DRIVE SHAFT SYSTEM > 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. Propeller Shaft > INSPECTION">
Abnormal wheel vibration
Wheel is out of balance.
Check the wheel balance. Tire and Wheel > INSPECTION">
Front wheel alignment
Check the front wheel alignment. Wheel Alignment > INSPECTION">
Rear wheel alignment
Check the rear wheel alignment. Wheel Alignment > INSPECTION">
Front strut
Check the front strut. Front Strut > INSPECTION">
Rear shock absorber
Check the rear shock absorber. Rear Shock Absorber > INSPECTION">
Front drive shaft
Check the front drive shaft. Front Drive Shaft > INSPECTION">
Rear drive shaft
Check the rear drive shaft. Rear Drive Shaft > INSPECTION">
Front hub unit bearing
Check the front hub unit bearing. Front Hub Unit Bearing > INSPECTION">
Rear hub unit bearing
Check the rear hub unit bearing. Rear Hub Unit Bearing > INSPECTION">
Noise from the underbody
Wheel is out of balance.
Check the wheel balance. Tire and Wheel > INSPECTION">
Front wheel alignment
Check the front wheel alignment. Wheel Alignment > INSPECTION">
Rear wheel alignment
Check the rear wheel alignment. Wheel Alignment > INSPECTION">
Front strut
Check the front strut. Front Strut > INSPECTION">
Rear shock absorber
Check the rear shock absorber. Rear Shock Absorber > INSPECTION">
InstallationCaution
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Security indicator light
The security indicator light in the Subaru Ascent provides important information
regarding the status of both the alarm system and the immobilizer system, helping
to ensure vehicle security at all times.
Alarm system
This indicator blinks to inform the driver that the alarm system of the Subar ...
Dtc p0111 intake air temperature sensor 1 circuit range/performance bank 1
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