Cooling-system test.(1) Testing thermostat.(2) Testing system for rust and scale.(3) Testing radiator for restriction.(4) Examining hose and hose connections.(5) Testing water pump.

• 冷却系的检查包括:(1)检查节温器。(2)检查锈蚀和水垢沉淀程度。(3)检测散热器的节流情况。(4)检查胶质水管和管接头。(5)检查水泵。