Engine overheating is a very irritating vehicle trouble that you might have to face while you're on for a long drive. Good thing Buick vehicles and all others are installed with radiator hose and other reliable cooling system components. Buick radiator hose allows the coolant to flow from and to the car's radiator and engine. Radiator hose is basically made of highly-flexible rubber compound that can resist high temperature and pressure. Older cars have a single radiator hose but modern cars like Buick are molded to have two or more radiator hoses emanating from a single main radiator hose. These hoses are used to direct coolant to the heater, to the expansion tank, to a turbo charger, and of course to the engine blocks. With these hoses always of good condition, the engine system is assured to have regulated temperature level. When the Buick radiator hose malfunctions, it could lead to engine overheating and worse to damage in the vital parts of the engine system. Although Buick radiator hose is made durable to withstand the heat, pressure and aging, its continuous contact with hot fluids make this auto part brittle. In due time, the radiator hose will start producing leaks and let the system lose significant amount of coolant that'd make its operation deficient. Because radiator hose does a critical function to each Buick engine system, it needs to be properly maintained. You can do this by running your hand along each hose. Check if the hoses are brittle, overly soft, or swollen. Squeeze each hose and if new cracks are formed, that shows sign that the radiator hose should be replaced already. But if worse case happens like when the coolant is already leaking, you need to do more serious inspection. Look for the source of the leak by determining the wet spots on the hose's surface. If you don't find wet spots, check the clamp that holds each hose at the end. Sometimes, a loose clamp causes leaks. You can tighten the clamp by simply adjusting the screwdriver. Yet, if replacement is necessary, trust only our online store for the finest auto product.