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A grinding noise during acceleration in your Toyota Sienna could be caused by several issues, such as worn or damaged transmission components, a failing wheel bearing, or issues with the drive axles. It may also be related to problems with the brakes if they are engaged unintentionally. It's important to have the vehicle inspected by a qualified mechanic to diagnose the specific cause and prevent further damage. Ignoring the noise could lead to more serious mechanical issues down the line.

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1mo ago

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