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Parts for your 2002 Toyota Crown-Rack boots
2002 Toyota Crown rack boots — purpose, maintenance, and replacement
According to Toyota’s technical literature for the S170-series Crown (circa 1999–2003) and the Toyota Electronic Parts Catalogue, the 2002 Toyota Crown uses a power-assisted rack-and-pinion steering assembly with bellows-style rack boots on both ends of the rack housing. The factory repair manual diagrams show the “steering gear boot” fitted over each inner tie rod, secured with clamps. That makes rack boots absolutely relevant to the 2002 Crown.
Rack boots (also called steering rack bellows) shield the steering rack bar and inner tie rod joints from grit, water, and road grime. They also help retain a light smear of lubricant on the inner joint. On a healthy hydraulic rack, there shouldn’t be power steering fluid inside the boots, if fluid turns up, it’s usually a sign of an internal seal leak. Left torn or perished, a boot can let in moisture, leading to corrosion on the rack teeth and premature inner tie rod wear.
- Common failure signs: visible cracks or splits, loose/missing clamps, grease or fluid weeping from the boot ends, notchy steering, clunks on bumps, and uneven tyre wear.
Replacement is straightforward for a competent home mechanic or workshop. Quality EPDM rubber boots to OE spec last longer than generic thin neoprene. It’s smart to replace both sides if one has failed, and always check inner tie rod play while the boot is off.
- Raise and support the front, remove the wheel, and mark the tie-rod end position or count exposed threads to preserve toe.
- Release the tie-rod end from the knuckle, loosen the inner clamp, slide the old boot off, and inspect the inner joint for play.
- Lightly grease the rack bar where the boot rides (do not pack the boot), fit the new boot with the correct orientation, and secure with proper clamps rather than cable ties.
- Refit the tie-rod end to the marked position, torque to spec, and book a wheel alignment to nail the toe setting.
As part of servicing, a quick visual check of the Crown’s rack boots at every service or 10,000–15,000 kilometres is good practice. In coastal or gravel-road conditions, inspect more often. If a boot is torn and water has likely entered, plan on immediate replacement and a closer look at the inner tie rods and rack condition. Keeping these little bellows healthy protects an expensive steering rack and keeps the Crown tracking straight and light on the wheel.
How often should rack boots be replaced on a 2002 Toyota Crown?
There’s no fixed interval, they’re replaced on condition. With regular inspections, many last well over 100,000 kilometres. In harsher climates or with lots of gravel-road driving, rubber can age faster, so earlier replacement isn’t unusual.
Is it safe to drive a 2002 Crown with a torn rack boot?
Short-term, it may still steer, but it’s risky. A torn boot can let in water and grit, which can quickly damage the inner tie rod and rack teeth. If fluid is found in the boot, the rack may have an internal leak. It’s best to replace the boot promptly and have the alignment checked.
Do both rack boots need replacing if only one is split?
It’s sensible to replace both sides if the vehicle is the same age across the front end. If one has perished, the other is usually not far behind, and doing both saves time and a second alignment.
