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Parts for your 2011 Subaru Legacy-Rack boots
2011 Subaru Legacy rack-boots: what they do and when to replace them
Yes, rack-boots are fitted to the 2011 Subaru Legacy (BM/BR). This is confirmed by Subaru’s Factory Service Manual for the 2010–2012 Legacy/Outback steering section, which shows bellows-style “steering gearbox boots” on both sides of the rack, and by the Subaru electronic parts catalogue (FAST/EPC), which lists a left and right “Boot – Steering Gear” for this model. General service guides such as Haynes and Chilton for the 2010–2014 Legacy/Outback also specify inspection and replacement of rack bellows during tie-rod service. Whether the car runs hydraulic or electric power assist, the rack uses these protective boots.
The purpose of the rack-boots is simple but vital: they seal and protect the inner tie rods and the ends of the steering rack from grit, water and road spray. The bellows keep grease in and nasties out, helping the rack last longer and keeping the steering feel tidy. When a boot splits, grit can chew out the inner tie-rod socket and even let moisture reach the rack itself, leading to play, stiffness, or corrosion.
- Common signs a rack-boot needs attention: visible tears or oil/grease flung around the wheel well, cracked rubber, steering play or clunks, WOF/roadworthy rejection for a split boot.
For servicing in Australia or New Zealand, it’s smart to check the boots at every service or at least every 10,000 km. Replacement isn’t on a fixed interval—swap them as soon as they’re cracked, torn, loose, or oil-soaked. If an inner tie rod is being replaced, fresh boots and clamps should go on at the same time.
- Safely raise the front, remove the front wheels, and turn the steering for access.
- Mark the toe or count turns and remove the outer tie-rod end from the knuckle.
- Cut the old clamps, slide off the damaged boot, and clean the rack end.
- Lightly re-grease the inner joint, fit the new boot with quality clamps (don’t reuse stretched bands).
- Refit the tie-rod end to the marked position and torque to spec, then book a wheel alignment.
A good workshop will also check for inner tie-rod wear before refitting. Avoid twisting or over-compressing the new boot, and don’t turn the steering with the boot off. After any boot or tie-rod work, a proper alignment keeps tyres happy and steering spot-on. Given local dust, rain, and coastal conditions, keeping those bellows intact is cheap insurance for a Legacy’s steering rack.
Popular questions about 2011 Subaru Legacy rack-boots
Do all 2011 Subaru Legacy models use rack-boots?
Yes. The Subaru Factory Service Manual for BM/BR chassis and the Subaru parts catalogue both show bellows-style steering rack boots on left and right sides across the range. Power-assist type doesn’t change the need for these protective bellows.
How often should the rack-boots be replaced or inspected?
Inspect at every service or at least every 10,000 km. Replace immediately if cracked, torn, loose, or oil-soaked, or whenever an inner tie rod is changed. There’s no fixed mileage life—condition rules.
Will a split rack-boot fail a WOF or roadworthy?
Commonly, yes. A split boot can allow contamination and lead to steering wear, so it’s often a fail item in NZ WOF and Australian roadworthy checks. Replacing the boot and confirming no tie-rod play usually sorts it.
