If you spot black flecks in your coolant on one of your regular checks, this could be a sign that you need to contact your local Repco Authorised Service Centre for a hose replacement.
To check hose deterioration, start a cold engine with the radiator cap off and let it reach operating temperature. Watch the coolant as it runs through your radiator. If black specks appear your hoses probably need to be replaced.
It is important that you do this quickly, as a split hose could mean that your coolant is not reaching your engine efficiently and this can result in expensive repairs and a very inconvenient breakdown.