C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
4. Install a 3/8 inch drive wrench on the tension arm and rotate the arm counterclockwise.
5. Install the belt over the tensioner arm pulley.
6. Slowly release the tension on the tensioner arm.
7. Confirm that the belt is properly routed.
