Engine Overheating: A Look at 4 Common Causes

Ken’s Muffler & Brakes • 10 September 2025
Silver Toyota Hilux pickup truck on a road, driving towards the viewer.

When your vehicle overheats, it’s more than just an inconvenience—it’s a warning sign that something under the hood isn’t functioning properly. An overheated engine can cause serious damage if not addressed quickly. At Ken’s Muffler & Brakes, we provide expert cooling system repair in the greater Dallas area. Here are four issues that often lead to an overheating vehicle.


Failing Thermostat

The thermostat is a small but essential component that controls the flow of coolant through your engine. If the thermostat gets stuck in the closed position, coolant cannot circulate, and heat builds up rapidly. Drivers may notice the temperature gauge rising unusually fast, signaling that the thermostat may be malfunctioning. Replacing a faulty thermostat is a relatively simple repair, but ignoring it can result in significant engine damage from overheating.


Low Coolant Levels

Coolant plays a critical role in keeping your engine at the right temperature. If your coolant levels are low, your car will struggle to regulate heat, especially in hot weather or heavy traffic. Leaks in the radiator, hoses, or water pump are often the culprits behind coolant loss. Without enough coolant circulating through the system, the engine cannot dissipate heat properly, which can quickly lead to overheating. 


Radiator Problems

The radiator is responsible for cooling down the hot coolant before it circulates back into the engine. When the radiator becomes clogged, damaged, or develops leaks, it cannot perform this crucial function. A clogged radiator may be caused by debris buildup, while leaks are often the result of corrosion or physical damage. Because the radiator is central to the cooling process, problems with it can easily lead to overheating.


Malfunctioning Water Pump

The water pump enables coolant to flow properly throughout the engine. If the pump fails, coolant will not move efficiently, and the engine will begin to overheat. Signs of a failing water pump include coolant leaks and whining noises. Prompt replacement is necessary to prevent serious damage.


Cooling System Repair in Dallas, TX

For expert auto repair in Dallas and the surrounding area, contact Ken’s Muffler & Brakes at 214-308-2320. Feel free to give us a call to make an appointment!

by Ken’s Muffler & Brakes 10 August 2025
Your vehicle’s suspension system plays a vital role in ensuring a smooth, stable ride. It helps maintain tire contact with the road, supports handling and braking, and absorbs the shock from bumps and rough surfaces. When the suspension starts to fail, it can affect not only comfort, but also your safety. Knowing the early warning signs of a suspension problem can help you address the issue before it leads to bigger and more expensive repairs. At Ken’s Muffler & Brakes, we provide expert suspension repair in the greater Dallas area. Here’s a look at four common indications of a suspension issue. Rough or Bumpy Ride One of the most noticeable signs of a suspension issue is a sudden change in ride quality. If your car starts to feel every bump, pothole, or crack in the road, your shocks or struts may be worn out. These components are designed to absorb impacts and keep your vehicle stable. A rough ride usually means that they’re no longer doing their job effectively, and replacement may be necessary to restore comfort and control. Drifting or Pulling During Turns If your car feels like it’s drifting or pulling to one side when you’re turning a corner, it could be a sign of a suspension problem. This symptom often points to worn shocks or damaged suspension components that can no longer keep the vehicle stable. Ignoring this issue can increase the risk of a rollover or loss of control, especially at higher speeds or on winding roads. Uneven Tire Wear Your suspension system helps distribute the vehicle’s weight evenly across all four tires. When something is wrong—such as misaligned wheels, damaged struts, or failing control arms—you may start to see uneven or premature tire wear. If your tires show more wear on one side or in unusual patterns, it’s a good idea to have the suspension checked along with alignment. Nose Dives When Braking When your car sharply dips forward during hard braking, it’s often a sign that the front suspension components, particularly the shocks, are worn out. This “nose dive” effect reduces your ability to stop quickly and safely, as more force is being transferred to the front tires. It’s not only uncomfortable—it’s also a potential safety hazard. Suspension Repair in Dallas, TX For auto repair in Dallas and the surrounding area, contact Ken’s Muffler & Brakes at  214-308-2320  . Feel free to give us a call to make an appointment!
by Ken’s Muffler & Brakes 10 July 2025
When your check engine light comes on, it’s easy to ignore—especially if your vehicle still seems to be running fine. However, that glowing warning on your dashboard is your car’s way of telling you that something’s wrong under the hood. While some issues may be minor, others can soon lead to major damage if not addressed in a timely manner. At Ken’s Muffler & Brakes, we provide expert check engine light diagnostics and repair in the greater Dallas area. Here are four common check engine light triggers that should be resolved ASAP. Faulty Oxygen Sensor A malfunctioning oxygen sensor is one of the most common reasons the check engine light turns on. This sensor monitors how much unburned oxygen is in the exhaust and helps regulate your engine’s fuel-to-air ratio. When it fails, your engine can run inefficiently, causing poor gas mileage and increased emissions. If left unaddressed, it can also cause issues with your catalytic converter, resulting in a costlier repair. Failing Catalytic Converter The catalytic converter is essential for reducing harmful emissions. If it's failing, your vehicle will not only emit more pollutants but also suffer from reduced performance and fuel-economy. This is a problem that requires immediate repair. Worn Spark Plugs or Ignition Coils Spark plugs and ignition coils work together to ignite the air-fuel mixture in the engine cylinders. If either begins to fail, your engine can misfire, leading to rough idling, reduced power, and poor acceleration. Ignoring this issue can result in further engine trouble, and it should be diagnosed as soon as possible. Mass Airflow Sensor Issues The mass airflow (MAF) sensor measures the amount of air entering the engine and helps determine the proper fuel delivery. When it fails, your car may experience stalling, hesitation, and poor fuel-economy. This component is critical to engine performance, and a faulty MAF sensor can lead to worsening car trouble if not promptly resolved. Check Engine Light Diagnostics & Repair in Dallas, TX For auto repair in Dallas and the surrounding area, contact Ken’s Muffler & Brakes at  214-308-2320  . Feel free to give us a call to schedule an appointment!
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