If the door springs are properly adjusted the door should stay in place when you let go.
Garage door tension springs installation.
If the door falls when you let go add a quarter turn to each spring.
Tension is reduced by removing turns.
With locking pliers clamped on the torsion tube winding bars are used to wind the springs tighter to increase tension.
To adjust torsion spring tension the door is locked in the down position.
When two springs are used both sides should be adjusted the same.
Signs that can indicate the need for a garage door spring repair or replacement include.
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.
Residential springs installation signs of the need for garage door spring repair garage door springs must be properly balanced to operate efficiently and they can experience a reduction in tension over time.
Remove the clamps and pliers from the torsion tube and track and lift the door about 3 ft.