Your car’s alternator is one of the most important components of its electrical system. It generates the power needed to keep the battery charged and ensures that lights, electronics, and critical systems run smoothly. When an alternator begins to fail, it often gives warning signs before completely breaking down. Recognizing these symptoms early can prevent you from being stranded. At Hye-Tech Auto, we provide expert alternator replacement and auto electric repair in the greater Covina area. Here are five signs of alternator failure. Dashboard Warning Light Most modern vehicles are equipped with a warning system that alerts you when something is wrong with the charging system. A battery-shaped icon or the letters ALT or GEN may appear on your dashboard. While this light might make you think the battery is at fault, it often points to alternator trouble. Ignoring this warning can result in your car losing power completely, so it should be addressed promptly. Malfunctioning Lights One of the most common indications of a failing alternator is dimming or flickering headlights. Since the alternator provides power to the vehicle’s lighting system, any fluctuation in its performance can be reflected in the brightness of the lights. You may also notice dashboard or interior lights behaving erratically. Strange Noises Under the Hood If you hear whining, grinding, or squealing sounds coming from the engine area, the alternator could be the culprit. Worn-out bearings or a belt problem can cause these unusual noises. Any unexpected sounds should be checked by a mechanic to avoid more serious issues. Electrical Issues Throughout the Car When an alternator weakens, it struggles to supply enough electricity to all of the car’s systems. This can lead to slow or malfunctioning power windows, erratic radio performance, or failure of heated seats and other accessories. Even the air conditioning system may be affected. A Dead or Weak Battery While the battery provides the initial power to start your car, the alternator is responsible for keeping it charged. If the alternator is no longer functioning properly, the battery will drain, leaving you with repeated jump-starts. Replacing the battery alone won’t solve the problem if the alternator is the true source of the issue. Alternator Replacement & Auto Electric Repair in Covina, CA When you need auto repair in Covina and the surrounding area, contact Hye-Tech Auto at  626-332-5452  . At our local auto shop, we can expertly handle your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment for car care in greater Covina, CA!

An overheating engine is one of the most stressful issues a driver encounters. Not only can it leave you stranded on the side of the road, but it can also cause severe damage to your vehicle if not addressed quickly. Understanding the most common problems that cause overheating can help you spot warning signs early and prevent costlier repairs. At Hye-Tech Auto, we provide expert cooling system repair in the greater Covina, CA area. Here are four issues that often lead to engine overheating. Faulty Thermostat The thermostat is a small but vital component that regulates the flow of coolant through the engine. When it’s functioning correctly, it opens and closes at the right times to maintain consistent operating temperatures. If it fails in the closed position, coolant can’t circulate, causing the engine to heat up rapidly. A faulty thermostat is a relatively inexpensive fix, but ignoring it can result in significant engine damage. Radiator Issues The radiator is designed to release heat from the coolant before it cycles back through the engine. If it’s clogged with rust, dirt, or debris, it won’t be able to do its job effectively. Damaged radiator fins or a broken radiator fan can also reduce efficiency. When the radiator can’t cool the fluid, the engine temperature climbs, especially during long drives or in hot weather. Water Pump Failure The water pump ensures that coolant circulates through the engine, hoses, and radiator. If the pump fails, circulation stops, and the engine quickly overheats. Since the water pump is central to the cooling system, it’s important to address any issues with it right away to prevent overheating and potential engine failure. Cooling System Leaks Leaks are another common cause of overheating. Cracks in hoses or a damaged radiator are issues that can allow coolant to escape. Even small leaks reduce the cooling system’s ability to regulate temperature, and over time, they can cause the engine to overheat severely. Regular inspections help catch leaks before they lead to major problems. Cooling System Repair in Covina, CA For expert auto repair in Covina, CA and the surrounding area, contact Hye-Tech Auto at  626-332-5452  . At our local auto shop, we can thoroughly address your vehicle’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!