This occurs when dust dirt grime and other buildup accumulates on the internal.
Sticky door lock.
More force is needed to turn the knob and unstick the latch.
Fix and lubricate a sticky lock and key this applies to all locks but especially to motorcycle ignitions gas caps saddlebags and trunks.
The door latch is not extended before rotating the knob.
If it s a matter of friction on the strike plate try to tighten both the plate and the lock on your door.
Fixing a few stubborn locks might involve disassembling cleaning and then reassembling the lock.
It doesn t really pay to have interior door knobs or locks professionally repaired unless they are special.
How to fix a sticky lock.
The handle or knob must be jiggled to unstick the latch.
After enough use you might find that your door lock has begun to stick making it difficult to put in turn or pull out your key.
First clean the keyhole with a penetrating lubricant like wd 40.
You can even see where the door has scraped against the frame.
Insert the key in the lock and turn it several times to distribute the graphite.
Simulating opening the door without the latch extending into and retracting out of the strike plate.
Often turning these four screws slightly clockwise is enough to eliminate the scuffing.
Many people put up with the aggravation of a sticking door lock for years.
Fortunately most front door lock problems can be.
My front door deadbolt lock is hard to unlock and open when i put the key in and turn.
Squirt a little powdered graphite available in squeeze tubes at home improvement and automotive stores in the keyhole of the lock.
For serious lock problems it is usually best to call a locksmith or to replace the lock entirely.
To fix a door lock that doesn t turn easily.
Sticking door locks can be attributed to everything from slight settling of the house to a buildup of dust and dirt within the locking mechanism.
An improperly functioning latch may be the result of a poorly fitting door.
Most times you ll find that the door sticks along the top because the door is sagging.
Once the door is open try to actuate the door latch with the handle.
We have been going through our garage door to get in the house because of this.