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Chevrolet Impala Windshield Wiper Motor
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Troubleshooting the Chevrolet Impala Windshield Wiper Motor
While they are not included in the list of components in the Chevrolet Impala that require maintenance, the windshield wiper motor has to be checked and maintained on a regular basis to ensure its consistent operation. The wiper motor is responsible for powering the windshield wiper arm, and once it breaks down, the wiper will not move. And once the wiper doesn't move, driving in the rain and similar harsh weather can be a dangerous affair. Thankfully, windshield wiper motor problems are a rare occurrence, although it is still helpful to know how to troubleshoot Chevrolet Impala windshield wiper motor problems and determine what needs to be repaired or replaced.
The wiper motor is not running
If you switch on the wiper and the wiper motor doesn't hum to life, it doesn't necessarily mean that the motor needs replacing. First, open the fuse box and check if any of the fuses has shorted out. Replace any busted fuses if necessary. If all the fuses are all in good condition, check if the plugs from the motor to the car battery have become loose or damaged. You should also check all the wiring running to the motor to make sure that there are no frayed wires. If you notice any damaged wiring, have them replaced by a professional to avoid the risk of electric shock. But if the source of the problem isn't with the wires or any of the components connected to the wiper motor, the problem could probably lie with the motor itself and has to be replaced.
The motor is running but the arm is not moving
On the other hand, if you can hear the motor running but the windshield wiper arm is not moving, the problem could be with one of the bolts that secure the wiper arm to the rest of the windshield wiper system. The bolts can loosen over time or get rusted shut, so tighten or replace the bolts if necessary. In some cases, a rusted return spring, hinge or joint mechanism may also cause the wiper to stop moving and may require lubrication and scrubbing with steel wool.
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