Parts for your 2016 Toyota Wish-Rack boots

2016 Toyota Wish rack boots — what they do, why they matter, and when to replace

Yes, the 2016 Toyota Wish does use rack boots. The model runs a rack‑and‑pinion steering gear with electric power assist (EPS), and Toyota’s Electronic Parts Catalogue (EPC) for the ZGE20/ZGE25 series lists a “Boot, Steering Rack” on each side of the rack. The Toyota repair manual for the ZGE platform also includes inspection and replacement steps for the steering rack boots and clamps, so they’re absolutely relevant on this vehicle.

On a 2016 Toyota Wish, rack boots (also called bellows) are the flexible rubber sleeves that seal each end of the steering rack. Their job is simple but crucial: keep grit, water, and road grime out of the inner tie rod joints and rack seals, while allowing smooth side‑to‑side movement as the steering works. When a boot splits, the inner joint can dry out or swallow muck, which wears the joint and can let moisture reach the rack. Left too long, that can mean not just a WOF/RWC fail, but an inner tie rod or even a full steering rack on the shopping list — not cheap.

As part of regular servicing, a quick visual under the front end goes a long way. A healthy boot is supple, not cracked, and clamped tightly at both ends. If there’s a split, oil‑soaked rubber, or a missing clamp, it’s time to book it in. Because these boots protect the inner tie rods, most workshops recommend replacing them in pairs and fitting new clamps. On EPS‑equipped Wishes, there’s no power‑steering fluid to worry about, but the protection role of the boots is the same as any hydraulic system. If an inner tie rod is disturbed, expect to need a wheel alignment.

• Typical check interval: every service (about 10,000–15,000 km) or at any steering knock/tyre wear concern.
• Replace if: split, perished, off the seat, full of grit, or leaking grease from the inner joint.
• Fitment tips: use quality boots and new clamps, seat the boot correctly on the rack and tie‑rod grooves, don’t twist the bellows, verify free steering travel, finish with an alignment if toe was altered.

Technical sources referenced: Toyota Electronic Parts Catalogue (ZGE20/ZGE25 Wish: Steering Gear – Boot, Steering Rack, VIN‑dependent part numbers and supersessions), and Toyota Repair Manual for the ZGE platform (Steering – Rack and Pinion – Inspection/Replacement of steering rack boots and clamps).

Popular questions about 2016 Toyota Wish rack boots

How can someone tell if the rack boots on a 2016 Toyota Wish are failing?

They’ll look split, perished, or oily, or the clamps might be loose. There can be wet grease flung onto the subframe, uneven front tyre wear, or a light steering knock over bumps.

A quick torch check from lock to lock usually shows up a tear. If there’s grit inside the boot, the inner tie rod may also need replacing.

Is it safe to keep driving with a torn rack boot?

Short trips to a workshop are generally fine, but extended driving isn’t wise. A torn boot lets water and dirt attack the inner joint and rack seals, which can snowball into bigger, pricier steering repairs.

In NZ, a split boot can fail a WOF, in Australia it can fail a roadworthy. Best to sort it promptly.

Do rack boots need an alignment after replacement?

If the inner or outer tie rod is removed or adjusted, yes — get a wheel alignment. If the boot can be swapped without touching the tie rod length, an alignment may not be needed, but most shops will still check toe to be safe.

An alignment after steering work helps protect tyres and keeps the Wish tracking straight.