See also:

Diagram 2a: 1986-on Lighting all models
Diagram 2a: 1986-on Lighting all models ...

Central Fuel Injection (CFI) unit - removal and refitting
Note: Refer to the precautions at the end of Section 1 before proceeding. Removal 1 Disconnect the battery negative lead. 2 Remove the air cleaner assembly. 3 Depressurise the fuel system as desc ...

Crankcase ventilation system check (Every 12 000 miles (20 000 km) or 12 months)
1 Inspect the crankcase ventilation system for blockage or damage. A blocked hose can cause a build-up of crankcase pressure, which in turn can cause oil leaks (see illustration). 35.1 Loosenin ...