Parts for your 2015 Toyota Vitz|yaris-Rack boots

2015 Toyota Vitz/Yaris rack-boots — what they do and when to replace them

Relevant technical sources confirm the 2015 Toyota Vitz/Yaris (XP130 series: KSP130/NCP130/NSP130) uses steering rack boots. Toyota’s Repair Manual for the P13 series (Steering – Steering Linkage and Gear, Rack and Pinion) specifies a “Boot, Steering Gear” fitted at each end of the rack to protect the inner tie rods, and the Toyota Electronic Parts Catalogue lists these boots for left and right sides under the steering gear assembly. Local inspection standards also back this up — split steering rack boots are a known WOF/RWC fail item noted in service bulletins and inspection manuals.

On this model, the electric power steering still uses a rack-and-pinion. The rack boots (also called bellows or gaiters) keep dust, water, and road grit out of the inner tie rod joints and the rack bar. They also help the rack breathe as it moves side to side without letting contaminants in.

For owners, the boots are a small part that protects very expensive components. If a boot splits, muck can chew out the inner tie rod and even the rack, leading to vague steering and costly repairs. A quick visual check at each service — or at least every 10,000–15,000 km — is worth it.

• What to look for: cracking, oil or grease weeping, loose or missing clamps, or a boot that’s twisted or collapsed.
• When to replace: any split, deep cracking, or if contamination is evident. Don’t wait — it escalates quickly.

Replacement is straightforward for a trained tech: wheel off, outer tie rod end off (marking its position to preserve alignment), old boot and clamps off, clean and inspect the inner joint and rack, then fit a quality boot with proper stainless or OE-style clamps. They’ll ensure the boot isn’t twisted and that any venting path isn’t blocked. Final step is torquing fasteners to spec and checking/setting wheel alignment. DIYers should note that incorrect refit can affect toe and steering feel, so a post-job alignment is smart practice.

There’s no set change interval — boots are replaced on condition. Driving on gravel, exposure to ozone and heat, or contact with oils can age the rubber faster. Keeping an eye on them during routine servicing saves dollars and drama down the line.

• Does the 2015 Vitz/Yaris actually have rack boots?
  Yes. The XP130 series uses an electric-assist rack-and-pinion with a “Boot, Steering Gear” on each end. They’re sometimes called rack gaiters or bellows and are listed in Toyota’s EPC for LH and RH sides.
• How can someone tell the rack boots need replacing?
  Any visible split, deep cracking, grease or oil on the bellows, or loose/missing clamps are red flags. A WOF/RWC inspector will also ping perished or torn boots. If contamination has entered, inner tie rod wear and rough steering can follow.
• Is it OK to drive with a torn rack boot?
  Short distances to a workshop may be fine, but it shouldn’t be put off. Water and grit can quickly damage the inner joint and the rack, turning a simple boot swap into a bigger steering repair and an alignment bill.