K 3500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
1. Install the belt over all the pulleys except the tensioner arm (if equipped a with single generator).
2. Install the drive belt over all the pulleys except the tensioner arm (if equipped a with dual generators).
3. Install a 3/8 inch drive wrench on the tensioner arm and rotate the arm counterclockwise.
4. Slowly release the tension on the tensioner arm.
5. Confirm that the drive is properly seated in all the pulleys and is properly routed before starting the vehicle.
