Car parts and drivetrain components for Volvo S90.
The most common sign is a rhythmic clicking or knocking noise that occurs when turning sharply while accelerating. If the noise disappears when driving straight ahead, it is almost certainly a worn outer CV joint.
Yes, if you discover a split boot early before dirt and moisture have penetrated the joint, you can replace just the CV boot. However, if the joint has already started making noise, the entire joint must be replaced.
No, drive shafts often vary depending on engine output, gearbox type (manual or automatic) and whether the car is front-wheel drive or all-wheel drive. Always select your car's make, model and engine in our vehicle selector to find the correct part.
A worn propeller shaft typically causes vibrations felt through the vehicle body, particularly at higher speeds or under load. A whining or grinding noise may also develop from the centre bearing.
It requires some mechanical experience and the correct tools, such as a heavy-duty socket for the hub nut and tools to separate the ball joint. For an experienced DIY mechanic it is entirely feasible, but it demands careful attention.
This is a classic symptom of a worn inner CV joint. When the joint is loaded during acceleration, imbalance is created in the shaft, resulting in vibrations that often disappear as soon as you ease off the throttle.
An all-wheel-drive S90 has four drive shafts in total – two at the front and two at the rear – plus a propeller shaft that transfers power between the front and rear axles.