The glycol base acts as an anti - freeze and maintains the physical characteristics of coolant, which continuously protects your engine parts from corrosion and damage. Most car engines have a coolant system which requires a glycol based coolant mixed with water. Once every year engine coolant changes are desirable, if concentration is not well maintained. Check water level and top up if necessaryĬomplete flushing and renewal of your engine coolant should occur at least every two years.
Put recommended quantity of HP Koolgard into radiator. Use a water pressure hose to flush out old coolant When the engine is warm (NOT HOT) open the radiator drain plug or remove bottom hose.Įnsure your car is parked on level ground with the hand brake applied What is the correct way of changing the coolant in a car?