Parts for your 2020 Ford Focus-Rack boots

2020 Ford Focus rack boots — what they do and when to replace them

Yes, rack boots are fitted and relevant on the 2020 Ford Focus. The Ford Workshop Manual for the 2019–2021 Focus (C519) shows the electric power-assisted steering (EPAS) rack with bellows-style boots on both ends of the steering gear. Ford’s electronic parts catalogue also lists a steering gear boot (bellows/gaiter) for this model, and service guides such as Haynes and Autodata include inspection of “steering rack gaiters” for the Mk4 Focus EPAS system. That technical documentation confirms the vehicle uses rack boots.

On this Focus, the rack boots are flexible bellows that seal the ends of the EPAS rack and cover the inner tie-rod joints. Their job is to keep water, grit and road grime out of the rack seals and the inner joints, helping the steering stay light, quiet and precise. They also allow air movement as the rack travels side to side without sucking dirt into the housing.

When a boot splits, perishes, or its clamp loosens, contaminants can enter and attack the inner tie-rod joint and the rack’s end seal surfaces. Left too long, that can lead to corrosion, play in the steering, notchiness, or a tell-tale clack on small bumps. Even though the Focus uses EPAS (no power steering fluid), a torn boot can still let water in and purge protective grease out, which shortens component life.

As part of routine servicing, it’s smart to check the rack boots every 10,000–15,000 km (or at each service):

• Turn the wheel lock-to-lock and inspect both boots for cracks, splits, or oil/grease spray.
• Make sure the small and large clamps are seated and tight.
• After heavy rain, floods, or gravel-road work, recheck for moisture or grit inside the bellows.

If replacement’s needed, use quality boots and the correct clamp type (don’t rely on flimsy zip ties). Avoid twisting the bellows during fitment and ensure the boot seats on the rack and tie-rod shoulders. If the inner tie rod is disturbed, torque it to spec and always get a wheel alignment—marking threads helps, but toe can still shift. Any oil found inside the boot on this EPAS Focus isn’t power steering fluid, it may be rack grease or contamination, so investigate rather than ignore. With good boots in place, the Focus’s steering stays tight and trouble-free for years.

Popular questions about 2020 Ford Focus rack boots

How long do rack boots usually last on a 2020 Focus?
In typical Aussie and Kiwi conditions, they often last 5–10 years, but gravel roads, UV, and road grime can age the rubber faster. A quick look every service catches small cracks before they turn into open splits.

Can rack boots be replaced without needing a wheel alignment?
If the outer tie rod is untouched and you’re only swapping the boot and clamps, alignment might remain close. In practice, even minor movement can alter toe, so a post-job alignment is recommended to keep tyre wear even and steering straight.

There’s oil inside the rack boot—does that mean a steering fluid leak?
The 2020 Focus uses EPAS and has no power steering fluid. Oil inside the boot could be expelled rack grease or contamination from elsewhere. Either way, a torn or loose boot needs fixing and the source of the oil should be identified.