A8L V8-4.2L (BFM) (2004)
Air Injection Pump: Procedures
Secondary Air Injection (AIR) Pump Motor -V101-, Removing And Installing
Removing
For vehicles with parking/auxiliary heater:
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Remove bolts (arrows) for exhaust pipe of parking heater/auxiliary heater on noise insulation.
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Remove noise insulation, item -1-.
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Disconnect air hose -1-.
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Disconnect air hose -2-.