DEFINITION: Knocking or clunking noise occurs when operating the vehicle at a steady speed in high gear or coasting in neutral at 16 km/h (10 mph).

One or more of the universal joints are worn or damaged.

Replace the universal joint. Refer to the following Universal Joint and Slip Yoke Replacement .

The side gear hub counterbore in the differential is worn oversize.

Replace the differential case and/or the side gears. Refer to Differential Carrier Assembly Replacement in Rear Drive Axle.