Having a front wiper issue is not uncommon. It is even one of the most frequent concerns, and not just on Toyota Previa. Windshield wipers have become consumables because they deteriorate quickly and are simple to replace . But the concerns can be quite different, and the causes will therefore vary. It can come from broom , engine , or a electrical concern among others. So we will see the most common symptoms and how to fix them.
Complete failure of the front wiper of your Toyota Previa
The concern must undoubtedly come from the engine of your front wiper. If you want to be sure, you need to measure the electrical current at the input of the wiper motor. But it is a precaution that is not really mandatory. The failure is probably due to the engine. In this case, you will have to buy a new engine, compatible with your Toyota Previa . It is also possible that the concern originated from broom training . In this case, activate it manually. If this one can move on its pivot without problem, it is that it does not show any concern.
The front wiper of your Toyota Previa is noisy
A noisy front wiper on a Toyota Previa isn't a big deal, however it's definitely annoying quickly. If you perceive a shrill noise is that it comes from the wear of the rubber blade of the broom. As if you were walking on your dry windshield. In this case, you should definitely change it. If it is a squeaky noise , it is certainly the training which is a bit seized. You just have to lubricate it, and the problem will be solved.
Toyota Previa's front wipers don't go at the right speed
This time it's a concern that can be problematic, especially during torrential rain and the front wipers are particularly slow. For comparison, at maximum speed, the speed is about one round trip per second. If they are indeed slower, the reasons could be multiple. But there is a good chance that it is the engine that is the reason. You can always dismantle components to perceive what is holding back the mechanism. Be careful not to scratch your windshield. It is also plausible that the wear of the broom slows the mechanism. In this case, you just need to change the brushes .