Peugeot 405 Manual

Exhaust manifold - removal and refitting
Fuel/exhaust systems - single-point fuel injection models / Exhaust manifold - removal and refitting

1 Refer to Chapter 4A, Section 15, noting that the lambda (oxygen) sensor wiring connectors should be disconnected. Alternatively, care must be taken to support the front pipe, to avoid any strain being placed on the sensor wiring.

2 Refitting is the reverse of the removal procedure, noting the following points: a) Examine all the exhaust manifold studs for signs of damage and corrosion; remove all traces of corrosion, and repair or renew any damaged studs.

b) Ensure that the manifold and cylinder head sealing faces are clean and flat, and fit the new manifold gaskets. Tighten the manifold retaining nuts to the specified torque.

c) Reconnect the front pipe to the manifold.

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