Replacing the bearings while in the idler pulleys and tensioner pulley will preserve you somewhat $$ which is surroundings helpful. Sad to say, Toyota does not offer alternative bearings; It's important to buy the pulley having an installed bearing, or to the tensioner, you're pressured to buy the entire assembly. https://topazdirectory.com/listings13198788/new-step-by-step-map-for-credit-collections-in-anaheim