Corvette V8-5.7L VIN G (1997)
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Wheel runout.
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The TPD and the loaded radial runout buffer methods are not always available. The TPD and the loaded radial runout buffer methods have
their disadvantages. Use the dial indicator to measure free runout for a more practical method. The free runout of the tire will usually
correspond with the tire's stiff spot.
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Use the substitution method of vibration diagnosis for an alternative method. Install a known good set of tire and wheel assemblies. If these
correct the vibration, reinstall one at a time the original tire and wheel assemblies until the vibration returns. This will point out the tire with
excess stiffness variation.
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Tire stiffness variation may be higher or lower depending on the direction of the tire rotations.
