GM Service Manual Online
For 1990-2009 cars only

Checks

Action

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 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 or shim the axle pinion down.

The universal joint is worn.

Replace the universal joint. Refer to Universal Joint Replacement .