Parts for your 2011 Mitsubishi Outlander-Rack boots

2011 Mitsubishi Outlander rack boots: what they do and when to replace them

Rack boots are absolutely used on the 2011 Mitsubishi Outlander. The Mitsubishi factory service manual for the 2011 Outlander (Steering section) specifies bellows-type dust boots on both ends of the rack-and-pinion steering gear, and the Mitsubishi ASA parts catalogue lists steering rack bellows/boots for CW-series Outlanders. Independent repair data publishers and parts catalogues for 2007–2013 Outlander models also confirm these boots are standard fitment.

On this Outlander, the rack boots (also called rack bellows or gaiters) seal the inner tie rods and the ends of the steering rack from dust, water, and road grit. They keep grease where it belongs and stop contaminants chewing out the inner joints and rack seals. If a boot tears, grit can get in and grease can get out, which speeds up wear and can lead to slop in the steering or even a leaking steering rack. If hydraulic fluid is found pooled inside a boot, that’s a tell-tale the rack’s internal seal is leaking and the rack may need repair or replacement.

As part of regular servicing on a 2011 Outlander, it’s smart to visually check both rack boots at each service interval (every 10,000–15,000 km). Look for cracks, splits at the folds, perished rubber, loose or missing clamps, or grease/oil staining. Boots often fail from age, heat, and steering lock-to-lock movement, so city cars aren’t immune.

• Replace boots at the first sign of damage—don’t wait for steering play to appear.
• Use quality OE-spec rubber or TPE boots and proper stainless clamps, not cable ties.
• When a boot is off, inspect the inner tie rod for axial and radial play and re-grease as specified in the service data.
• If fluid is present in the boot, plan for rack seal work rather than just a new boot.

Boot replacement is a straightforward job for a workshop: the outer tie rod end is removed, the old boot and clamps come off, the new boot is installed with the correct orientation, and clamps are crimped to spec. Because the tie rod end is disturbed, a wheel alignment is recommended to keep tyre wear even and steering tracking straight. Torque settings and clamp positions should follow the Mitsubishi service manual. Getting on top of the boots early keeps the Outlander’s steering tight, protects the rack, and can save a packet compared to rack overhaul down the track.

How often should rack boots be replaced on a 2011 Outlander?

There’s no fixed kilometre interval—they’re replaced on condition. Check them at every service and swap them out as soon as cracks, splits, or loose clamps show up. In hotter climates or with lots of stop-start driving, expect ageing to set in sooner.

Can you keep driving with a torn rack boot?

It’ll drive, but it’s risky. A torn boot lets grit into the inner joint and can lead to rapid wear or rack seal damage. If the tear is noticed, book it in promptly to avoid bigger bills.

Do you need a wheel alignment after replacing rack boots?

Yes, in most cases. The outer tie rod end is usually removed or adjusted during the job, which can alter toe. A post-repair alignment keeps the steering true and protects tyres.