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HOMESERVICE MANUALSAUDI2012A3 (8PA) L4-2.0L TURBO (CCTA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSAIR INJECTIONAIR INJECTION CONTROL VALVESERVICE AND REPAIR
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)

Air Injection Control Valve: Service and Repair

2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)SECTION Service and Repair





Secondary Air Injection Solenoid Valve (N112)

Removing

- Remove the air filter.


Danger of causing damage to other electronic components when disconnecting the battery.

• Complete the steps for disconnecting the battery.

- Remove the battery.

- Remove the battery tray - arrows -.






- Disconnect the connector - A - and hose - B - from the Secondary Air Injection (AIR) solenoid valve (N112).






- Loosen the coolant pipe; remove the bolts - arrows -.






- Remove the bolts - arrows - and remove the AIR solenoid valve.






Installing:

• Tightening specifications, refer to => [ Cylinder Head Overview ] Cylinder Head Overview.

Install in reverse order of removal. Note the following:

• Replace gaskets and self-locking nuts.

- Install the battery.

- Install the air filter.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.