Shudder on Acceleration at Low Speed

Checks	Action
DEFINITION: When the vehicle is accelerating at low speed a shudder occurs.
The rear propeller shaft bolts are loose/missing.	Replace/tighten the rear propeller shaft bolts. Fastener Specifications
The propeller shaft angle is excessive/incorrect.	Inspect for proper propeller shaft angle and correct as necessary. Vibration Diagnosis, Starting Point, and Correction
One or more of the propeller shaft universal joints are worn.	Replace the affected propeller shaft universal joints. Propeller Shaft Universal Joint Replacement