Parts for your 2020 Toyota Prius-Steering bushes

2020 Toyota Prius steering-bushes: what they do and when to replace them

Yes, steering-bushes are used on the 2020 Toyota Prius. Toyota’s technical literature backs this up: the Prius (ZVW5# series) uses an electric power steering (EPS) rack-and-pinion mounted to the front crossmember with rubber isolators/bushes. This is shown in the Toyota Repair Manual (Steering – Steering Gear – Components/Removal/Installation), the Toyota Electronic Parts Catalogue (group: Steering Gear & Link, which lists the rack mounting cushions/bushes), and the Toyota New Car Features manual for the ZVW50 series, which notes the EPS rack is vibration-isolated from the body to cut noise and harshness.

On this model, the steering-bushes sit between the steering rack housing and the subframe. Their job is simple but important: they cushion the rack, keep it accurately located, and filter road buzz so the wheel feels tidy and quiet. When they age or deform, the rack can shift slightly under load, which shows up as a vague on-centre feel, a knock over sharp bumps, or a clunk when turning at parking speeds.

As part of servicing a 2020 Prius, a quick visual and hands-on check of the steering-bushes is well worth it. With the vehicle safely raised, a tech will:

• Inspect the rack mounts for perishing, cracking, oil swelling, or separation from their sleeves.
• Have a helper lightly rock the steering while watching for rack movement on the subframe.
• Listen for knocks from the rack area on bump/steer inputs.

If replacement’s needed, it’s a straightforward workshop job: support the rack, remove the rack-to-subframe fasteners, swap the bushes (noting orientation), and torque everything to Toyota spec before a wheel alignment. Many owners do bushes when addressing other front-end work, like control arm bushes or a subframe drop, to save on duplicated labour and alignment costs.

There’s no fixed interval, life depends on roads, heat, and fluid exposure. City cars in Aus/NZ often get 100,000–200,000 km out of the original bushes, but if the front end starts to feel floaty or you’re chasing a dull steering clunk, fresh bushes can be a neat, cost-effective tidy-up. Genuine or quality aftermarket rubber matches the Prius’ NVH tuning, firmer performance options will sharpen response but may add a touch more road feel. Either way, keeping the steering-bushes in good nick helps the Prius steer the way it should—light, precise, and quiet.

Popular questions about 2020 Toyota Prius steering-bushes

Do all 2020 Prius models have steering-bushes?
They do. All ZVW5# variants (including hybrid grades sold in AU/NZ) use an EPS rack with rubber mounting bushes/cushions between the rack and the front crossmember. It’s part of Toyota’s NVH strategy to keep the cabin calm without dulling steering accuracy.

What are the signs the steering-bushes need replacing?
Common clues include a light clunk when turning at low speed, a knock over sharp bumps, vague or wandering feel around centre, and visible cracking or deformation of the rack mounts. A technician can confirm by watching for rack movement while the wheel is gently rocked left–right.

Do I need a wheel alignment after replacing steering-bushes?
Yes, best practice is to check and adjust alignment after disturbing the steering rack mounting. Even small shifts can nudge toe settings. An alignment ensures the Prius tracks straight and the tyres wear evenly.