Parts for your 2020 Mazda Cx-5-Cv joint

2020 Mazda CX-5 CV joints: what they do and when to service them

CV joints are absolutely used on the 2020 Mazda CX-5. Technical references including the Mazda CX-5 (KF) Workshop Manual (2017–2021) list outer and inner constant velocity joints on the front drive shafts, with additional rear drive shaft CV joints on AWD variants. The Mazda Electronic Parts Catalogue for the KF series also shows complete front drive shaft assemblies with CV joints and boots, plus rear half-shafts with CVs on AWD models. So whether it’s FWD or AWD, the CX‑5 relies on CV joints to deliver smooth drive to the wheels.

On this CX‑5, the CV joint’s job is to transmit engine torque through varying angles while the suspension moves and the wheels steer, without judder or vibration. Outer joints handle the big steering angles at the hub, while inner plunge joints allow the shaft length to change as the suspension travels. When they’re healthy and well-greased, most drivers won’t even notice them doing the hard yards.

For servicing, there’s no fixed replacement interval for CV joints on the 2020 model, they’re designed to be long-life parts. What matters is the condition of the rubber boots and the absence of play or noise. At regular services, technicians should inspect boots for cracks, splits, or sling marks from thrown grease, check clamps for tension, and look for clicking on tight turns (outer joint wear) or shudder under acceleration (often inner joint wear). Any damaged boot should be replaced promptly before grit chews out the joint.

When replacement’s needed, quality counts. Use the correct drive shaft assembly or genuine-spec joint kit, fresh grease of the specified type, and new boot clamps. The axle nut is single‑use and must be tightened to the factory torque and staked, wheel alignment and an ABS tone ring check are smart add‑ons after front shaft work. AWD CX‑5s also have rear CV joints: the same inspection logic applies, and any seepage or boot damage at the rear half‑shafts should be addressed early to avoid noise and driveline vibration.

• Common signs to act on: clicking when turning, vibration on throttle, grease sprayed around the inner rim, torn or perished boots, or a clunk taking off.
• Best practice: inspect at every routine service, keep boots intact, and replace worn joints or complete shafts before they take out tyres, hubs, or bearings.

Popular questions

How long do CV joints last on a 2020 Mazda CX‑5?
In normal use with intact boots, they often last well past 150,000 kilometres. Their lifespan is mainly limited by boot damage or contamination, so regular inspections go a long way to keeping them in service for the long haul.

What are the symptoms of a bad CV joint on a CX‑5?
A sharp clicking on tight turns points to an outer joint. A shake or vibration on acceleration—especially under load—often suggests the inner joint. Grease flung onto the suspension or wheel also hints at a split boot and impending joint wear.

Can the car be driven with a torn CV boot?
Short distances only, and it’s not recommended. Dust and water quickly contaminate the grease and can ruin the joint. Replacing the boot promptly can save the joint, if noise has started, a full joint or shaft replacement is the safer fix.