General Diagnostic Table: Inspection
WARNING: This page is about a different car, the 2006 Subaru Impreza. 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
| 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 LOCATIONS , INSPECTION, Propeller Shaft. > | ||
| Abnormal wheel vibration | Wheel is out of balance. | Check the wheel balance. < Ref. to INSPECTION , Wheel Balancing. > |
| Wheel alignment | Check the wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Ref. to INSPECTION , Front Strut. > | |
| Rear strut | Check the rear strut. < Ref. to INSPECTION , Rear Strut. > | |
| 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 axle | Check the front axle. < Ref. to INSPECTION , Front Axle. > | |
| Front hub unit bearing | Check the front hub unit bearing. < Ref. to INSPECTION , Front Hub Unit Bearing. > | |
| Rear axle | Check the rear axle. < Ref. to INSPECTION , Rear Axle. > | |
| Noise from the underbody | Wheel is out of balance. | Check the wheel balance. < Ref. to INSPECTION , Wheel Balancing. > |
| Wheel alignment | Check the wheel alignment. < Ref. to INSPECTION , Wheel Alignment. > | |
| Front strut | Check the front strut. < Ref. to INSPECTION , Front Strut. > | |
| Rear strut | Check the rear strut. < Ref. to INSPECTION , Rear Strut. > |