Parts for your 2013 Toyota Prius-Rack boots

2013 Toyota Prius rack boots: what they do and when to replace them

Based on Toyota’s Technical Information System (TIS) repair manual for the 2013 Prius (ZVW30) and the Toyota Electronic Parts Catalogue (EPC), this model uses an electric power–assisted rack-and-pinion steering gear fitted with two steering rack boots (also called bellows, gaiters, or rackboots). These sources specify removal/installation of left and right rack boots and their clamps as part of inner tie-rod and steering gear service, confirming that rackboots are absolutely relevant on the 2013 Toyota Prius.

On this Prius, the rack boots sit over the inner tie rods at each end of the steering rack. Their job is pretty simple but critical: keep dust, water, and grit out of the steering gear, retain the correct grease around the inner ball joints, and allow the rack to move freely without contamination. Because the car uses electric power steering, a torn boot can let moisture creep towards sensitive components, including the rack bar, seals, and torque sensor area—stuff you really don’t want to corrode.

When a rack boot splits, grease can fling out and road grime can get in. Left long enough, that can chew out the inner tie rod, score the rack, and lead to heavier steering, play, or uneven tyre wear. In Aussie and Kiwi conditions—UV, coastal salt air, gravel and corrugations—boots can harden and crack sooner, and a split boot can be a fail item at WOF/RWC time.

Good servicing practice is to inspect the Prius rack boots at every service or at least each 10,000–15,000 km. Look for perished rubber, oiliness, or loose clamps. If a boot is damaged, replace it promptly. During replacement, follow Toyota TIS procedures: support the vehicle safely, mark and count tie-rod end turns, use the specified steering gear grease for the inner joint, and fit new clamps oriented as shown in the manual. Don’t twist the boot, and make sure any venting is clear so the bellows can compress and extend smoothly. After reassembly, a wheel alignment is strongly recommended because toe can shift even if the thread count was noted. Use new cotter pins where applicable and tighten fasteners to the Toyota torque specs listed in TIS.

• Tell-tales a boot needs attention: visible cracks or splits, grease sling on the control arm or subframe, damp/gritty residue under the boot, or noticeable steering play.
• Helpful tips: replace clamps rather than reusing tired ones, avoid generic zip ties, and consider doing both sides if the opposite boot shows early signs of ageing.

Kept sealed and supple, the 2013 Toyota Prius rackboots quietly protect the steering for years, saving owners from far pricier rack repairs.

FAQ: How often should 2013 Prius rack boots be replaced?

They’re not a time-based service item, they’re replaced on condition. Have them checked at every service. In hot, sunny, or coastal areas, plan on closer inspections because rubber ages faster. If a boot is split, perished, or greasy, replace it straight away.

Many owners get well over 150,000 km on original boots, but environment and driving conditions make a big difference, so regular checks are the key.

FAQ: Can the rack boots be changed without getting a wheel alignment?

You can count threads and mark positions to keep toe close, but it’s best practice to book a wheel alignment after any tie-rod or rack boot work. Even a small change can cause uneven tyre wear or a pull on the road.

An alignment is inexpensive insurance that the Prius tracks straight and looks after the tyres.

FAQ: Are Prius rack boots the same as CV boots?

No. Rack boots protect the steering rack and inner tie rods, while CV boots seal the constant-velocity joints on the driveshafts. Different shapes, different locations, different greases, different jobs.

If either type splits, sort it quickly to prevent contamination and bigger bills down the line.