如果想学习一下是否可以自己换的话，可以参考这个网站的Howto视频。

来源: 于 2024-03-30 17:15:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

https://diygaragedoorparts.com/how-to-videos/

 

Costs: $151.90 - 1x Torsion spring, 2x cables, 2x winding bars, 1x center bearing, 2x cable drums

Time: ~30 minutes assuming you have all tools.