Parts for your 2015 Subaru Legacy-Steering bushes

2015 Subaru Legacy steering bushes — what they do and when to replace

For the 2015 Subaru Legacy (BN/BS, known as Liberty in Australia), steering bushes are relevant and used. Subaru’s factory service manual for the 2015 Legacy/Outback (Steering/Electric Power Steering sections) details a rack-and-pinion EPS unit mounted to the front crossmember with rubber insulators/bushes, and Subaru’s electronic parts catalogue (Steering Gear & Linkage group) illustrates these mounting insulators as part of the rack support. Some markets list them as part of the rack assembly rather than routine service parts, but the vehicle does use steering rack mounting bushes.

Those bushes act like little shock absorbers between the steering rack and the subframe. They quell vibration, keep the rack located under load, and help the Legacy feel planted and predictable. When they age or soften, drivers can notice extra play on-centre, a faint knock over sharp bumps, or a vague, drifting feel on country roads. Because the BN/BS uses electric power steering, there’s no power-steering fluid to leak onto the bushes, but engine oil or age and heat can still harden or degrade the rubber.

They’re not a scheduled “replace by X km” item, but they’re worth a look during routine services, especially if the car has clocked up plenty of kilometres on rough chipseal. A workshop can quickly check for rack movement by gently levering the rack housing while the vehicle is on a hoist.

• Common signs: vague steering, clunks over corrugations, or the rack shifting when steered at standstill.
• Service tip: if one bush is obviously perished, plan to replace as a matched set for even support.
• Parts choice: OEM rubber keeps noise and harshness low, performance polyurethane tightens feel but can add some NVH.

On the BN/BS Legacy, the rack mounts may be designed as insulators that are integral with the rack brackets, in some cases Subaru supplies them only with a complete rack. If the bushes are serviceable on the specific VIN, replacement is typically a straightforward subframe-mounted job. If they’re not sold separately, the practical remedy for severe wear is a rack assembly. Either way, it’s smart to book a wheel alignment afterwards, as even minor subframe or rack movement during the job can nudge toe settings. With sound bushes in place, the Legacy steers with the crisp, confident feel owners expect.

Popular questions about 2015 Subaru Legacy steering bushes

Do 2015 Legacy steering bushes come separately or only with the rack?
Many BN/BS cars use rack mounting insulators that Subaru supplies as part of the rack assembly in certain markets. Availability varies by VIN and region. A parts desk can confirm if separate bushes are catalogued for a given car, and some aftermarket options may exist where OEM doesn’t list them individually.

What are the tell-tale signs mine are worn?
Listen and feel for a light knock over sharp bumps, a vague or wandering feel on the motorway, or visible rack movement on a hoist when the steering is turned. Uneven or rapid tyre wear can also hint at compliance issues, including tired rack bushes.

How long does replacement take, and do I need an alignment?
If the bushes are serviceable separately, many workshops allow around 1–2 hours. If the rack must be replaced as an assembly, budget additional time. A wheel alignment afterwards is recommended to make sure toe is bang-on and steering feels consistent.