Several issues could cause this problem, such as misaligned tracks, damaged springs, or problems with the opener. Check for any obstructions in the tracks, ensure the sensors are clean and aligned, and examine the springs for damage. If unsure, consult a professional for a thorough inspection.

Lubrication helps maintain smooth operation and prevents wear. Generally, it’s recommended to lubricate hinges, rollers, and tracks every six months. However, dusty environments or frequent use might require more frequent lubrication.

Strange noises can indicate various issues, such as loose hardware, worn-out rollers, or lack of lubrication. Start by inspecting visible parts for any loose components. If the noise persists, it’s advisable to have a professional diagnose the problem.

Garage door springs are under high tension and can be dangerous to replace without proper knowledge and tools. It’s highly recommended to hire a professional technician experienced in handling garage door springs for safety reasons.

The lifespan of a garage door depends on various factors, including material quality, maintenance, and usage. Generally, a well-maintained door can last 15-30 years. Regular inspections, prompt repairs, and proper maintenance can extend its lifespan.

Remember, while these answers provide general guidance, individual situations might vary. If you’re unsure or encounter significant issues with your garage door, it’s best to seek professional assistance to avoid any accidents or further damage.