Parts for your 2014 Mazda 3-Rack boots

2014 Mazda 3 rack-boots: what they do and when to replace them

Yes, the 2014 Mazda 3 (BM/BN) uses rack-boots. Mazda’s workshop material for the BM/BN series steering system, the Mazda electronic parts catalogue (EPC), and common aftermarket catalogues all show left and right steering rack bellows (boots) fitted to the rack-and-pinion assembly. These sources label the component simply as the steering gear boot/bellows and list separate clamps. That makes rack-boots absolutely relevant to the 2014 Mazda 3.

On this model, the rack-boots are the accordion-style rubber bellows at each end of the steering rack. Their job is to keep grit, water, and road grime out of the inner tie rods and the rack itself, while allowing the rack to travel freely. Even though the Mazda 3 runs electric power steering, the rack still needs those protective boots—if a boot splits, water can track in, corrode the rack, and chew out the inner tie rod joint, which can get very pricey very quickly.

As part of regular servicing, it’s smart to give the boots a proper look. A shop will usually check them during a WOF/roadworthy or scheduled service, but owners can keep an eye out for small cracks, oil or grease weeping, loose or missing clamps, or a boot that’s gone soft and sticky. Any split or missing clamp is a fix-now job.

When replacing, go for quality boots that match the OEM profile and use proper stainless or ear-type clamps—no cable ties. With the 2014 Mazda 3, the rack is sealed and the inner end isn’t meant to be packed with grease, usually only a light smear is specified. If the old boot came off with water or grit inside, the inner tie rod and rack end should be inspected closely for play or corrosion. An alignment is recommended after tie rod or boot work, because toe can shift when the tie rod is disturbed.

• Typical signs of trouble: split rubber, clicking or clunking on turns, uneven tyre wear, or fresh grease flung near the inner wheel area.
• Inspection tip: gently compress the bellows to feel for cracks you can’t see—ageing rubber often splits in the folds.
• Service cadence: check every service, replace at the first sign of cracking or damage. It can save a rack rebuild and a failed WOF/rego check.

Technical references noted: Mazda 3 (BM/BN) Workshop Manual – Steering Gear and Linkage, Mazda EPC parts listings for BM/BN steering gear boots and clamps, aftermarket steering bellows catalogues for 2013–2018 Mazda 3.

Popular questions about 2014 Mazda 3 rack-boots

How can someone tell if the rack-boots on a 2014 Mazda 3 need replacing?
They’ll usually spot cracking in the folds, grease splatter inside the wheel arch, or a loose/missing clamp. If the boot is split, water can enter and the inner tie rod may start to knock. A mechanic can lift the car, turn the steering lock-to-lock, and check the boots under light to pick up fine splits.

Will a split rack-boot fail a WOF or rego inspection in AU/NZ?
Often, yes. Damaged or unsecured steering rack boots are commonly noted as a safety defect because they allow contamination of steering components. Sorting a boot early is far cheaper than dealing with inner tie rod or rack wear later on—and it keeps the car compliant.

Do the rack-boots need to be greased during service?
No packing is required. The rack on the 2014 Mazda 3 is effectively sealed. A light smear on the inner joint/boot contact surfaces may be specified, but over-greasing can trap grit. The key is an intact boot and correct clamps so the system stays clean and dry.