Parts for your 2017 Ford Focus-Cv boots

2017 Ford Focus CV Boots: Purpose and Servicing Advice

Based on technical sources including the Ford Workshop Manual (WSM) for Focus 2015–2018, Section 205-04 Front Drive Halfshafts, the Ford Motorcraft/Omnicraft parts catalogue, and mainstream service data (Haynes Repair Manual 2012–2018 and AlldataDIY), CV boots are indeed fitted to the 2017 Ford Focus. These sources specify inner and outer constant velocity joints on the drive shafts, each protected by flexible boots, with detailed procedures and part listings for inspection and replacement.

On a 2017 Ford Focus, CV boots are small but critical. They’re the flexible rubber or TPE sleeves that seal grease around the constant velocity joints on the front drive shafts (and on the rear shafts as well on AWD/RS models). Their job is simple: keep the good stuff in (moly grease) and the bad stuff out (water, grit, road crud). That clean, well-greased environment lets the CV joints articulate smoothly while the wheels steer and the suspension moves, without vibration or clicking.

While they don’t have a fixed replacement interval, CV boots should be inspected at every service. A quick look for sling marks (grease flung inside the wheel or along the undertray), hairline cracking, loose clamps, or splits can save a much bigger bill later. Once a boot tears, grease escapes and contamination gets in, the joint can start clicking on turns and will wear out rapidly.

• Common signs to watch for:
  • Grease spray around the inner guard, strut, or wheel
  • Cracks or perishing in the boot folds
  • Clicking or clacking when turning, especially at low speed
  • Vibration on acceleration if the joint has been running dry

If a boot is compromised but the joint is still healthy, a quality boot kit with fresh moly grease and new clamps is the go. Avoid “split” universal boots unless it’s an emergency get-you-home fix, a proper one-piece boot installed with the shaft out is far more durable. Torque specs and clamp tension matter—follow the WSM figures to prevent leaks. Where the joint has already started clicking or there’s rust and grit inside, replacing the whole shaft assembly is usually quicker and better value than trying to rebuild one joint.

Owners of the Focus RS should note there are additional rear CV boots to check. For everyone else, a regular look at the front boots—say, every 10,000–15,000 km or during routine servicing—will keep the driveline quiet, smooth, and drama-free.

FAQs

How often should CV boots on a 2017 Ford Focus be checked?
They’re best inspected at every routine service or around every 10,000–15,000 km. If the vehicle sees lots of gravel roads, heavy rain, or track work, increase the frequency. A quick visual once-over while the wheels are off is usually enough.

Can a torn CV boot be repaired or does the whole axle need replacing?
If the joint hasn’t started clicking and there’s no contamination, a new one-piece boot kit with fresh grease and clamps will do the trick. If the joint has been running dry or is noisy, a complete driveshaft assembly is often the smarter and faster fix.

What are the symptoms of a failing CV joint versus just a split boot?
A split boot may only show grease sling and cracking. A failing joint adds clicking on turns, shudder under load, or vibration on acceleration. Once noise is present, plan on a joint or shaft replacement rather than just a boot.