So when, exactly, does one of hard-wired V-Belt need to be replaced? Usually, you get plenty of warning before you hear the final Bad Noise, to wit, that squealing. A squealing noise is indicative of a problem, but might not require replacement of the hard-wired V-Belt.There's a squeal emanating from underneath your hood—and it doesn't sound good.

　　The purpose of hard-wired V-Belt is to transmit and distribute the rotation from a drive shaft to other shafts attached to moving parts of a machine or engine.There are several advantages to the new style of hard-wired V-Belt. A single belt, winding its way through a forest of pulleys, can now drive every single engine accessory at the same time.