2. With the engine off, lift the hood and run your fingers along the belt (use a flashlight if needed) and check for cracks and separation of the fibers of the belt. In addition, check for any grinding or abrasion of the belt, which is reflected in the gloss of its surface. Both sides of the belt should be checked. This means that you have to bend the belt and check the inside of it.
3. Check the ribs on the inside of the belt. All of them should have the same depth, none of the surfaces should be uneven.
4. Belt tension is maintained by the tensioner assembly and is not adjustable. At the mileage specified in the maintenance schedule at the beginning of this chapter, the belt must be replaced or it will become severely worn or damaged.
5. To replace the belt, turn the tensioner counterclockwise to loosen the belt (see illustration). When the belt tension is reduced, the tensioner will swing down.
21.5. Insert the special rod into the tensioner and turn it counterclockwise to remove or install the belt
6. Release the belt from auxiliary parts and carefully release the tensioner.
7. Lay the new belt over the various pulleys, rotating the tensioner again to complete the belt installation, then release the belt tensioner.
21.7. The drive belt layout is located on the plate and on the belt cover on most car models