- Fit the single drive belt on the pullies.- The tensioning device is automatic and uses a preset spring to set the correct tension upon assembly and automatically take up any wear that arises during normal service.- Adjust the automatic tensioner and move to maximum preload position, fit the auxiliary drivebelt and slowly release the tensioner. Op. 4450B04 RIGHT FRONT WHEEL R R Op. 7055B54 UNDER-ENGINE GUARD - R R- Remove the vehicle from the lift.