A Class 8 truck has a shudder when accelerating from a stop. Technician A says to check for a loose flange at the rear of the transmission. Technician B says to check for worn slip splines in the driveshaft. Who is right?

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Both Technician A and B. Both technicians are correct. A loose transmission flange can cause shudder during acceleration, as can worn slip splines that allow excessive movement in the driveshaft assembly.

A Class 8 truck has a shudder when accelerating from a stop. Technician A says to check for a loose flange at the rear of the transmission. Technician B says to check for worn slip splines in the driveshaft. Who is right?

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