Accessory drive belts are integral parts of the power transmission mechanism that's under the hood of your
vehicle. Simply put, the belt distributes kinetic energy from the crankshaft of your vehicle and drives components
such as the water pump, air conditioner compressor, power steering pump, and alternator.
have been used in vehicles since the 1930s, but most newer vehicles use a single serpentine drive belt. Serpentine
belts cut down on parasitic drag and enhance engine efficiency, and also save space underhood by eliminating the
need for engine accessories and pulleys to be offset from each other.
Automotive v-belts drive a
range of components, letting each of the components perform its critical function for the normal operation of your
vehicle. The alternator drives the electrical subsystems of the car and keeps the car battery charged for the next time it’s needed. The water pump is driven by a drive belt,
and pressurizes coolant so it can circulate through the engine’s water jackets. Top cog v-belts or a
serpentine belt also drive the power steering pump; this vane-style pump circulates hydraulic fluid through the steering
box, multiplying the force that the driver can apply to the steering wheel.
Along with the tensioner and
belt pulleys, accessory drive belts constitute the all-important drive belt system. However, it’s pretty easy
for even seasoned car owners to take belts for granted, which is fine right up until you find yourself by the side
of the road with a failed belt. If you are hearing abnormal noises from the car 's hood (usually a high-pitched squeal),
carefully inspect and identify if the automotive v-belt needs replacement.
In normal operating conditions,
you must replace the belt after about 60,000 miles. Nevertheless, excessive heat, a seized serpentine belt tensioner,
rubber loss, and flattening of belt ribs can necessitate replacement much sooner, for even the top cog v-belts. Look for suitable accessory drive belts from Advance Auto Parts and maintain safe, reliable operation
of your vehicle's accessory drive system.