If the door springs are properly adjusted the door should stay in place when you let go.
Garage door tension springs installation.
To adjust torsion spring tension the door is locked in the down position.
If the door falls when you let go add a quarter turn to each spring.
Signs that can indicate the need for a garage door spring repair or replacement include.
Finish with a test of the garage door tension spring.
Tension is reduced by removing turns.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
Adjustments should be made in 1 4 turn increments.
Remove the clamps and pliers from the torsion tube and track and lift the door about 3 ft.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.