Parts for your 2011 Mazda Cx-5-Rack boots

Rack boots for a 2011 Mazda CX-5

Technical sources confirm rack boots are used on this vehicle. The Mazda CX-5 KE series (the first CX-5 sold in AU/NZ) is covered by the Mazda CX-5 (KE) Workshop Manual, Steering System section, and the Mazda Electronic Parts Catalogue for KE models, both of which show an electric power steering rack with rubber bellows-style rack boots on each side. While there isn’t a 2011 model year CX-5 in AU/NZ, many vehicles were built in late 2011 as 2012 MY KE series, and they do use rack boots—so the part is relevant.

On the CX-5 KE, the rack boots are the flexible rubber bellows that seal the inner tie-rod ends and the ends of the steering rack. Their job’s simple but crucial: keep water, road grit, and dust out of the rack-and-pinion and retain the factory grease so the inner joints glide smoothly. Because the CX-5 runs an electric power steering rack, keeping contaminants out is especially important—grit inside the rack can score the rack bar and chew through seals, turning a cheap boot job into an expensive steering rack replacement.

As part of regular servicing, it’s smart to inspect the rack boots at every oil change or WOF/RWC check. Look for perishing, cracking, splits, loose or missing clamps, and any oil or grease weeping from under the boot. If a boot is torn, get it sorted promptly. The replacement itself is pretty straightforward on the CX-5: the outer tie rod is removed, the old boot and clamps come off, the new boot slides on, and new clamps are fitted. Mark the tie-rod thread before removal and finish with a wheel alignment so the steering tracks straight.

Many techs will choose OEM-style boots and clamps because they fit snugly and vent correctly as the rack moves. Universal boots can do the job in a pinch but may not last as long. If there’s fluid or heavy grease inside a torn boot, ask the workshop to check the rack seals—there could be more going on than just a perished boot. Driving with a split boot isn’t wise, water can get in quickly, especially with Kiwi and Aussie rain, beach runs, or gravel roads, and that can shorten the life of the steering rack.

• Inspect at every service or 10,000–15,000 km.
• Replace immediately if cracked, split, or clamps are loose.
• Use quality clamps, avoid cable ties.
• Always carry out a wheel alignment after replacement.

Popular questions about 2011 Mazda CX-5 rack boots

Does a 2011 Mazda CX-5 have rack boots?

The first CX-5 for AU/NZ is the KE series, sold as a 2012 model, though many were built in late 2011. Those vehicles have rack-and-pinion steering with rubber rack boots on both sides of the rack.

How often should rack boots be replaced on a CX-5?

There’s no fixed interval—boots are replaced on condition. Expect 6–10 years in typical use, but heat, gravel, and UV can shorten life. Inspect every service and replace at the first sign of cracking, splits, or loose clamps.

Can you drive with a torn rack boot?

It’ll drive, but it’s risky. A torn boot lets water and grit into the rack, which can damage the inner joint and seals and may lead to a failed WOF/RWC. Best to book the repair soon and get a wheel alignment after.