The settling of the house over time can cause the doorjamb or door to become skewed so.
My front door handle latch is worn out over time.
Then remove the inside door handle.
Every door comes to a time when it will not latch correctly and there are various reasons why.
Make sure the bent lip of the strike plate is facing the direction in which the door opens.
When the door is shut the latch and anchor interlock to close the door.
This wear stopped the door from sealing properly and the door switch safety mechanism blew the line fuse.
Sometimes the part that breaks can be too expensive to replace.
Each door set is a little different.
Replace the handle and reinsert and tighten the retaining screws.
Ground that has frozen under the door may also cause it to not close properly.
I replaced the worn bracket.
Remove the handle by taking out the retaining screws usually two located at the top and bottom of the inside handle.
If the latch mechanism inside of the door fails or has any issues it may not be able to secure onto the anchor which will result in a door that will not stay closed.
Test to make sure the door handle actuates the latch correctly.
Second thing is the door latches are subject to road debris and can bind.
How to clean and re grease your door latches.
Another symptom of a problem with the door latch.
Damp weather or heat may be warping it.
Then replace the front screw don t forget to position the door seals.
As we were taking apart this door handle we found a little round plate on the inside of the door.
Then it makes sense to just get a new door handle but this is not always the case.
If the door handle uses locking mechanism test all the ways of locking.
Even usual wear and tear can contribute.
As you remove the pieces make sure you keep them all together they are pretty small and can disappear quickly.
This is a problem as vehicles with doors that do not stay shut are unsafe to drive.
Door must be slammed hard to close.
Align the strike plate for the handle against the door jamb and attach with two small screws.
One symptom of a faulty door latch mechanism are doors that will not stay closed.
Going back replace the handle in the front and slide it all the way to the back and insert the rear screw first.
Remove the outside door handle.
The most common problem with door catches is the failure of the striker to penetrate into the striker plate.
Step 3 turn the handle over and if necessary reverse the latch nose.
Align the strike plate for the deadbolt pre drill your holes and attach the strike plate to the door jamb with two longer screws for extra reinforcement.
I have a how to remove that and clean it.
It took a long time to determine the problem but eventually i discovered that the plastic bracket latch hook that held the three door switches showed appreciable wear from repeated door openings and closings.