2002 Subaru Legacy How do I replace the serpentine belt

2.0L, 2.2L & 2.5L Engines Remove the accessory drive belt cover, if equipped. Loosen the lock bolt (bottom) of the front belt tensioner. Loosen the slider bolt (top) of the front belt tensioner. Remove the front side belt. Loosen the lock bolt (bottom) of the rear belt tensioner. Loosen the slider bolt (top) of the rear belt tensioner. Remove the rear side belt. To install: NOTE Wipe off any oil or water on the belt and pulley. Install the rear side belt, then tighten the slider bolt until the belt reaches the specified tension. Please refer to the following topic: "Accessory Drive Belts", "Adjustment." Tighten the lock nut of the rear belt tensioner to 18 ft. lbs. (25 Nm). Install the front side belt, then tighten the slider bolt until the belt reaches the specified tension. Please refer to the following topic: "Accessory Drive Belts", "Adjustment." Tighten the lock nut of the front belt tensioner to 17 ft. lbs. (23 Nm).