Parts for your 2010 Lexus Is-Cv joint

2010 Lexus IS CV-joint — what it does, when to service it, and how to spot trouble

Yes, a CV-joint is relevant on the 2010 Lexus IS. Technical sources including the Lexus IS 250/350 factory Repair Manual (Drivetrain/Axle – Rear Drive Shaft/Front Drive Shaft sections on Toyota TIS) and the Toyota Electronic Parts Catalog for 2010 IS models identify constant velocity joints fitted to the rear drive shafts on rear-wheel-drive variants, and to both front and rear drive shafts on all-wheel-drive variants. Lexus New Car Features literature for the XE20 platform also describes the multi-link independent rear suspension with drive shafts using CV joints.

On the 2010 IS, the CV-joint lets the drive shaft transmit torque smoothly while the suspension moves and the wheels turn. In RWD models, each rear half-shaft has an inboard and outboard CV-joint, AWD models add CV-joints to the front axles as well. Kept packed with the correct grease and sealed by flexible boots, they run quietly and deliver silky power without the shudder or binding you’d get from a simple universal joint.

As part of routine servicing, it’s smart to check the CV boots every 10,000–15,000 km or at each service. Look for grease sling around the inner guards or suspension arms, small splits or perishing in the rubber, and listen for clicking on take-off or when turning (AWD), or a rhythmic vibration under acceleration. Catching a torn boot early and re-greasing can save the joint, once grit gets in, wear accelerates quickly.

When replacement’s needed, many workshops swap the complete axle/drive shaft assembly rather than rebuilding a single joint. It’s often quicker, comes with fresh joints and boots, and reduces comebacks. Use quality moly CV grease, new clips and seals, and a new axle nut where specified. The shaft must seat fully in the diff or hub, and fluid levels should be checked if an axle was removed from the transaxle or rear diff. A road test for noise and vibration is a must.

Drivers who keep their IS long-term will benefit from periodic underbody washes (to protect the boots), avoiding harsh kerb strikes, and acting fast on any grease leaks. Done right, the CV-joints will clock up big kilometres with that trademark Lexus smoothness.

• Tell-tale signs: clicking on turns (AWD), grease spray, torn boots, vibration on throttle.
• Good practice: inspect boots at every service, replace full shaft if wear is evident, use correct grease and clips.

Popular questions

What are the symptoms of a worn CV-joint on a 2010 Lexus IS?
Typical signs include a clicking or clacking noise on acceleration while turning (more obvious on AWD fronts), vibration under load, and visible grease flung around the wheel well from a split boot. Any of these warrants inspection before the joint deteriorates further.

Do RWD and AWD 2010 Lexus IS models use the same CV axles?
No. RWD cars have CV-joints on the rear drive shafts only, while AWD models use different front and rear axle assemblies with CV-joints at both ends. Parts are not interchangeable between drivetrains and often differ side to side.

Can a torn CV boot be repaired without replacing the whole axle?
Yes, if caught early. A boot-only repair with fresh grease and new clamps can be cost-effective when the joint hasn’t run dry or ingested grit. If there’s noise, play, or metal flake in the grease, a complete axle replacement is usually the better bet.