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Front catalytic converter, Z19

Front catalytic converter, Z19

To remove


1. Remove the upper engine cover and insulation.

2. Remove the bolt securing the dipstick guide tube.


3. Remove the upper bolts of the heat shield.

4. Remove the turbo intake pipe.


5. Detach the pipe between the EGR cooler and the exhaust manifold.


6. Raise the car.

7. Remove the lower engine cover.


8. Detach and remvoe the front exhaust pipe.


9. Remove the lower bolt and nuts of the heat shield.


10. Remove the heat shield.

11. Remove the temperature sensor from the catalytic converter.


12. Remove the lower mounting of the catalytic converter.

13. Remove the clamp nut.

14. Open the clamp and remove the catalytic converter.


To fit


1. Open the clamp and fit the catalytic converter using a new gasket. Fit the nut.


2. Fit the lower mounting of the catalytic converter. Tighten the clamp nut.

Tightening torque: 20 Nm (15 lbf ft)

3. Lubricate the threads sparingly with 90 513 210 Universal paste and fit the temperature sensor.

Tightening torque: 45 Nm (33 lbf ft)

4. Position the heat shield.


5. Fit the lower bolt and nuts.

6. Attach the front exhaust pipe using new gaskets.

Tightening torque: 25 Nm (18 lbf ft)


7. Fit the lower engine cover.


8. Lower the car to the floor.

9. Fit the pipe between the EGR cooler and exhaust manifold using new gaskets.


10. Fit the upper bolts of the heat shield.


11. Fit the turbo's intake pipe.


12. Fit the bolt securing the dipstick guide tube.

13. Fit the insulation and upper engine cover.

14. If a new catalytic converter has been fitted : Connect the diagnostic tool to restore adaptation values.