A8L V8-4.2L (BFM) (2004)
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Reinstall hose -arrow- to secondary air pump at bottom of air filter housing.
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Connect battery Ground (GND) strap (see Repair Manual Group 27 - Battery Starter, Generator; Cruise control, Battery, disconnecting and
reconnecting).
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Fill Coolant (see Repair Manual - Group 19 Engine - Cooling system, Cooling system, draining and filling).
When procedure applies to vehicles within the New Vehicle Limited Warranty, use the table.