Symptoms
- Door stops short of fully closing
- Door needs a manual push to latch
- Closer used to close it fully but now doesn't
Likely causes
- CommonClosing force or spring tension set too lowMost closers have an adjustable spring tension that can be increased.
- CommonLatch speed adjustment set too slowIf the final closing motion is too gentle, it may not have enough force to overcome the latch.
- PossibleDoor binding slightly against the frame or weatherstrippingExtra resistance from a sticking door or thick weatherstripping can overcome a properly adjusted closer.
- PossibleWorn hydraulic closer losing power over timeAge and wear can reduce a closer's overall closing force even at maximum settings.
What to do
- Check the closer's spring tension setting and increase it gradually.
- Locate the latch speed adjustment screw and increase the closing speed slightly for the final few inches.
- Check whether the door itself sticks or binds against the frame or weatherstripping, addressing that separately if so.
- Test the door through several open-close cycles after each adjustment.
- If the closer is at maximum settings and still can't close the door fully, it's likely worn out and needs replacement.
Tools and parts
- Small screwdriver
Replacement door closerSearch: “adjustable door closer”
When to call a pro
Consider replacing the door closer if it's at maximum adjustment and still won't fully close the door.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.