How do you adjust the tension spring on an overhead garage door?

How much tension should a garage door torsion spring be?

A rule of thumb with springs is that four quarter turns equals a full revolution and the spring needs to be tightened a full revolution for every foot of door height (e.g. 7-1/2 foot door = 7 revolutions +2 (30 quarter turns).

How many turns on a 7ft garage door spring?

If your door is 7ft high then we recommend starting off at 31 Quarter turns on each springs. If you have an 8ft door then start at 34 Quarter turns.

Can garage door springs be too strong?

If your springs are too strong, and if you wind the springs the correct number of turns, the door will not stay on the floor when closed. It will usually not stay in the middle when opened halfway. However, it will stay up when opened fully.

What is the average life of a garage door spring?

The average garage door spring, if correctly installed, should last about 10,000 cycles of opening and closing. If you only go in and out of your garage once a day, that means you should expect a broken garage door spring around 14 years after the spring is first installed.

How do I know if my garage door springs need to be adjusted?

Here are a few signs that you might need a spring adjustment:

  1. Your door is more difficult to operate than usual–it takes longer to open or close too.
  2. Your door opens too quickly, or it slams shut (or both)
  3. The garage door doesn’t close fully, or closes unevenly, leaving one side open.
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Which way do you wind a garage door spring?

This is pretty easy to determine. Basically, door springs can either wind to the left or to the right. Right-hand winding springs wind in a clockwise manner with the end wire on the right, while left-hand winding springs go anticlockwise with their end wire on the left.