Coolant which has gone off “will cause more harm than good” and could leave deposits in your engine and radiator which will lead to poor coolant flow.
Motorists are also warned by Green Flag to never overload their vehicle during periods of warm weather.
Cars often get overloaded with luggage and other items in hot weather but experts have urged motorists to “limit the amount they pack”.
Overloading the vehicle means the car will need to work harder which will use more fuel and put strain on key parts.
If you believe your car is already overheating, motorists need to take quick and decisive actions to prevent further damage.
source: express.co.uk