If the size of the wheel cylinder is increased during honing by less than 0.005", the cylinder must be replaced.

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Quizplus · Accepted Answer

Honing a wheel cylinder to slightly increase its size (less than 0.005") is often done to remove imperfections and restore a smooth surface. If the increase is within the manufacturer's tolerance, the cylinder does not necessarily need to be replaced; it can be fitted with oversized pistons if needed.

If the Size of the Wheel Cylinder Is Increased During