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Replacement of front secondary air injection pipe (6 cyl.)

Replacement of front secondary air injection pipe (6 cyl.)



1. Remove the engine's protective covers.

2. Remove the engine's covers. Remove the heat shield over the exhaust manifold and undo the screws which hold the injection pipe to the exhaust manifold.

3. Separate the pipe to the rear exhaust manifold from the hose.


4. Remove the air hoses to the check valves and remove the bracket complete with pipes.

5. Fit the injection pipes using new gaskets and hang the bracket in its place without tightening the bolt.


6. Tighten the screws for the injection pipes.

Tightening torque 20 Nm (15 lbf ft).

7. Tighten the screw which holds the bracket.

Tightening torque 20 Nm (15 lbf ft).

8. Refit the pipes to the rear exhaust manifold.

9. Fit the check valves.

Tightening torque 25 Nm (18.5 lbf ft).

10. Reconnect the air hoses to the check valves.

11. Fit the heat shield over the exhaust manifold.


12. Fit the engine covers.