Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING: Removing

-- Remove the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .

-- Remove bolts -arrows- and move the bracket -1- for the heat shield.

Fig 1: Heat Shield Lower Bracket

Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -4- and bolt -2-.

Courtesy of AUDI OF AMERICA, LLC

-- Push the rear coolant pipe -3- to the side.

All additional procedures are described. Refer to Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING .