
cylinder gland seal. The seal material should be compatible with the hydraulic fluid used in the system to ensure reliable performance.
To replace the lower garage door seal, start by measuring the length of the seal needed for your garage door. You can either purchase a replacement seal that matches the length of your current seal or cut a longer seal to size. Next, remove the old seal by pulling it out of the channel at the bottom of the garage door. Clean the channel to remove any debris or dirt that may have accumulated.