General Diagnostic Table: Inspection

NOTE: Vibration while cruising may be caused by an unbalanced tire, improper tire inflation pressure, improper wheel alignment, etc.

Symptoms	Possible cause	Corrective action
Noise or vibration from propeller shaft	Center bearing Runout of propeller shaft Loose or gap at connections	Inspect the propeller shaft. Refer to INSPECTION , Propeller Shaft.
Abnormal wheel vibration	Wheel is out of balance.	Check the wheel balance. Refer to TIRE AND WHEEL .
	Front wheel alignment	Check the front wheel alignment. Refer to WHEEL ALIGNMENT .
	Rear wheel alignment	Check the rear wheel alignment. Refer to WHEEL ALIGNMENT .
	Front strut	Check the front strut. Refer to FRONT STRUT .
	Rear shock absorber	Check the rear shock absorber. Refer to REAR SHOCK ABSORBER .
	Front drive shaft	Check the front drive shaft. Refer to DS-55, INSPECTION , Front Drive Shaft.
	Rear drive shaft	Check the rear drive shaft. Refer to DS-64, INSPECTION , Rear Drive Shaft.
	Front hub unit bearing	Check the front hub unit bearing. Refer to DS-29, INSPECTION , Front Hub Unit Bearing.
	Rear hub unit bearing	Check the rear hub unit bearing. Refer to DS-46, INSPECTION , Rear Hub Unit Bearing.
Noise from the underbody	Wheel is out of balance.	Check the wheel balance. Refer to TIRE AND WHEEL .
	Front wheel alignment	Check the front wheel alignment. Refer to WHEEL ALIGNMENT .
	Rear wheel alignment	Check the rear wheel alignment. Refer to WHEEL ALIGNMENT .
	Front strut	Check the front strut. Refer to FRONT STRUT .
	Rear shock absorber	Check the rear shock absorber. Refer to REAR SHOCK ABSORBER .