O'Fallon Auto Repair

In the evolving landscape of automotive fuels, ethanol has become a significant component. But what exactly is ethanol, why is it added to fuel, and what does its presence mean for your vehicle? Let’s dive into the details. What is Ethanol? Ethanol is an alcohol-based fuel additive derived primarily from corn or other plant materials. It’s often blended with gasoline to create what’s known as "gasohol." In the U.S., common blends include E10 (10% ethanol) and E85 (85% ethanol). The primary reasons for adding ethanol are to reduce greenhouse gas emissions, enhance octane levels, and provide a renewable alternative to purely fossil fuels. Why Add Ethanol? Ethanol helps to lower the overall carbon footprint of gasoline, as it's produced from renewable resources. Additionally, ethanol raises the octane rating of fuel, which can improve engine performance and efficiency. This blend also supports domestic agriculture and r ... read more

As the leaves turn golden and the air takes on a crisp bite, it's not just your wardrobe that needs a seasonal update—your car does too! Here at Hillside Auto Repair, we’re here to make sure your ride is just as ready for autumn as you are.  So, buckle up (pun intended) and let’s dive into the essentials of fall automotive maintenance. Trust us, you don’t want to let this season sneak up on you like an unexpected pumpkin spice latte.  Why Fall Maintenance? Autumn isn’t just a picturesque season; it’s a time when your vehicle faces some unique challenges. From chilly mornings to unpredictable weather patterns, your car’s performance can take a hit if you’re not prepared. Here’s why you should give your car a little extra TLC before winter hits: Temperature Twists: As temperatures drop, so does your car’s ability to perform at its peak. Fluids thicken, tires lose their grip, and batteries can s ... read more

When it comes to maintaining your vehicle’s performance, safety, and overall longevity, one crucial aspect that should never be overlooked is wheel alignment. Proper alignment ensures that your vehicle's wheels are set to the optimal angles, as specified by the manufacturer. This adjustment might seem minor, but it has significant impacts on your vehicle’s health and the life of your tires. Why Wheel Alignment MattersImproved Tire Longevity One of the most immediate benefits of proper wheel alignment is the extended lifespan of your tires. Misaligned wheels cause uneven tire wear, which leads to premature tire replacement. For instance, if your wheels are out of alignment, the tires might wear down more quickly on one side or develop bald spots. Regular alignment checks help ensure even tire wear, allowing you to get the maximum mileage out of your investment. Enhanced Vehicle Handling Proper alignment ensures tha ... read more

Tire rotation is a crucial aspect of vehicle maintenance that often gets overlooked. Understanding how often you should rotate your tires and the benefits of doing so can significantly impact your vehicle's performance, safety, and overall cost of ownership. In this blog post, we'll explore why tire rotation is essential, how often you should do it, and how Hillside Auto Repair can help you maintain your vehicle in peak condition. The Importance of Tire Rotation Even Tire Wear: Tires wear unevenly due to the different forces they experience based on their position on the vehicle. Front tires typically bear more load and experience greater wear due to steering and braking. By rotating your tires regularly, you ensure that each tire wears evenly, which extends the life of all four tires. Improved Handling and Performance: Unevenly worn tires can affect your vehicle’s handling and performance. Rotating your tires helps maintain balanced handling and a smo ... read more

Your vehicle’s Anti-lock Braking System (ABS) is crucial for maintaining control during sudden stops and slippery conditions. When the ABS light illuminates on your dashboard, it's a clear signal that something within this vital system needs attention. Addressing ABS light issues promptly is essential for ensuring your safety on the road. At Hillside Auto Repair, we understand the importance of a properly functioning ABS system and are here to guide you through the diagnostic and repair process. Additionally, our commitment to quality service is backed by a 3-year/36,000-mile warranty on parts and labor, providing peace of mind with every repair. Understanding the ABS System Before diving into diagnostics, it’s helpful to understand the basics of the ABS system. ABS prevents wheel lockup during braking by modulating brake pressure, which helps maintain steering control. The system consists of various components, including sensors, the ABS control modu ... read more