General Diagnostic Table: Inspection
WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Vibration while cruising may be caused by an unbalanced tire, improper tire inflation pressure, improper wheel alignment, etc.
GENERAL DIAGNOSTIC DETAILS
| Symptom | Possible cause | Corrective action |
|---|---|---|
| Noise or vibration from propeller shaft | Center bearing | Check the center bearing. < Ref. to , CENTER BEARING FREE PLAY , INSPECTION, Propeller Shaft. > |
| Runout of propeller shaft | Check the vibration of propeller shaft. < Ref. to , RUNOUT OF PROPELLER SHAFT , INSPECTION, Propeller Shaft. > | |
| Loose or free play of connection | Check joint and connector. < Ref. to , JOINTS AND CONNECTIONS , INSPECTION, Propeller Shaft. > | |
| Check splines and bearing. < Ref. to , SPLINES AND BEARING , INSPECTION, Propeller Shaft. > | ||
| Abnormal wheel vibration | Wheel is out of balance. | Check the wheel balance. < Ref. to ADJUSTMENT , Wheel Balancing. > |
| Front wheel alignment | Check the front wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Rear wheel alignment | Check the rear wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Ref. to INSPECTION , Front Strut. > | |
| Rear shock absorber | Check the rear shock absorber. < Ref. to INSPECTION , Rear Shock Absorber. > | |
| Front drive shaft | Check the front drive shaft. < Ref. to , INSPECTION , Front Drive Shaft. > | |
| Rear drive shaft | Check the rear drive shaft. < Ref. to , INSPECTION , Rear Drive Shaft. > | |
| Front hub unit bearing | Check the front hub unit bearing. < Ref. to , INSPECTION , Front Hub Unit Bearing. > | |
| Rear hub unit bearing | Check the rear hub unit bearing. < Ref. to , INSPECTION , Rear Hub Unit Bearing. > | |
| Noise from the underbody | Wheel is out of balance. | Check the wheel balance. < Ref. to ADJUSTMENT , Wheel Balancing. > |
| Front wheel alignment | Check the front wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Rear wheel alignment | Check the rear wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Ref. to INSPECTION , Front Strut. > | |
| Rear shock absorber | Check the rear shock absorber. < Ref. to INSPECTION , Rear Shock Absorber. > |