How to replace a car thermostat

If the engine warms up very slowly, or never reaches normal temperature, or if it overheats quick...

How to remove a car radiator

Radiators on earlier cars were made of copper and brass alloys. They could be repaired by solderi...

Checking hoses and the radiator cap

The parts of the cooling system most likely to give trouble are water hoses. Age and the movement...

Draining and refilling a fully sealed cooling system

In a fully sealed cooling system, the cap on top of the radiator is not usually opened for toppin...

Checking and topping up car antifreeze coolant

Always use the right kind of antifreeze for your car and keep it at the correct strength, otherwi...

Checking for coolant leaks

A leak in the water-cooling system can be hard to trace - especially if it is internal, say in th...

Checking heater and ventilator output

The flow of air into the car can be blocked by leaves or road debris in the supply tubes or...

How to flush an engine radiator

Over a period of years, sediment builds up in a car's cooling system even if antifreeze containi...

Replacing core plugs

Core plugs are also known as expansion plugs, welch plugs and sealing discs - a point to remembe...

Replacing a water pump

Water pumps wear out through age, through lack of lubrication on older types — which need greasi...