Lots of things can go wrong with a garage door, and most are easy to fix. Here is your guide to repair your garage door opener. But problems involving the garage door tension spring are more serious.

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...

Q: I’m going to replace a broken spring for our garage door. The home-store salesman said I needed to replace both springs even though only one is broken. Is this true? A: A majority of homes use ...