At the end of the day, it really all depends on how often you use your door lock actuators, what type of car you have, and how well you maintain your car as a whole. Keep an eye out for these signs, which include:. But they could also have an impact on other parts within your car, which will make it even more important for you to arrange to have door lock actuator replacement done sooner rather than later. You can manually lock and unlock a car door with a bad door lock actuator in it and not have to be too concerned about it causing any issues.
But you will start to find that manually locking and unlocking the doors all the time is going to get annoying fast, so you should still plan to pay to have door lock actuator replacement done. If you know that you have a bad door lock actuator in your car and you want to get it fixed, it should be easy tracking down someone to help you with it.
Just about any ASE-certified mechanic should be able to pop your old door lock actuator out and put a new one into its place in no time. You might also have to pay well above the average door lock actuator replacement cost in certain situations.
Your exact cost is going to depend on the make and model of your car, the year your car was made, and your location. It could save you some money in the long run. After finding out how much door lock actuator replacement will cost you, you might be tempted to skip having it done.
Then very carefully pull the plastic portion out of the metal housing, taking caution not to damage the brushes. Step 4: Clean and reassemble the motor.
Use electrical parts cleaner to spray off old grease that has built up on the brushes. Use grit sandpaper to clean up the copper drum on the coil shaft. Put a small amount of white lithium on the copper parts and reassemble the motor. This cleans up the electrical contacts for a proper connection. Step 5: Test the motor. Place your test leads on the motor contact points and connect the leads to a nine-volt battery to check the motor operation.
Step 6: Reinstall the motor and gears. Place the parts in reverse order from that in which you took them out. Apply super glue to the cover and join the cover and housing back together. Hold them together until the glue bonds. Step 1: Reinstall the plastic cover and replace the assembly. Attach the plastic door lock actuator back onto the assembly with two screws.
Install the white plastic cover back onto the lock and actuator assembly by securing it with the two other screws you removed previously. Step 2: Clean and reconnect the actuator. Spray electrical cleaner onto the black electrical connector. After it dries, reconnect the black electrical connector to the door lock actuator.
Step 3: Replace the door lock actuator bolts and screws. Reinstall the three screws into the door lock to secure it in the door. Then reinstall the two 10mm bolts above and below the location of the door lock actuator to secure the actuator.
Step 4: Reattach the clips and cables. Reconnect the metal cables near the door handle by connecting the yellow clips back onto the sockets.
Step 5: Reinstall the clear plastic sheeting. Put the plastic cover that goes behind the door panel back into place and reseal it. Step 6: Replace the door panel. Put the door panel back onto the door and reattach all of the tabs by lightly snapping them into place.
Step 1: Replace the battery cable and remove the battery saver. Tighten the battery clamp up tight to ensure that the connection is good. Step 2: Test the repaired door lock actuator. Pull on the outside door handle and ensure that the door opens from the latched position. Shut the door and get inside the vehicle through another door. Pull on the inside door handle and ensure that the door opens from the latched position.
This ensures that the door will open with the door unlocked. Sitting in the car with the doors shut, press on the locking switch of the affected door lock actuator. Then operate the inside door handle and open the door.
If the door lock actuator is operating correctly, opening the interior door handle will override the door lock actuator. While standing outside of the vehicle, shut the door and lock it with your electronic device only. Operate the outside door handle and to ensure that the door is locked. Unlock the door with the electronic device and operate the outside door handle again.
This time, the door should open. If your car door lock still does not function properly after repairing the door lock actuator, then there may be further diagnosis of the door lock and actuator assembly or a possible electronic component failure. You can always Ask a Mechanic to get quick, detailed advice from one of the certified technicians here at YourMechanic. You may need to fully replace the actuator.
If you would rather a professional perform this job, you can have one of our qualified mechanics come and replace your door lock actuator for you. Our certified mobile mechanics perform over services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools.
Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair. Service Location. There are a number of ways that you can unlock car doors that have door lock actuators, including: Using a key Pressing the unlock button inside the car Using the combination lock on the outside of the door Pulling up the knob on the inside of the door Using a keyless entry remote control Signaling from a control center There are two ways to determine if the actuator has failed : By operating a remote device or keypad to unlock the door By pressing on the unlock button on the door panel cluster If the door remains locked in either or both of these cases, the problem is the actuator.
Part 1 of 6: Verifying the condition of the door lock actuator Step 1: Inspect the affected door and lock.
Note : If you are working on the rear doors of a four-door sedan, keep the child safety locks in mind. If the child safety lock is on, the door will not open when operating the inside handle. Part 2 of 6: Preparing to replace the door lock actuator Having all of the necessary tools and materials and preparing the vehicle prior to starting the work will allow you to get the job done more efficiently.
Materials Needed grit sandpaper Boxed end wrenches Cross tip, or phillips head, screwdriver Electrical cleaner Flathead screwdriver Mineral spirits cleaner Needle nose plyers New door lock actuator Nine-volt battery Nine-volt battery saver Ratchet with metric and standard sockets Razor blade Removal tool or pry tool Small hammer Super glue Test leads Torques bit set Wheel chocks White lithium Step 1: Position the vehicle.
Park your vehicle on a flat, hard surface. Part 3 of 6: Removing the door lock actuator Step 1: Remove the door panel. Note : If your vehicle has electronic door locks, you will need to remove the door lock cluster panel from the door panel. Before removing the door panel, remove the screws attaching the cluster to the panel. If the cluster cannot be detached, you may be able to disconnect the harness connectors under the door panel as you pull it off.
If the vehicle has custom speakers that are externally mounted on the door panel, these would need to be removed prior to removing the door panel as well. Tip : This plastic is essential to forming a water barrier inside the door panel as some water always gets into the inside of the door during rainy days or a car wash. While you are at it, check that the two drain holes in the bottom of the door are clear and there is no buildup of debris there.
Tip : Keep in mind how the white plastic cover is mounted onto the lock and actuator assembly so that you will be able to properly reassemble it later. Part 4 of 6: Repairing the door lock actuator At this point, you will begin working on the door lock actuator. Warning : Be very careful not to injure yourself with the sharp razor blade. Carefully pry through the bottom portion next to the pin housing.
Remove the worm gear and its bearing from the plastic housing. Note : Take notes on how the bearing is installed into the housing. The bearing must go back in the same way.
Warning : Do not connect the motor to the battery for longer than a few seconds as these motors are not designed for that. Part 5 of 6: Reinstalling the door lock actuator Step 1: Reinstall the plastic cover and replace the assembly. Place the lock and actuator assembly, with the cables attached, back into the door. Abnormal noises from inside the door are also a common symptom of a faulty door lock actuator.
The door lock actuator operates using a motor and gears that tend to whir or make noise quietly when in use.
When the noise suddenly gets louder, it may be an indicator that your actuator is broken or bad. The motor and gears could be worn out. One of the best solutions to a stuck power door is to replace the bad or broken actuator.
This prevents power from reaching the door lock actuator. This may involve unscrewing any bolts present and prying the panel out. Be careful not to break any cables and wires that may be connected to the speakers and door lock. Once you set the door panel aside, you should be able to see two cables that are secured using clips. Remove them and pull them out of their sockets. The actuator should have bolts and lock screws that secure it too.
Once the actuator is free and hanging, disconnect the electrical connector. This will allow you to remove the actuator and lock assembly.
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