Can't help on that one..try looking on U tube there might be a self help video, you could do it yourself...
I have asked them in the past if they did work which was not tire or brake related and they did not. But, give them a call and confirm.
You might have to go to a body shop or the Chevy dealer don't think a tire shop does that kind of work probably will charge 1 hour shop rate don't know how much
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