General Diagnostic Table: Inspection
NOTE:
Vibration while cruising may be caused by an unbalanced tire, improper tire inflation pressure, improper wheel alignment, etc.
GENERAL DIAGNOSTIC TABLE
| Symptom | Possible cause | Corrective action |
|---|---|---|
| Noise or vibration from propeller shaft | Center bearing | Check the center bearing. < Refer to CENTER BEARING FREE PLAY , INSPECTION, PROPELLER SHAFT. > |
| Runout of propeller shaft | Check for deflection of the propeller shaft. < Refer to RUNOUT OF PROPELLER SHAFT , INSPECTION, PROPELLER SHAFT. > | |
| Loose or gap at connections | Check the joints and connectors. < Refer to JOINTS AND CONNECTIONS , INSPECTION, PROPELLER SHAFT. > | |
| Check the spline and bearing. < Refer to SPLINES AND BEARING , INSPECTION, PROPELLER SHAFT. > | ||
| Abnormal wheel vibration | Wheel is out of balance. | Check the wheel balance. < Refer to ADJUSTMENT , Wheel Balancing. > |
| Front wheel alignment | Check the front wheel alignment. < Refer to INSPECTION , Wheel Alignment. > | |
| Rear wheel alignment | Check the rear wheel alignment. < Refer to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Refer to INSPECTION , Front Strut. > | |
| Rear shock absorber | Check the rear shock absorber. < Refer to INSPECTION , Rear Shock Absorber. > | |
| Front drive shaft | Check the front drive shaft. < Refer to INSPECTION , FRONT DRIVE SHAFT. > | |
| Rear drive shaft | Check the rear driveshaft. < Refer to INSPECTION , REAR DRIVE SHAFT. > | |
| Front hub unit bearing | Check the front hub unit bearing. < Refer to INSPECTION , FRONT HUB UNIT BEARING. > | |
| Rear hub unit bearing | Check the rear hub unit bearing. < Refer to INSPECTION , REAR HUB UNIT BEARING. > | |
| Noise from the underbody | Wheel is out of balance. | Check the wheel balance. < Refer to ADJUSTMENT , Wheel Balancing. > |
| Front wheel alignment | Check the front wheel alignment. < Refer to INSPECTION , Wheel Alignment. > | |
| Rear wheel alignment | Check the rear wheel alignment. < Refer to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Refer to INSTALLATION , Front Strut. > | |
| Rear shock absorber | Check the rear shock absorber. < Refer to INSPECTION , Rear Shock Absorber. > |