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METHOD 1 (RELOCATE WHEEL ON HUB) Check accuracy of the wheel mounting surface; adjust wheel bearings (if applicable). Drive vehicle a short distance to eliminate tire flat spotting from a parked position. Verify all wheel nuts are tightened and torqued in the correct sequence (Fig. 1). Use runout gauge D-128-TR to determine runout (Fig. 2). Relocate the wheel on the mounting studs, two studs over from the original position. Retighten wheel nuts until all are properly torqued. This will prevent brake distortion. Check radial runout. If still excessive, mark tire sidewall, wheel, and stud at point of maximum METHOD 2 (RELOCATE TIRE ON WHEEL) Rotating tire on wheel is particularly effective when there is runout in both tire and wheel. Remove tire from wheel and remount wheel on hub in former position. Check the radial runout of the wheel (Fig. 4). The radial runout should be no more than 0.762 mm Check the lateral runout of the wheel (Fig. 5). The lateral runout should be no more than 0.762 mm If the point of greatest wheel radial runout is near the original chalk mark, remount the tire on the rim Fig. 1 Wheel Tightening Sequence Fig. 2 Runout Gauge Fig. 3 Chalk Marking On Wheel, Tire And Stud 1 - STUD Fig. 4 Checking Wheel Radial Runout 1 - MOUNTING CONE 22 - 2 TIRES/WHEELS PL/SRT-4 TIRES/WHEELS (Continued) |