1987 buick centery Serpentine belt

Refer to our homepage under the DIY section. Select belts. From there, put in your vehicle information for the diagram. As far as replacement, there is an automatic tensionier. Using a wrench, you turn the tensionier in the direction to loosten the belt. Once it becomes loose, slip the belt off. Repace in the opposite sequence. NOTE: There will be a lot of tension from the tensionier. Watch your fingers when releasing it.