Grease has trouble reaching these parts of the garage door. Silicone is best used in accompaniment to grease because it doesn't provide as much friction resistance, but can reach places that lithium grease can't. It also has a longer life and is resistant to temperature and moisture. Feb 18, 2022
Chain drive openers are more durable and affordable, but they can be quite noisy. Belt drive openers are quieter but come at a higher price point. Mar 2, 2023
The best type of lubricant is either a lithium grease or a silicone spray. A lithium grease product will form a moisture-reducing barrier and protect against friction. A silicone spray will have these qualities and will also help protect the components of your garage door.
A repair may just reveal more issues after it's working. If you plan to stay in the home for a while and the opener is over 5 years old, it may be a great time to replace it. The quality of the existing opener should also be taken into consideration.