Parts for your 2014 Mazda Cx-9-Rack boots

2014 Mazda CX-9 rack-boots: what they do, and when to replace them

Yes, the 2014 Mazda CX-9 uses rack-boots. Technical references including the Mazda factory workshop manual for the TB-series CX-9 identify “steering gear dust boots” (bellows on each side of the rack), and Mazda’s Electronic Parts Catalogue lists two boots per vehicle. Major aftermarket catalogues also list rack-and-pinion bellow kits for 2007–2015 CX-9 models, confirming they’re a standard, serviceable item.

On the CX-9, rack-boots protect the steering rack’s inner tie rods and seals from road grime, water, and grit. They’re flexible bellows that move with the steering, keeping contaminants out and grease in. Because the CX-9 uses a hydraulic rack-and-pinion, intact boots are key to keeping the rack’s internals clean and the steering feel consistent.

As part of routine servicing, rack-boots are worth a quick look, especially if the vehicle sees gravel roads, coastal air, or floodwater. A split, perished, or oil-soaked boot can let in dirt that chews out inner tie rods and can eventually compromise the rack. That turns a cheap fix into a pricey steering repair.

What to watch for:

• Visible cracks, splits, or loose/missing clamps on either boot
• Grease flung around the inner guard or subframe
• Power steering fluid weeping from the boot area (a sign the rack seals may already be leaking)
• Notchy steering or uneven tyre wear pointing to inner tie rod wear

Replacement is straightforward for a pro: the outer tie rod end is normally removed, the old boot and clamps come off, the area is cleaned, the new boot slides on, and new clamps are fitted. It’s smart to replace boots in pairs and use proper stainless clamps rather than cable ties. Because the tie rod end is disturbed, a wheel alignment check is recommended afterwards to keep the CX-9 tracking straight and to protect the tyres.

There’s no fixed kilometre interval for rack-boots, inspection at each service is the go. In Aussie and Kiwi conditions—heat, UV, and long trips—boots can harden and crack with age, so a preventative swap on higher-kilometre CX-9s is cheap insurance. If a boot is torn and dirt has reached the inner tie rod, it’s prudent to replace the inner tie rod along with the boot, and carefully assess the rack for play or fluid leaks.

Popular questions about 2014 Mazda CX-9 rack-boots

Do all 2014 CX-9s have rack-boots?
Yes. The CX-9 uses a hydraulic rack-and-pinion with a bellows-style dust boot on each side. Mazda’s workshop documentation and parts catalogue both show two boots per vehicle, matching what’s listed by major aftermarket parts suppliers.

How often should rack-boots be replaced on a CX-9?
There’s no set interval. They should be inspected at every service and replaced if they’re cracked, torn, oil-soaked, or if clamps are loose. In harsh conditions or on higher-kilometre vehicles, proactive replacement helps avoid inner tie rod and rack damage.

Is it safe to drive with a torn rack-boot?
It’s not ideal. A torn boot lets in water and grit that can quickly wear the inner tie rod and the rack’s seals. Short trips to a workshop are usually fine, but continued driving risks a much bigger steering repair bill.