Peugeot 405 Manual

Air cleaner assembly and inlet ducts - removal and refitting
Fuel/exhaust systems - multi-point fuel injection models / Air cleaner assembly and inlet ducts - removal and refitting


Removal
Early models and all models with air cleaner located on left-hand side of engine
1 Where applicable, disconnect the multiplug from the airflow meter (see illustration).

2.1 Disconnecting the airflow meter multi-plug (Bosch L3.1-Jetronic)
2.1 Disconnecting the airflow meter multi-plug (Bosch L3.1-Jetronic)

2 Loosen the clip on the upper air inlet duct.

3 Remove the cover and lift out the air filter.

On the square type housing it will be necessary to release the clips first.

4 To remove the housing, release the lower clips, disconnect the lower duct and lift out the housing (see illustration).

2.4 Removing the air cleaner housing
2.4 Removing the air cleaner housing

Later models and all models with air cleaner located over the engine 5 Slacken the retaining clip(s) and disconnect the breather hose(s) from the side of the air cleaner-to-throttle housing duct. Slacken the duct retaining clips, then disconnect it from the air cleaner and throttle housing, and remove it from the vehicle. Where necessary, recover the rubber sealing ring from the throttle housing.

6 Release the two retaining clips, then slacken and remove the two retaining screws from the front of the cylinder head cover, and remove the air cleaner element cover from the head. Withdraw the air cleaner element.

7 To remove the inlet duct, undo the bolt securing the rear section of the duct to the end of the cylinder head, then slacken the retaining clip and disconnect the duct from the cylinder head cover. Undo the bolt securing the front of the duct to the crossmember and manoeuvre the duct out of the engine compartment.

Refitting
8 Refitting is a reversal of removal, but clean out the housing first.


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