Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGPOWER STEERING SYSTEM (SERVICE INFORMATION)GENERAL DIAGNOSTIC TABLEINSPECTIONNOTES

2016 Subaru Legacy 2.5i

General Diagnostic Table: Inspection: Notes

2016 Subaru Legacy 2.5iSECTION Notes

Trouble	Possible cause	Corrective action
Steering effort is heavy in all ranges. Steering effort is heavy at stand still. Steering wheel vibrates when turning.	1. Tire and wheel Improper tire out of specifications Improper wheel out of specification Tires not properly inflated	Replace or reinflate the tire and wheel.
	2. Measure the steering wheel effort. < Ref. to MEASUREMENT OF STEERING EFFORT , INSPECTION, General Diagnostic Table. >	Adjust or replace the faulty parts.
Vehicle leads to one side or the other. Returning force of steering wheel to center is poor. Steering wheel vibrates when turning.	1. Tire and wheel Flat tire Mixed use of different tires Mixed use of different wheels Abnormal wear of tire Unequal tread remaining Unequal pressure of tire	Adjust, repair or replace the tire and wheel.
	2. Front wheel alignment Improper or unequal caster Improper or unequal toe-in Loose suspension connections	Adjust or retighten.
	3. Measure the steering wheel effort. < Ref. to MEASUREMENT OF STEERING EFFORT , INSPECTION, General Diagnostic Table. >	Adjust or replace the faulty parts.

NOTE: When performing repeated steering operation with the vehicle at standstill, the steering effort may be temporarily heavy because the heat generated in the system activates the power steering protection control. This is not a malfunction caused by the steering system. After a while, it will return to normal steering effort. (In this case, the steering warning light will not come on and there will be no DTC.)

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.