The belt, tensioner, and idler pulley were all ordered from Corvette Central (www.corvettecentral.com). I decided to stow the old serpentine belt in the trunk of the C5, rather than throwing it away.

This is the complete set of DivisionX ’03-’04 Cobra idler pulleys, which are available from Lethal Performance. The CNC-machined 100mm and 90mm aluminum idlers, as well as the billet bracket ...

Ditto for any idler pulleys, which should spin freely. We replaced the tensioner on our Suburban and added a drop of threadlocker to the bolt. The tensioner came with a new bolt—nice.

A car engine belt that's squealing or chirping indicates a problem that needs to be fixed. The post If Your Car’s Belts Are Noisy, This Is What It Means appeared first on Family Handyman.

This, in turn, accelerates belt and pulley wear and reduces drive efficiency by as much as 10%. ... This limits the load on the idler mounting bolt as well as tensioner arm and support bushing.