2003 Toyota Corolla Q&A

2003 Toyota Corolla Question: how do you replace the sway bar bushings

want to replace the bushings myself -
Answer 1
With appropriate tools , remove old bushings and install new ones.????????? -
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How often does the sway bar link need replaced? I just had it replaced 9 months ago, 9,000 miles ago and it already needs replaced. Is that normal?