Notice: Under no circumstances should a tensioner assembly be opened to attempts repair of internal parts as the spring is powerful, preloaded and may cause serious injury. Always replace a worn tensioner assembly with a new assembly, as there are no serviceable internal parts. The only part that may be replaced is the pulley.
Benifit of Belt Tensioners: Maintains correct alignment to the belt;Automatically sustains precise accessory belt tension;Automatically dampens normal accessory system vibrations;Prevents noise from belt slip and excessive belt wear;Optimizes belt and accessory system component life;Provides an indication of belt stretch and need for replacement;Improves belt system alignment