Those noises are normal.
Inside a door lock actuator.
Inside the power door lock actuator.
In some cars the door lock actuator is positioned below the latch.
Car door lock actuators are designed to lock and unlock a door without the effort of pulling on a cable and rod.
The last gear drives a rack and pinion gearset that is connected to the actuator rod.
This system is quite simple.
The lock actuator consists of a small electric motor that drives a gearbox which in turn locks and unlocks the door.
A rod connects the actuator to the latch and another rod connects the latch to the knob that sticks up out of the top of the door.
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The concept of a door lock actuator works great until it doesn t.
When the actuator fails or starts to fail you ll likely notice one or more symptoms that make your daily commute less pleasant.
Unusual noises coming from inside the door unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator.
A door lock actuator is basically a reversible motor or a solenoid on some vehicles with gears that operate the door lock.
Most power door locks operate using gears or motors that may quietly whir or make noise when they operate.
It sounds simple enough right.
Drilled door allowing easy installation with a standard screwdriver.
A small electric motor turns a series of spur gears that serve as a gear reduction.
Door lock actuators engage and open your car s power locks.
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Door lock actuator power lock actuators for cars trucks suvs.
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