S5 Quattro Coupe V8-4.2L (CAUA) (2009)
The rest of installation is in reverse order of removal, note the following:
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Install left secondary air injection combination valve. Refer to => [ Secondary Air Injection Left Combination Valve ] See: Powertrain
Management/Emission Control Systems/Air Injection/Air Injection Control Valve/Service and Repair/Secondary Air Injection Left Combination
Valve.
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Install rear coolant pipes. Refer to => [ Rear Coolant Pipe ] See: Cooling System/Coolant Line/Hose/Service and Repair/Rear Coolant Pipe.
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Installing Upper Left Coolant Pipe. Refer to => [ Upper Left Coolant Pipe ] See: Cooling System/Coolant Line/Hose/Service and Repair/Upper
Left Coolant Pipe.