Q: How do i remove the core stem if there is no core ?

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I tried to remove the core stem but there is nothing to grab using the tool . What can I do?

My car has 120000 miles.
My car has an automatic transmission.

Hi there. This depends on what valve core stem you are replacing. If you are replacing the valve core stem in a wheel, then all you need is a valve core stem remover tool for a tire. However, if you are removing a valve core stem in an a/c system, you will need a double ended valve core stem remover tool for a/c systems with 134a refrigerant. The valve stem looks like the one on a wheel, but it has a long metal stem that sticks out. The tool has a hole cut out to have the long stem go into it. If the valve core stem is broken and you need it out, especially on an a/c system, then you can grind down a small pair of needle nose pliers and use them to take out the valve core stem. If you need further assistance removing the valve core stem, then seek out a professional, such as one from YourMechanic, to help you with your issue.

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