A small defect in the cooling system can lead to increased fuel consumption and even damage to the engine. Buses and buses must regularly maintain the cooling system. The purpose of checking the entire cooling system is to avoid unnecessary and expensive maintenance, such as failure of the radiator and/or air cooler. Valeo radiators and automatic hot and cold air conditioners are of high quality, unique in design and conform to all original specifications. Durable, high performance, low fuel consumption and low failure rate.