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Tire Valve Core

Q: One of my tires is slowly leaking from inside the valve stem. Is there any way I can fix that without bringing it to a shop?

A: The valve core can be removed and replaced. You will need a valve core remover tool to unscrew the defective valve core. Wear safety glasses. Since the tire is under pressure, the valve core could go airborne when removing it. Replace the defective valve core with a new one. Tighten the new core snugly, but do not over-tighten. Valve cores and the valve core remover tool can be purchased at your local auto parts retailer. Remember to inflate the tire to the correct psi as indicated on the tire placard after installing the new valve core.