Parts for your 2011 Subaru Outback-Rack boots

2011 Subaru Outback rack-boots: what they do and when to replace them

The 2011 Subaru Outback uses rack-boots (also called steering rack bellows) on its rack-and-pinion steering gear. This is documented in the Subaru Factory Service Manual for the 2010–2014 Outback/Legacy (Steering section – “Bellows” inspection/replacement) and in Subaru’s genuine parts catalogue, which lists a “Boot – Steering Gear” for this model. Major aftermarket catalogues also list steering rack bellows kits for the 2011 Outback, confirming they’re a serviceable part on the vehicle.

On this Outback, the rack-boots are flexible bellows that seal each end of the steering rack where the inner tie rod connects. Their job is to keep road grit, water and dust away from the rack shaft and inner tie rod joint, while allowing the steering to move freely from lock to lock. When a boot splits or hardens, contaminants can get in and chew out the inner tie rods and the rack’s seals, eventually causing play in the steering or a power-steering fluid leak on hydraulic-equipped models.

As part of regular servicing, it’s smart to have the rack-boots checked for cracks, splits, oil soaking or loose clamps. There’s no fixed replacement interval, but any damage means it’s time for new boots. If a boot is torn, the inner tie rod and steering gear should be inspected for wear because dirt may have already made its way inside. Replacing a boot early is far cheaper than a rack rebuild.

• Signs a new rack-boot is needed: visible tears or perishing, damp/oily residue around the boot, dirt tracked inside the bellows, or a knocking/clunk from the inner tie rod area.
• Good practice on replacement: use quality boots with the correct diameter ends, renew the clamps, and avoid over-packing with grease (they’re not CV boots). Mark the outer tie-rod position before removal so toe is close on reassembly.
• Wheel alignment: even if the tie-rod length is counted, a wheel alignment is recommended after boot or inner tie-rod work to protect your tyres and steering feel.

Whether tackling it at home or booking it in, keeping the rack-boots in top nick helps the 2011 Outback steer smoothly for years, especially with Aussie and Kiwi road grime and weather in the mix.

Popular questions about 2011 Subaru Outback rack-boots

How do you know if the rack-boots on a 2011 Outback are worn or split?
Tell-tales are visible cracks, splits, or missing clamps. If the bellows look shiny with oil or there’s grit inside the folds, the seal has likely failed. Any new steering play or a light clunk near the inner tie rod can also point to a damaged boot or joint.

Can you drive with a torn rack-boot?
It’ll usually still steer, but it’s risky. A torn boot lets in water and grit that can quickly wear the inner tie rod and the rack shaft/seals. Short trips to a workshop are one thing, extended driving risks a much pricier steering repair.

Do you need a wheel alignment after replacing rack-boots?
It’s recommended. Even if the outer tie rod is counted back on, small changes can alter toe. An alignment protects your tyres and ensures the Outback tracks straight and feels right at the wheel.