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It will help a whole lot if you'll get some Garage Door lube and lubricate the tracks, the rollers and the chain.
Be careful not getting to much on the chain so it drips on the car or floor.
Check all bolts & nuts to make sure they are secure. Check the auto reverse to make sure it's working correctly. Many have adjustments on the unit.
CAUTION! Replacing garage door torsion springs is dangerous because the springs are under tension.
I don't know anything about those. That does sound dangerous. I have the regular kind of springs, along the side, that aren't under tensions or compression when the door is open.
There are two different kinds of spring setups for a garage door. If you have the two long springs, one on each side of the door, it is not too terribly dangerous as long as you raise the door first and make sure it cannot move. But any spring under tension can still hurt you.
The single torsion spring at the top bar is VERY VERY dangerous. I read the DIY instructions linked above and they are pretty comprehensive and a good guide to go by that does not gloss over the risk. IF you read them and are willing to follow them to a T and think you can do it, you should be OK, but heed the warning that even doing everything right, a spring can still rupture and hurt you. I have seen guys that do this every day and like glass guys, every one of them have their scars and stories of when things went wrong.
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