Should your car door handles need repair, some of them can be repaired using adhesive and others cannot. It all depends on the type of the car door handles and how heavy they are. It also depends on the strength of the adhesive you are using to secure the handles to the door. It is recommended that you use two different methods to secure the handles to the door. Those two methods include adhesive and either screws or bolts. Using both of these methods will make the handles as secure as possible on the doors, ensuring they do not fall off when being used.
For more info, see How to Repair Your Car Door