O'Fallon Auto Repair

As winter approaches, it's not just your car's tires, battery, and fluid levels that need attention. The drivetrain components—specifically the differential and transfer case—are critical in ensuring your vehicle performs optimally in challenging winter conditions. Whether you drive a two-wheel drive (2WD), four-wheel drive (4WD), or all-wheel drive (AWD) vehicle, understanding the maintenance needs of these components is essential for safe winter driving. At Hillside Auto Repair, we specialize in comprehensive vehicle maintenance to help you prepare for winter and ensure your car runs smoothly year-round. Let’s dive into the importance of maintaining your drivetrain components before winter weather arrives. Understanding 2WD, 4WD, and AWD Drivetrains2-Wheel Drive (2WD) In a 2WD vehicle, only two wheels—either the front or rear—receive power from the engine. These vehicles are most common and are generally suffi ... read more

As the colder months approach, many drivers begin to notice that their vehicle’s heater isn’t working quite as efficiently as it used to. The chill in the air is more than just an inconvenience; it could be a signal that something’s wrong under the hood. Among the most crucial components in your car’s heating system is the heater core—a small yet vital part that keeps you warm and your engine running smoothly in winter weather. But how does coolant play a role in all this, and what happens when something goes wrong with your heater core? Let’s dive in. How Coolant Works in Winter Weather Coolant (also known as antifreeze) is an essential fluid that circulates through your vehicle's engine, regulating its temperature to prevent overheating. During the winter months, coolant does much more than prevent the engine from freezing. It also helps ensure the heater operates effectively, which is crucial for both comfort and safety. I ... read more

As winter sets in, the risks of driving in snowy and icy conditions are high. Whether you live in a region prone to heavy snowfall or encounter occasional winter weather, the importance of ensuring that your vehicle is prepared for such conditions cannot be overstated. A key factor in safe winter driving is the quality of your tires. Tires, often overlooked until they fail, are the critical point of contact between your vehicle and the road. In winter, they become even more crucial for safety, and the right tires can mean the difference between staying on the road or sliding into a ditch.   Recent Snowfall and the Thanksgiving Weekend Debacle This year, many drivers got a rude awakening over the Thanksgiving holiday when a clipper snowstorm hit the I-70 corridor. What should have been a routine trip turned into a series of harrowing accidents, with lots of drivers finding themselves stuck or stranded after sliding off the road. The snowfall was minimum, but it wa ... read more