• My car's started making a noise. At low speeds, 25-35ish mph, it sounds a bit like an engine just above idling and then rises in pitch with speed (not revs), loudest at around 50ish then can't really hear it at motorway speed. What might it be? Wheel bearing?

    Noticed it a few days ago, started suddenly and doesn't seem to have got any worse but isn't getting any better either.

  • Usually if it's a wheel bearing it will be noisier going round a corner one way and quieter going the other. Because weight transfer. Find a roundabout, try it and report back.

  • That could be read as advising someone to try going around a roundabout in each direction to check which is noisiest. Which would be bad.

    :)

  • The old trick was to find a hill and let the car roll down with the engine off, then drive side to side to see which side made more noise.

    Or the old MOT trick of raising the car till the wheel is off the ground and check for play.

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