See also:

Expansion tank and coolant level sensor - removal and refitting
Removal 1 With the engine cold, slowly unscrew the expansion tank cap to release any remaining pressure from the cooling system. Remove the cap. 2 Place a suitable container beneath the expansio ...

Cylinder head - inspection and renovation
Note: On engines fitted with hardened valve seats for use with unleaded petrol, valve and valve seat grinding and recutting cannot be carried out without the use of specialist equipment. Consult a ...

Engine oil and filter renewal (Every 6000 miles (10 000 km) or 6 months)
1 Frequent oil and filter changes are the most important preventative maintenance procedures which can be undertaken by the DIY owner. As engine oil ages, it becomes diluted and contaminated, whic ...