DEFINITION: When accelerating the vehicle at low speed a shudder occurs.

The bolts are loose or missing at the flanges.

Replace or tighten the bolts to specified torque. Refer to Fastener Tightening Specifications .

The joint angle is excessive or incorrectly set.

Shim under the transmission support mount in order to change the joint angle. Use the standard shim P/N 1254001, or shim the axle pinion down.

The universal joint is worn.

Replace the universal joint. Refer to Universal Joint Replacement .