Where you inspect will solely depend on what type of garage door you have.
How to fix noisy garage roller door.
Some rollers can cause more noise than others.
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Clopay pro lube synthetic garage door lubricant.
Add rubber as buffer in spots causing noise.
Then spray all the moving components with garage door lubricant.
To make your garage door.
Snug up all the nuts and bolts on your garage door track and check for worn parts and replace where needed.
As you can see there are several major components on your garage door.
How to make garage door quieter 1.
Replace steel rollers with nylon ones.
Lubricate or replace the rollers.
Inspect the track or rails of your garage door this is one of the easiest things you can first do to fix your noisy garage.
Create opener and garage door buffers using pieces of rubber to reduce.
Most garage doors either have rails on the sides of the door or a track in the middle.
Replace the roller by unbolting the hinge and tilting the roller out of the garage door track.