Secondary Air Injection (AIR) solenoid valve -N112-, removing and installing

Remove bolts (arrows) and remove engine covers -A- and -B-.

Fig 1: Removing Bolts And Remove Engine Covers
Courtesy of AUDI OF AMERICA, INC.
Remove air distributor (arrows).

Fig 2: Removing Air Distributor
Courtesy of AUDI OF AMERICA, INC.
Disconnect both connectors -2- from control modules for exhaust gas temperature.
Remove control modules from intake manifold and set wires aside.
The Secondary Air Injection (AIR) solenoid valve -N112- is secured to a bracket below the control modules for the exhaust gas temperature sensor.
Disconnect harness connector from valve and slide bracket off studs at intake manifold with vacuum lines connected.
Disconnect vacuum lines from Secondary Air Injection (AIR) solenoid valve, remove valve from bracket.

Fig 3: Identifying Installation Location Of Secondary Air Injection Solenoid Valve -N112-
Courtesy of AUDI OF AMERICA, INC.