Your vehicle has a number of different belts and hoses that
allow the car to function in the proper way. These belts and hoses come
in a number of shapes and sizes. What they all have in common is that
they will eventually need to be replaced.
take your car in for regular maintenance, the service technician should
check over your vehicle's belts and hoses. In between these times, you
should be alert for any problems. If the belts or hoses look worn in any
spot, you should take the vehicle in and have the belt or hose
replaced. If you notice that any of the hoses that service the coolant
system are leaking, get them replaced immediately.
general rule, the hoses should be replaced about every four years. Most
belts should be replaced every 36,000 miles. The serpentine belt needs
to be replaced about every 50,000 miles.