How to Repair Car Lock Doors
Our technicians employ a variety of tests to help identify the best solution to your car lock door problem right on the spot. The process begins with a simple examination of the handle from the outside, and an examination of the linkage between the handle and the latch mechanism.
If your power locks emit a an eerie buzzing or rattling sound it could be due to excessive wear on the bushings. Replacing the bushings will fix this.

Rear door
If your car's rear door lock gets stuck, it may be due to a broken connection between the latch and the handle mechanism. The most frequent causes are a broken interior lock post or switch, a damaged latch linkage on the handle, and a broken fob.
A professional locksmith will be able unlock your car's door without causing damage to the panel. They can diagnose and repair any problem with the internal locking system. But, you can try a few things before calling them in. The first step is to use penetrating catalysts or WD-40 on the rod that controls the lock. Spray the entire mechanism with grease and then play with it up and down to see if you can make the rod unblockable. If the issue continues it's probably the time to get an expert.
You could also try pliers with needle-nosed tips to remove the rod holder clip from the door latch. This will let you move the rod in a circular motion so that you can open or close the door. Utilizing the key fob to manually lock and unlock the door will also allow you identify any issues with the electrical connections within the handle.
You can also consider using a dry lubricant, such as graphite powder or sewing machine oil to lubricate your assembly. These dry lubricants do not attract dirt or dust and will offer a longer term solution than an oil-based lubricant. These lubricants are available at your local auto retailer or at your local home improvement store.
The final alternative is to replace the actuator for the lock. This is a costly fix, but will usually solve the problem in the long run. A professional locksmith can replace the lock actuator on your vehicle without damaging the inner door panel. They will replace the old actuator with a new one that is fully functional and comes with an original seal. This will prevent dirt or water contaminants from entering the lock mechanism.
Front door
If your front door's power locks aren't working, you may need to replace the lock actuator. The actuator is found inside every car door with a power lock. It regulates the locking and unlocking action. The actuator may buzz or squeal or make an unexpected noise when you close or open the door. A professional locksmith can replace the actuator quickly and safely. The procedure is different for each vehicle, so the exact steps could differ. The basic procedure involves disconnecting the battery closing the door's window and taking the lower panel out of the door.
After the door panel has been removed, you will be able to access the lock actuator. Using a screwdriver, rotate the latch into its proper orientation. This can be tricky and it's recommended that someone from your family assist you in this process. Test the handle by pulling it until it is in the correct position. The handle should now open the door latch which will allow you to lock and close the door.
If the latch does not work after lubricating it, it may be necessary to replenish the lubrication. It is best to make use of a dry lubricant as oil-based lubricants can attract dirt and other debris. Sewing machine oil or WD-40 are common household products you can use to lubricate your car door latch. It is important to remember that this is a temporary solution. It is recommended to consult a professional locksmith for long-term solutions.
A professional locksmith will be able identify and fix a stuck door lock in no time. They can remove the latch, open the door panel and then disconnect the cables. In some instances they may be able to replace the damaged cylinder for the door lock. They'll take care to avoid damaging the door panel. This can be expensive. This repair could take a few hours, based on the problem. Take a drink or snack to go, as you will be waiting for an extended period in your vehicle. Be sure to disconnect the battery before starting any repairs.
Side door
It can be frustrating when your car's latch gets stuck. This can affect your daily routine. This is usually caused by dirt or grime getting stuck in the lock mechanism, which prevents it from closing properly. A simple lubricant could solve the issue if this is the situation. You can buy an WD-40 bottle or a penetrating catalyst at your local home improvement store or auto supply store, or even online. After you have the lubricant you need remove the ignition key and insert a flathead Phillips screwdriver into the keyhole. The screwdriver should be inserted into the lock and turn it to release the blockage. Once the screwdriver has cleared the blockage, make use of the nozzle on the bottle to apply a substantial amount of lubricant through the keyhole.
After lubricating the lock, you can then test it to see if it works correctly. If the latch is sticking, you may need to replace the hardware or the actuator. You'll need to take off the door's inner panel and disconnect the lower light connection as well as door locks before you are able to remove the latch. To make repairs simpler you can buy an interior trim set of tools or locate schematics for your specific vehicle.
A more serious issue is the possibility a bad lock actuator, which connects the latch to the rod. If the actuator is damaged it will prevent the latch from locking when you press the lock button on the remote. A bad solenoid is an expensive repair, but easy to replace. It only requires the removal of the door panel, and then disconnecting the rods for locking, but a skilled locksmith will be able do it without difficulty.
A latch that isn't aligned correctly can be the result of excessive wear to the rods. This is usually a result of repeated slamming of the doors, and it could be difficult to spot the cause. You can pull the handle, and then observe the mechanism to see whether there is any movement between the parts. If the rods have been damaged, you must consult a knowledgeable technician from a professional bodyshop.
Trunk
If your car door lock is stuck in the locked position or unable to open even once, a professional locksmith can assist. They can spot problems quickly and fix them so that you can gain entry to your vehicle with no hassle. They can even offer advice on how to prevent these issues from happening in the future, to ensure that your vehicle remains an enjoyable and safe ride for a long time to come.
One of the most frequent reasons for a car door lock becoming stuck is a loose link within the system. A damaged link could be found between the handle and the lock cylinder, the interior locking post/switch, and the car latch. This can also result from a broken or worn-out rod that connects all the parts. If you think this is the case, then you can fix the issue by using the lubricant for your car door to clean and re-lubricate the system.
It is essential to choose the correct lubricant, such as dry lubricant, rather than an oil-based one, to ensure that dirt and other debris are not attracted to it. WD-40 is an ideal choice, as it is available at most home improvement centers or auto supply stores. Before attempting to use vehicle security , however, make sure that the keyhole is free of obstructions prior to inserting your key into it. If it's difficult to insert your key into the lock, this is a clear indication that there's a blockage or jam there.
If the issue persists the solution could be to replace the fuse that controls the power locks. These fuses can be located in the fusebox beneath the glovebox on the passenger side. They can be replaced easily. It is important to read the owner's manual to locate the fuse for the power lock, because they're not all the identical. Once the fuse is replaced, it's crucial to take care when reassembling the lock actuator to ensure that all electrical connectors are positioned in the correct positions and that all screws are snagged into place properly.