Overview - Secondary Air System

WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Secondary Air System

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 9 Nm
O-ring
- Check for damage
- Included in the delivery package, refer to -item 17-.
- Coat with engine oil
O-ring
- Check for damage
- Included in the delivery package, refer to -item 4- below.
- Coat with engine oil
Secondary Air Injection Sensor 1 -G609-
- Removing and installing. Refer to Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING .
O-ring
- Check for damage
- Included in the delivery package, refer to -item 16-.
- Coat with engine oil
Air Filter Housing
- Overview - OVERVIEW - AIR FILTER HOUSING (1.8L; 2.0L 4V TFSI Engine (EA 888 Generation II, As of 01.2018), or OVERVIEW - AIR FILTER HOUSING (1.8L; 2.0L 4V TFSI Engine (Generation II, As of 09.2016).
- For Air Filter Housing, 1.8L; 2.0L 4V TFSI Engine (EA 888 Generation III, As of 12.2017), information not available.
O-ring
- Check for damage
- Included in the delivery package, refer to -item 16-.
- Coat with engine oil
Secondary Air Injection Pump Motor -V101-
- Removing and installing. Refer to Secondary Air Injection Pump Motor -V101-, REMOVING AND INSTALLING .
Bracket
- On body
Nut
- 8 Nm
Nut
- 8 Nm
Bracket
- For the Secondary Air Injection Pump Motor -V101-
Nut
- 8 Nm
Rubber Bushing
O-ring
- Check for damage
- Included in the delivery package, refer to -item 17-.
- Coat with engine oil
Suction Line
- From the air filter housing to the Secondary Air Injection Pump Motor -V101-
Pressure Line
- From the Secondary Air Injection Solenoid Valve -N112- to the Secondary Air Injection Pump Motor -V101-
Secondary Air Injection Solenoid Valve -N112-
- Do not disconnect from the flange.
- Replace completely with the flange.
- Removing and installing. Refer to Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING .
Seal
- Always replace after removing