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• Tread 9steps9; Rapid decrease or increase in dial indicator reading over 101.6 mm (4.0 inch) of tread (d) If system runout is excessive, re-index the tire and wheel assembly on the hub. Remove - BASE/HYDRAULIC/MECHANICAL/ ROTORS - DIAGNOSIS AND TESTING). (e) If system runout is still excessive, continue with this diagnosis and testing procedure. (2) Tire and Wheel Assembly Radial Runout. This radial runout check is performed with the tire (a) Remove tire and wheel assembly from vehicle and install it on a suitable wheel balancer. (b) Check system runout using Dial Indicator Set, Special Tool C-3339A with 25-W wheel, or the tire and wheel. Radial runout should not (c) If runout exceeds limits, mark the original location of the tire on the wheel at the valve stem (d) If runout exceeds limits, the tire will need to be dismounted from the wheel to verify wheel vs. (3) Lateral Runout. Lateral runout for the vehi- cle system as well as the tire and wheel assembly Fig. 2 Radial Runout Measurement 1 - MASKING TAPE Fig. 3 Marking Tire 1 - REFERENCE MARK RS TIRES/WHEELS 22 - 3 TIRES/WHEELS (Continued) |