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Valeo car alternator

(727 products available)

About valeo car alternator

Types of Valeo Car Alternator

A valeo car alternator is an electrical generator that produces alternating current. It is a crucial component of a vehicle's power system. The alternator generates electricity to power the car's electrical system and charge the battery. The alternator provides a continuous power supply to the vehicle's electrical system, ensuring reliable operation of lights, infotainment, navigation, and other critical electrical components, even when the engine is running at low speed.

Valeo car alternators come in various types:

  • Internal vs. External Alternators

    Internal alternators have their electrical components housed within the case. In contrast, external alternators have their electrical components housed outside the case.

  • 1-Phase vs. 3-Phase Alternators

    1-phase alternators generate a single-phase output, while 3-phase alternators produce a three-phase output, which is more efficient and provides smoother power.

  • Salient Pole vs. Non-Salient Pole Alternators

    Salient pole alternators have projecting poles on the rotor, which improves torque and makes them suitable for low-speed applications. Non-salient pole alternators have smooth rotors, making them ideal for high-speed operation and better efficiency.

  • Vertical vs. Horizontal Alternators

    Car alternators can be positioned vertically or horizontally. Vertical alternators are more common and take up less space. In contrast, horizontal alternators take up more space and are more suitable for applications with limited vertical clearance.

  • Brush vs. Brushless Alternators

    Brush alternators use brushes and commutators for electrical connection, while brushless alternators eliminate brushes and use electronic circuits for this purpose. Brushless alternators are more efficient, require less maintenance, and have a longer lifespan.

  • Hydraulic vs. Air-Cooled Alternators

    Hydraulic alternators use hydraulic fluid to cool the components and are often found in high-power applications. In contrast, air-cooled alternators rely on airflow for cooling, making them more common and suitable for general-purpose use.

Specifications and Maintenance of Valeo Car Alternator

Alternators have different specifications that make them fit for use in various vehicles. Some of the common specifications include:

  • Output Current: This is the current produced by the alternator. It is measured in amperes. Different alternators produce different output currents. The output current for alternators ranges from 35 to 300 amperes. The alternator produced is determined by the power requirements of the vehicle.
  • Voltage Rating: All alternators have a voltage rating that is used to charge the battery and power the electrical system. The voltage rating for alternators is usually between 12 and 24 volts. The voltage rating for an alternator depends on the vehicle's size and the electrical system's configuration.
  • Physical Dimensions: Different alternators have different physical dimensions, including diameter and length. The physical dimensions of an alternator are determined by the mounting options and the internal components' size.
  • Weight: The weight of the alternator is important for vehicle performance. A heavy alternator can slow down the car and affect its speed. Car alternators weigh between 3 and 10 kg. The weight of an alternator is determined by its physical dimensions and the materials used in its construction.
  • Speed: All alternators have a minimum and maximum speed at which they operate. The minimum speed is 1000 revolutions per minute, while the maximum speed is 20000 revolutions per minute. The speed of an alternator is determined by the engine's rotation.
  • Temperature: The alternator has a maximum and minimum temperature at which it can operate. The maximum temperature is 150 degrees Celsius, while the minimum temperature is -40 degrees Celsius. The temperature of the alternator is influenced by external conditions and the cooling system's efficiency.

Like every other part of the vehicle, the alternator requires maintenance to ensure it works properly. Here are some maintenance tips for keeping the alternator in good shape:

  • Check the alternator belt: The alternator is connected to the motor by a belt. Ensure that the belt is in good condition and well-tightened. A loose or worn belt can prevent the alternator from spinning at the required speed.
  • Look out for warning lights: Check the dashboard for warning lights. If the dashboard has a warning light indicating a problem with the alternator, ensure that a trained mechanic inspects the alternator as soon as possible.
  • Check the battery: The alternator and battery work together to ensure the vehicle runs smoothly. When the battery is low, it puts extra pressure on the alternator. Regularly check the battery to ensure it is in good condition.
  • Clean the alternator: Dirt and dust can gather on the alternator and affect its function. Regularly clean the alternator to ensure it is free from dust and dirt.
  • Get a professional to inspect the alternator: Regularly visit a mechanic that can inspect the alternator and identify potential problems before they become major issues.

How to choose Valeo car alternator

Here are some of the factors that retailers and other buyers should consider when buying Valeo car alternators:

  • Car Model and Make

    The specific car model and make should be considered when selecting the alternator. This is because different alternators are designed to suit different cars. The car manual can be used to find the recommended alternator.

  • Output Capacity

    The output capacity of the alternator should be considered. The output capacity is the amount of current that is produced by the alternator. This is measured in amps. The output capacity should be in line with the power needs of the accessories and electrical components of the car. For high power needs, a high output alternator should be selected.

  • Physical Size and Mounting

    The physical size and mounting of the alternator should be considered. This is because the alternator needs to be mounted on the engine. Therefore, the size should be compatible with the mounting points of the engines.

  • Climate and Operating Conditions

    The operating conditions and climate of the region should be considered. For instance, regions with high temperatures require alternators that can withstand the heat. Also, the alternator should be durable in places with extreme conditions.

How to diy and replace valeo car alternator

Many car alternator problems arise from natural wear and tear. As mentioned earlier, the alternator has components that wear out and need replacement. Car owners can inspect the alternator to see if the case is a worn-out alternator belt.

If it's a worn-out alternator bolt, replacing it is a DIY-friendly task. A DIYer will need the right tools for the job, such as a socket set, safety glasses, and a wrench. Open the bonnet and locate the alternator. It's generally found at the back of the engine. Use a wrench to loosen the alternator belt. It's important to note that the belt may be tight, so one may need to use a pry bar to loosen it. Once the belt is loose, remove it from the alternator pulley and the other pulleys the belt wraps around. Then, inspect the belt to see if it has cracks. A cracked belt needs replacement.

If the belt isn't cracked, adjust the tension and continue to the pulleys. The alternator has two bolts that hold it in place. DIYers may need to remove the front tire and the inner fender lining to access the bolts. Use a socket set to remove the bolts and loose the alternator.

Now, here comes the tricky part—the alternator. Removing and installing an alternator requires a lot of effort. It's better to consult a professional mechanic for help. Once themechanic has replaced the alternator, DIYers can replace the fender lining and the front tire. Remember to adjust the belt tension.

Another way to replace a car alternator is to consult the user manual for instructions. Different car models have alternators installed in different places. The user manual will provide the exact location and step-by-step guide on how to remove and replace the alternator safely.

Q and A

Q1: How long does a Valeo car alternator last?

A1: Generally, a Valeo car alternator lasts between 5 and 10 years. However, the longevity of the alternator depends on many factors. For instance, the alternator won't last long if a car experiences heavy traffic frequently. Also, the weather has an impact on the longevity of the alternator. Extreme weathers like hot or cold will put a lot of stress on the alternator, thus reducing its lifespan.

Q2: What's the common alternator problem?

A2: The most common problem with alternators is wear and tear of the internal components like the diode, voltage regulator, brushes and others. The components will gradually become faulty as time goes by. When the components start to fail, they won't be able to produce enough current or voltage to power the electrical system of the car. This will result in a warning sign on the dashboard or a bright, weak or no light at all.

Q3: Can a car run without an alternator?

A3: Yes, a car can run without an alternator, but only for a limited time. The vehicle will run as long as the battery has enough charge. Once the charge in the battery is depleted, the car will not start or will stall if it's running.