Cardone Industries 58-222 Engine Water Pump Genuine A1 Cardone product A cooling system maintenance check should be performed at least once every two years. Consult vehicles service manual for specific guidelines on cooling system. A hydrometer can be used to measure specific gravity of coolant. A refractometer can be used to determine coolant concentration and freeze point. Check coolant level. Adjust level if necessary with correct coolant mixture. The engine overheating could be due to components other than the water pump. The following steps should be taken before checking the pump. Flush the system. Check hoses, clamps and seals. Check radiator cap and thermostat. Check for proper and sufficient coolant. Check for cracks, warpage and other damage.