Q: Suspect belt or pump bearing

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I hear a high-pitched whining noise from under the hood of my van. The noise increases when I accelerate. I suspect a belt or pump bearing.

I believe that you are on the right track. Either of these would in fact cause the noise you describe. I would recommend asking for help from one of the mechanics at YourMechanic. They can come to you and diagnose why your car is making a whining noise and make any necessary repairs.

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