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By Eve Briner


Given that these units tend to sustain a lot of wear and tear, your power doors and power windows could go on the fritz without a moment's notice.

Most automatic door locks malfunction because of a failing actuator-- the motor, cable, and gears that allow doors to lock and unlock. When the actuator doesn't receive the electrical current it needs, or fails to respond to that current, the auto-lock system stops working. Worn cables or mechanical linkages also cause problems. Since each door has its own apparatus, repairs are usually isolated to just one door. If all the automatic locks have failed, it could be because of a blown fuse or broken switch that controls all the actuators.

Windows and drivers at the front, driver side often malfunction due to the amount of use they see. These are issues that drivers often report in newer vehicles. Problems with power windows typically appear when cars are about six to seven years in age.

When windows malfunction, motorists are advised to head to auto repair shops as soon as they can. There's a safety concern when windows are not closing properly as these will allow thieves into the vehicle. Similarly, windows that are open will leave the interior of the car vulnerable to damages resulting form exposure to the elements.

Like door locks, windows are controlled by a motor and other mechanisms. Power windows may stop working when the regulator and cable come apart. In other cases, a faulty regulator, cable pulley, motor, or window switch is out of order. Sometimes it's all of the above. In colder climes, snow and ice can freeze the door glass to the window frame, resulting in excessive wear and tear on the window track.

Failure in power windows is sometimes and intermittent problem. Mechanics say that if this occurs, the most likely cause is a motor that's been overheated. To accurately identify the source of this issue, these professionals may need to take the door frame off to inspect the wiring and motor. After the cause has been determined, the necessary repairs can be made.




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