Removal
1 Disconnect the battery negative terminal.

2 Disconnect the crankcase ventilation hoses which are accessible from above, from the air cleaner body (see illustration).

2.2 Disconnecting the crankcase ventilation hose at the air cleaner body

3 Disconnect the cold air inlet hose from the end of the air cleaner spout where applicable (see illustration).

2.3 Cold air inlet hose removal from air cleaner spout

4 Where fitted, on CVH engines, pull out the crankcase emission valve from the underside of the air cleaner body.

5 Undo the retaining screws or bolts on the air cleaner lid and lift the unit off the carburettor.

6 On 1.1 and 1.3 litre HCS engines, unclip the fuel trap from the side of the air cleaner casing.

7 According to model, disconnect the vacuum hose and the remaining crankcase ventilation hose(s) as applicable, then remove the air cleaner from the engine.

Refitting
8 Refitting is a reversal of removal.