It is indeed possible to replace just a single panel on a garage door. However, if multiple panels require replacement, it may be more cost-effective to replace the entire garage door.
To adjust spring tension, qualified personnel should loosen all of the set screws in the tensioner and axle support at both ends of the door. At the tensioner end, they'll place a pipe wrench around the end of the axle so that pulling down on the pipe wrench will rotate that axle to increase spring tension. Nov 16, 2020
According to HomeAdvisor, a website resource that offers information about home improvements, the average cost to repair a garage door in the United States is $223. The cost typically ranges between $147 and $327, with low-end projects estimated at an average of $75 and high-end projects averaging $561. Jul 24, 2023