See also:

Fuel system - depressurising
Warning: The fuel system will remain pressurised after the engine is switched off. Comply with relevant safety precautions during this operation and refer to the “Safety First” Section at the beg ...

Internal connection details, all models continued
Internal connection details, all models continued ...

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 ...