Overview - Secondary Air Injection System

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Secondary Air Injection System Overview

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Vacuum Hose
- From the Secondary Air Injection Solenoid Valve -N112-
Right Secondary Air Injection Combination Valve
- Check. Refer to SECONDARY AIR INJECTION COMBINATION VALVES, CHECKING FOR FUNCTION AND LEAKS .
- Removing and installing. Refer to RIGHT SECONDARY AIR INJECTION COMBINATION VALVE, REMOVING AND INSTALLING .
Bolts
- 9 Nm
Secondary Air Injection Sensor 1 -G609-
- Only engine code CGFA
- Removing and installing. Refer to Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING .
O-Ring
- Replace
Bolts
- 5 Nm
Left Secondary Air Injection Combination Valve
- Check. Refer to SECONDARY AIR INJECTION COMBINATION VALVES, CHECKING FOR FUNCTION AND LEAKS .
- Removing and installing. Refer to LEFT SECONDARY AIR INJECTION COMBINATION VALVE, REMOVING AND INSTALLING .
Vacuum Hose
- From Secondary Air Injection Solenoid Valve 2 -N320-
Seal
- Replace
Secondary Air Injection Hose
- Pressure side
Bonded Rubber Bushing
- Quantity: 3
Secondary Air Injection Pump Motor -V101-
- Removing and installing. Refer to Secondary Air Injection Pump Motor -V101-, REMOVING AND INSTALLING .
- Attach the connector to the bracket
- Check in "Guided Functions". Refer to Vehicle Diagnostic Tester.
Bracket
- Riveted with the body
Nut
- 9 Nm
- Quantity: 3
O-Rings
- Replace if damaged
Secondary Air Injection Hose
- Intake side
Secondary Air Injection Pipe
Seal
- Replace