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Catalytic converter

Catalytic converter

To remove


1. Remove the upper engine cover.

2. Remove the turbocharger heat shield.


3. Remove the vacuum hose from the turbocharger regulator and from the heat exchanger and bend the hose out of the way.


4. Slacken the 2 rear bolts on the turbocharger but leave them in place.

Warning

The exhaust pipe from the turbocharger can be extremely hot. Proceed with caution.


5. Raise the car.

6. Remove the front bolt from the turbocharger.

7. Remove the 2 nuts from the bracket on the catalytic converter.


8. Remove the bolts of the catalytic converter mounting.

9. Remove the 3 nuts from the joint between the front exhaust pipe and catalytic converter.

10. Lower the car.

11. Remove the nuts from the turbocharger.


12. RHD cars: Disconnect the fuel pipes from the fuel filter.

13. Remove the catalytic converter.


To fit


1. Lubricate the studs with 30 20 971 Screw-thread paste and fit the catalytic converter using a new gasket.


2. RHD cars: Connect the fuel pipes to the fuel filter.

3. Fit the 2 rear nuts on the turbocharger.

Tightening torque 25 Nm (18.5 lbf ft)

4. Raise the car.

5. Fit the bolts to the rear mounting.


6. Fit the nuts to the joint between the front exhaust pipe and the catalytic converter; use a new gasket.

Tightening torque 25 Nm (18.5 lbf ft)

7. Fit the nuts to the mounting on the catalytic converter.

Tightening torque 25 Nm (18.5 lbf ft)

8. Fit the front nut to the turbocharger.


Tightening torque 25 Nm (18.5 lbf ft)

9. Lower the car.

10. Connect the vacuum hose to the turbocharger regulator and heat exchanger.

11. Fit the turbocharger heat shield.


12. Fit the upper engine cover.