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 TABLEINSPECTIONNOISE AND VIBRATION
2016 Subaru Legacy 2.5i
Noise And Vibration
2016 Subaru Legacy 2.5iSECTION Noise And Vibration
NOTE:
- When turning the steering wheel with the brake applied when the vehicle is parked, a screeching noise may be generated by the brake disc and pads. This is not a fault in the steering system.
- There may be a small vibration around the steering devices when turning the steering wheel at standstill, even though the component parts are operating properly.
| Trouble | Possible cause | Corrective action |
|---|---|---|
| Rattling noise (intermittent) While engine is running. | Interference with adjacent parts | Check the clearance. Correct if necessary. |
| Looseness of linkage, play of steering, improper tightening (looseness) of suspension joint or steering column | Retighten or replace. | |
| Noise emitted from inside of the gearbox | Replace the gearbox assembly. | |
| Knocking When turning steering wheel in both directions with small angle repeatedly at engine ON or OFF. |
Excessive backlash Loosened lock nut for adjusting backlash |
Adjust the backlash. When the noise remains after adjustment, replace the gearbox assembly. |
| Insufficient tightening or play in the tie-rod or tie-rod end | Retighten or replace. | |
| Grinding noise (intermittent) While engine is running. (While operating the steering.) | Fault inside of gearbox | Replace the gearbox assembly. |
| Faulty bearing of the column assembly - steering | Apply grease or replace. | |
| Occurs when turning the steering wheel with brakes (service or parking) applied. | If the noise goes off when brake is released, it is normal. | |
| Vibration While engine is running. (with/without steering turned) |
Excessive play in steering, looseness of suspension parts | Retighten. |
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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.