Checks  | Action  | 
|---|---|
DEFINITION: When the vehicle is accelerating at low speed a shudder occurs.  | |
The driveline center bearing splined shaft angle is excessive or incorrectly set.  | Determine if the driveline angle is incorrect then correct as necessary. Refer to Diagnostic Starting Point - Vibration Diagnosis and Correction .  | 
One or more of the universal joints are worn or damaged.  | Replace the driveshaft complete.  | 
Rubber coupling bolts loose  | Tighten the bolts to specifications. Refer to Fastener Tightening Specifications .  |