If a shudder or vibration is detected during acceleration, check for the following conditions:

1. An excessive joint angle.

1.1.	An excessive toe. Refer to Front Toe Adjustment in Wheel Alignment.

1.2.	Incorrect trim height. Refer to Trim Height .

2. Worn or damaged inboard or outboard joints.
3. A sticking spider assembly (Tri-Pot).
4. An undiagnosed vibration. Refer to Vibration Diagnosis in Vibration Diagnosis and Correction.