C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
1. Observe the drive belt correctly installed on the pulley.
Each groove on the drive belt rests inside a matching groove in the pulley.
2. When installing a new drive belt, observe the indicator on the tensioner.
A new drive belt should fall inside this range.
3. When installing a used drive belt, observe the indicator on the tensioner.
A used drive belt should fall inside this range.