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Front valve, secondary air injection

Front valve, secondary air injection

To remove


1. Remove the upper engine cover


2. Remove the bypass pipe with valve

3. Unplug the connector to the pressure/temp sensor.

4. Detach the turbocharger delivery pipe from the throttle body.

5. Raise the car and undo the turbocharger delivery pipe connection from the charge air cooler. Leave the hose clip hanging.

6. Lower the car and remove the turbo delivery pipe.

7. Undo the hose connection to the front SAI valve by pressing together the clip and pulling back.


8. Remove the bolt for the SAI valve (use a long 10 mm socket). Remove the valve.


To fit


1. Clean the sealing surfaces and fit the SAI valve with a new gasket.


2. Connect the hose to the valve. Check the connection.

3. Connect the turbocharger delivery pipe to the charge air cooler and throttle body.


4. Raise the car, connect the turbocharger delivery pipe to the charge air cooler and throttle body. Tighten the hose clip on the charge air cooler.

5. Lower the car and tighten the hose clip on the throttle body.

6. Plug in the connector for the temp/pressure sensor.

7. Fit the bypass pipe with valve.

8. Fit the upper engine cover.