General Diagnostic Table: Inspection
WARNING: This page is about a different car, the 2007 Subaru Outback and 2007 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 CHART
| Symptoms | 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 for deflection of the propeller shaft. <Ref. to RUNOUT OF PROPELLER SHAFT , INSPECTION, Propeller Shaft .> | |
| Loose or gap at connections | Check the joints and connectors. <Ref. to JOINTS AND CONNECTIONS , INSPECTION, Propeller Shaft .> | |
| Check the spline 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 .> |