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

Bolts are loose or missing at the flanges.

Replace or tighten the bolts to the specified value. 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. Refer to Vibration Diagnosis in General Information.

The universal joint is worn.

Replace the universal joint. Refer to Universal Joint Replacement - Nylon Injected Ring or to Universal Joint Replacement - External Snap Ring .