If any of the measurements exceed the brake disc thickness variation specification, a new brake disc must be installed and the brake discrunout re-checked.
如果有任何测量值超过制动盘厚度变量规格时,则必须安装新的制动盘并且重新检查制动盘的失圆。
2
Fit the dial gauge with some preload and measure the lateral runout at the greatest external diameter of the brake disc.