Changing the bearings during the idler pulleys and tensioner pulley will preserve you somewhat $$ and is also setting pleasant. Regrettably, Toyota doesn't promote replacement bearings; You must purchase the pulley with an put in bearing, or to the tensioner, that you are forced to get your complete assembly. @1largemouth https://directoryindexer.com/listings13190796/5-tips-about-bill-collection-services-in-anaheim-you-can-use-today