Both pathology have been attributed to damage by free radicals, there has been a great deal of interest in antioxidants. Bilberry's flavonoids are known as potent antioxidants, scavenging free radicals and used for multiple age-related ocular disorders. Thus, bilberry may have health benefits on these conditions.
Tensioner pulleys and idler pulleys keep the belt taut and running smoothly. The accessory pulleys have to spin a certain direction to power their respective parts. This determines whether they ârideâ on the inside or outside of the belt.
Symptoms of a Bad or Failing Drive Belt Tensioner. A drive belt tensioner is a pulley mounted on a spring mechanism or adjustable pivot point that is used to keep tension on the engine belts. Spring tensioners are designed to tension automatically while the pivot design types can be adjusted manually.