are installed on the connections in the replacement compressor when installing the lines.
‹› Note the installation instructions for O-ring seals. Refer to => [ Refrigerant Circuit O-Ring Seals ] See: Heating and Air Conditioning/Description
and Operation/Refrigerant Circuit.
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Check the guide ring - F - on the connections for both refrigerant lines - B - and - C - for damage.
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Clean the refrigerant line and compressor connections and check for damage.
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Coat O-ring seals lightly with refrigerant oil before installing. Refer to => [ Refrigerant Circuit O-Ring Seals ] See: Heating and Air
Conditioning/Description and Operation/Refrigerant Circuit.
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Insert the respective O-ring seal - D - and - E - in the groove - G - on the connections for both refrigerant lines - B - and - C -.
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Insert both refrigerant line into each connection on the compressor.