Air Injection: Service and Repair

Secondary Air Injection System Overview

• The Secondary Air Injection (AIR) system is not installed on all engines.






1 Bolt

• 10 Nm

2 Secondary Air Injection (AIR) Pipe

• Follow the tightening sequence, refer to => [ AIR Pipe Bolt Tightening Sequence ].

3 Connector

• For the AIR solenoid valve.

4 Secondary Air Injection Solenoid Valve (N112)

• Do not disassemble.

• Checking, refer to => [ Secondary Air Injection Solenoid Valve, Checking ] Secondary Air Injection Solenoid Valve, Checking.

• Removing and installing, refer to => [ Secondary Air Injection Solenoid Valve (N112) ] Secondary Air Injection Solenoid Valve (N112).

5 Connecting Pipe

• Make sure it is secure

• To disengage, squeeze together the securing ring.

6 Secondary Air Injection Sensor 1 (G609)

• Installed from MY 2009.

7 Bolt

• 2 Nm

• Installed from MY 2009.

8 Bracket

9 Gasket

• Allocation, refer to the Parts Catalog.

10 Bolt

• 10 Nm

11 Connecting Pipe

• For the AIR pump.

12 Secondary Air Injection Pump Motor (V101)

• Removing and installing, refer to => [ Secondary Air Injection Pump Motor (V101) ] Service and Repair.

13 Rubber Bushing

14 Bolt

• 25 Nm

15 Nut

• 10 Nm

16 Intake Manifold Support

• With the mounts for the AIR pump motor.

17 Cylinder Head

18 Connecting Pipe

AIR Pipe Bolt Tightening Sequence





- Replace all AIR pipe gaskets - A -.

- Install all bolts only hand tight.

- Tighten the bolts - 1 - first, then the bolt - 2 - and then the bolt - 3 - to 10 Nm.