This should help you.
Drive Belt Replacement Removal Procedure
Important: Ensure the belt is properly aligned on the pulleys.
Important: If the tensioner idler pulley attachment bolt is loosened, remove the bolt and apply Saturn P/N 21485277 Loctite 242® , or equivalent to threads. Torque the bolt.
Tighten Tighten the belt tensioner-to-block 30 N·m (22 lb ft).