S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Remove coolant hose - 3 - by lifting the retaining clip.
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Disconnect coolant hoses - 1 - and - 4 - and loosen the hose clamp - 5 -.
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Remove bolts - arrows -.
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Disconnect rear coolant pipe leading to the left side from the coolant hose.
Installing
‹› Tightening specifications. Refer to => [ Coolant Pipes Assembly Overview ] See: Coolant Pipes Assembly Overview.
Installation is in reverse order of removal, note the following:
‹› Replace O-rings.
‹› Secure all hose connections with hose clamps appropriate for the model.
‹› During installation, all cable ties must be re-installed at the same location.
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Clean and/or smooth the sealing surfaces of the O-rings.
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Coat new O-ring with coolant.
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Connect the coolant hose with the connector on the coolant pipe => [ Connect the coolant hose and connector coupling
to the coolant pipe. ] See: Coolant Pipes Assembly Overview
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Install plenum chamber bulkhead.
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Fill with coolant => [ Filling ] See: Engine, Cooling and Exhaust/Cooling System/Service and Repair/Procedures.