How to Fix a Garage Door That Won't Go All the Way Down

Garage door openers provide homeowners with a hands-free method of entering the garage. Garage door opening systems are remote-controlled, usually from a vehicle. Typical installations also include a manually operated switch inside the garage that allows the door to be opened and closed. When the door receives a signal to close but fails to shut completely, an adjustment can be made to correct the problem. You can fix a garage door that won’t go down all the way with basic do-it-yourself skills.

Step ladder
Measuring tape
Helper
Flat-head screwdriver

Instructions

- 1
  Find the two limit adjustment screws on the side of the garage door opener head. The adjustment screws are located on the left side of the head, as viewed from the rear. A step ladder may be required to reach the screws.
- 2
  Identify the down limit adjustment screw. Usually, the down limit is indicated by an arrow pointing down, while an arrow pointing up indicates the up limit adjustment.
- 3
  Measure the distance from the garage door apron to the bottom of the door using a measuring tape. Have a helper stand by to perform measurements as you begin the adjustments.
- 4
  Turn the down limit adjustment screw counterclockwise one full turn using a flat-head screwdriver. For each 3 inches of distance, turn the screw one full turn.
- 5
  Cycle the door. Have your helper do this at the manual garage door switch.
- 6
  Turn the down limit screw clockwise if the door comes down too far. The door is designed to rise automatically when this occurs. Turn the screw in smaller increments until the door closes properly.

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