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Replace a Spare part Window Regulator (Window Mechanism) – a defective one or if the limit of use has been already reached. Find out useful information about Window Regulator (Window Mechanism)

Window lifter is a mechanism for raising and lowering the side body and cab windows. Window lifter is a non-breaking mechanism for moving windows. Window lifters are necessary to raise and lower the windows in the car. Due to a large variety of car doors, window lifters have a great many specific names.

The structure of parts of the left, right, front and rear doors of the same vehicle is absolutely different. Regardless of the type of drive, manual or electric, the mechanisms of the window lifters are divided into rope, lever and rack. Depending on requirements, power window control is possible from simple push-button to the modern, combined with an alarm or safety system. "Push-button" control is performed using the push-button switches. They are mounted in the most convenient place in the car: two buttons are on the driver's side and per one for other windows. All switches use automatic fuses. Remote control is performed with a console and provides simultaneous automatic closing of windows, doors and sunroofs when the car is stopped and the driver gets out. Remote control of window lifters allows the driver to open and close all windows with one quick click.

In our online store you can buy window lifters for any car. This spare part is made of a specially selected by the car parts maker plastic. The material used to manufacture the window lifts has a range of operating temperatures from minus 45 to plus 100 degrees. Fixed engine eliminates the risk of damage of window lifter wires. The mechanism is completely hidden behind the panelling of doors and window lifters run very quietly. In our online store you can also buy other car parts from flywheel to bumper and shock absorbers.

Window Regulator (Window Mechanism) for RENAULT LAGUNA II Grandtour (KG0/1_), NISSAN TERRANO II (R20), MERCEDES-BENZ 190 (W201)

Faults of window raiser
  • drive failure;
  • control unit failure;
  • lifting mechanism failure.
Symptoms of window raiser failure
  • slow closing of the window;
  • creaking noises when closing or opening the window;
  • no lock of open windows;
  • jerking glass;
  • random closing or opening;
  • jamming window;
  • button does not respond before starting the engine.
Causes of window raiser failure
  • blown fuse;
  • no contact in sockets;
  • breakage or damage to the power supply or the signal wires;
  • short circuit;
  • mechanical damage;
  • damage to the cable;
  • ceasing drive motor brushes;
  • wear of reduction gear;
  • low level of lubricant on the rail surface.

If the power window fuse is not damaged, proceed to check the voltage. This requires a multimeter. In the absence of voltage, perform the checks of the control unit, the wiring integrity, the relay serviceability. Then start the engine, press the power window button, the lack of response indicates a problem with brushes. Lower and lift the window several times. Noise shows gear reducer bearing failure. Check the window cable for damage and scuffs.

Repair and replacement of window raiser

The first step is to lubricate the rails and the window regulator itself. Then pull the rotor by removing the motor casing. You can get rid of the soot on the brushes using sandpaper. It is necessary to clean the button contacts. In the case of mechanical damage, replace them. You should also replace reducer gear when worn. If the glass does not lift when the connection of the drive and the control unit is correct, then the drive has failed. You should replace it. If there is a serious problem (disrupted fastening, broken cable), it is necessary to replace the whole kit.

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