Your vehicle’s cooling system plays a critical role in maintaining the engine's temperature and preventing overheating. When the cooling system fails, it can lead to severe engine damage and expensive repairs. Recognizing the signs of trouble early can help you address issues before they escalate. At Auto Science, we provide expert cooling system repair in the greater Lewisville area. Here are five common signs of a cooling system problem.
Engine Overheating
One of the most obvious signs of a cooling system problem is an overheating engine. If you notice the temperature gauge rising above the normal range or see steam coming from under the hood, it’s a clear indication that the cooling system is not functioning properly. Overheating can be caused by a variety of issues, including a malfunctioning thermostat, a coolant leak, or a failing water pump.
Low or Leaking Coolant
Coolant is essential for regulating the engine’s temperature, and a low coolant level can compromise the entire system. You may notice a warning light on the dashboard or see a visible puddle of coolant under your vehicle. Leaks can occur in the radiator, hoses, or water pump, and ignoring them can lead to overheating and engine damage.
Frequent Temperature Fluctuations
If your engine’s temperature fluctuates frequently, it could be a sign of an issue with the thermostat. The thermostat regulates the flow of coolant through the engine, and if it’s stuck open or closed, it can cause erratic temperature changes.
Strange Noises from the Engine
Unusual noises, such as whining or grinding, can indicate cooling system trouble. These noises may be caused by a failing water pump or a loose belt. Addressing these issues promptly can help prevent further damage and keep your engine running smoothly.
Sweet Smell Inside or Outside the Vehicle
Coolant has a distinct sweet smell, and if you notice this odor inside or outside your vehicle, it could indicate a leak. A coolant leak can occur in various parts of the system. Detecting and fixing the source of the leak is crucial to maintaining proper engine temperature and preventing overheating.
Cooling System Repair in Lewisville
When you need auto repair in Lewisville, TX and the surrounding area, contact Auto Science at (972) 245-7200 . At our nearby auto shop, we can expertly address your vehicle’s repair and maintenance needs. Feel free to give us a call to make an appointment!








