Use the light of your smartphone if needed.
Key wont go in front door lock.
Door lock hard to unlock deadbolt front door repair locksmith it is not recommended to use wd 40 in or on any type of door locks or deadbolts.
Exterior locks can freeze interior locks get dirty and small internal parts eventually wear out or break.
Then you can see if the profile is damaged at the tip of the key.
Spray lubricant in the keyway and insert the key a few times so the lubricant can get worked into the mechanism.
Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock.
Before you buy a replacement lock try some quick remedies.
In this video i show how to repair a faulty upvc door lock this particular door the barrel had slipped halfway rotation so that the key was upside down and w.
When to call a locksmith.
If the key won t go into the lock ask yourself if the weather is cold enough for the lock to be frozen.
Houses with door lock problems due to weather.
Debris or ice from cold weather may be causing problems with the cylinder or you might simply be using the wrong key.
It s possible that there is an issue with the lock cylinder.
Repeat heating and inserting the key until the ice has melted.
If your key will only go into the lock partway there may be an obstruction blocking it.
If it is hold the key with a heavy glove and heat it with a match or lighter and then work it gradually into the keyway.
If a dry lubricant doesn t do the trick you can try wd 40.
The wd 40 lubricant will work for a short time to lubricate but will eventually gum up the pin tumblers and cause them to stick in the chamber therefore making it difficult to unlock the door.
Flip the key and open the door.
The best way is to have a close look at your key from the front compare it with the shape of the entry of the lock.
Put some graphite into the keyhole either by squeezing it from a tube or dusting it onto a key and then operate the lock a few times to work the graphite into the mechanism.
Key won t go all the way into door lock.
Key is hard to turn or won t go in the lock don t force the key.