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V-Belts are traditionally found in older motors. A series of v-belts come off the crankshaft, each powering its own individual accessory group such as alternator, a/c compressor etc. Failure to replace a v-belt can cause your engine accessories to stop working as well as engine overheating.
How Does it Work?
Provides the best combination of traction, speed of movement, load of the bearings and long service life.
Powers various accessory groups in your engine.
How is it Made?
May be only rubber or polymer throughout or may have fibers embedded in the polymer for strength and reinforcement.
Made in a v-shape to track in the mating groove of the pulley so that the belt cannot slip off.
Why Does it Fail?
Belt is over-tensioned.
Tension loss caused by a weak support structure, lubricants being sprayed or spilled on belt, excessive sheave wear or belt load.
Cracks in the belt.
Excessive shock load, or exposure to excessively hot or dry locations.
What are the Symptoms of Failure?
Signs of even wear, cracking, fraying or burned spots on the exterior of the belt.
What are the Implications of Failure?
Engine accessory powered by the belt will stop running.
Engine will overheat, causing possible engine damage.