Parts for your 2008 Toyota Vitz|yaris-Rack boots

2008 Toyota Vitz/Yaris rack boots — what they do and when to replace them

Rack boots are absolutely used on the 2008 Toyota Vitz/Yaris (XP90). Toyota’s own Electronic Parts Catalogue lists a “Boot, Steering Rack” for this model, and the Toyota Repair Manual for the XP90 platform includes procedures for removing and installing the rack boot on the steering gear. General service guides (e.g., Haynes) also call these bellows or gaiters and specify inspection on rack-and-pinion setups like the Vitz/Yaris. While many 2008 Yaris/Vitz cars in Australia and New Zealand use electric power steering at the column, they still run a rack-and-pinion with rubber bellows on each side — so the boots are very much relevant.

On this car, the rack boots act as flexible dust and moisture shields for the steering rack ends and inner tie rods. They keep grit, water, and road grime out of the rack’s moving bits, preserving smooth steering and preventing premature wear or corrosion. The boots also help retain the light factory grease at the inner joint. If a boot splits or perishes, contaminants get in, the inner tie rod can grind, and the rack can cop damage — not to mention a likely WOF fail in NZ due to a torn steering gaiter.

For servicing, it’s smart for owners to have the rack boots checked at each service or at least every 10,000–15,000 kilometres, and after any deep water crossing or gravel road stint. Replacement is straightforward workshop work: the wheel comes off, the outer tie rod end is marked and loosened, clamps are removed, and the boot slides off. A quick feel for inner tie rod play is wise before the new boot goes on with proper clamps. Because the tie rod is disturbed, a wheel alignment is recommended to nail the toe back to spec.

Quality matters. Use OE-style bellows with correct-length folds so they don’t kink at full lock, and proper spring or ear clamps rather than cable ties. Boots should be seated without twists so they can breathe as the rack moves. Any sign of grease flung on the subframe, cracking in the folds, or a boot that’s gone hard and shiny means it’s time. Left too long, a cheap boot can turn into an expensive rack.

• Tell-tales: split or perished rubber, loose or missing clamps, steering feel going notchy, or visible grime packed inside the bellows.
• Best practice: replace boots in pairs and book an alignment straight after.

Popular questions about 2008 Toyota Vitz/Yaris rack boots

Do all 2008 Vitz/Yaris models have rack boots even with electric power steering?
Yes. Even with column-assist electric power steering, the car still uses a rack-and-pinion steering gear that has a bellows boot on each side. The electric assist doesn’t eliminate the need for those dust gaiters.

How often should rack boots be inspected or replaced?
They should be inspected at every routine service or at least every 10,000–15,000 kilometres. Replacement isn’t time-based so much as condition-based — if the rubber is cracked, split, or the clamps are loose, replace them straight away to avoid rack damage and a potential WOF knock-back.

Is a wheel alignment needed after changing a rack boot?
Usually, yes. Accessing the boot means disturbing the outer tie rod end. Even if the threads are counted and marked, a fresh alignment is cheap insurance to ensure correct toe and even tyre wear.