Secondary Air Injection (AIR), component overview: Notes

WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Secondary Air Injection (AIR), Component Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Secondary Air Injection (AIR) Pump Motor V101

At right front in engine compartment below long member
Removing and installing → Secondary Air Injection (AIR) pump, removing and installing

2 - Air guide pipe

To air filter housing

3 - Bracket

For Secondary Air Injection (AIR) Solenoid Valve N112

4 - Secondary air injection (AIR) solenoid valve N112

Component location → Installation location of Secondary Air Injection (AIR) Solenoid Valve N112

5 - Right combination valve for Secondary Air Injection (AIR)

Component location: Back of right cylinder head
Checking → Combination valve for secondary air injection (AIR), checking function and for leaks
Removing and installing → Right combination valve for secondary air injection, removing and installing

6 - Air guide hose

From Secondary Air Injection (AIR) Pump Motor V101 to combination valves

7 - Left combination valve for Secondary Air Injection (AIR)

Component location: Back of left cylinder head
Checking → Combination valve for secondary air injection (AIR), checking function and for leaks
Removing and installing → Left combination valve for secondary air injection (AIR), removing and installing

8 - Gasket

Replace

9 - 9 Nm

10 - 9 Nm

11 - Connecting pipe

To cylinder head

12 - 9 Nm

13 - Gasket

Replace

14 - 9 Nm

15 - Air guide pipe

To combination valves

16 - Bracket

For Secondary Air Injection (AIR) pump motor V101

17 - 9 Nm