O'Fallon Auto Repair

In the realm of automotive mechanics, understanding how a combustion engine works is fundamental. This knowledge not only aids in appreciating the marvel of engineering behind our vehicles but also empowers us to recognize and address issues such as engine misfires effectively. In this blog post, we delve into the workings of combustion engines, identify the symptoms of misfires, emphasize the importance of professional diagnosis and repair, and highlight the benefits of choosing a reliable service provider like Hillside Auto Repair, renowned for their exceptional warranty offerings. How Combustion Engines Operate A combustion engine is the heart of most automobiles, utilizing controlled explosions of fuel to generate power. Here’s a simplified breakdown of its operation: Intake Stroke: The intake valve opens, allowing a mixture of air and fuel to enter the combustion chamber. Compression Stroke: The piston compresses the fuel-air mixture, optimizing its combu ... read more

As the summer heat sets in, optimizing your vehicle’s fuel efficiency becomes more crucial than ever. Whether you're planning a road trip or simply commuting in the heat, ensuring your car is in top condition can significantly enhance your miles per gallon (MPG). Let's explore practical tips to maximize MPG during the summer months, the importance of regular maintenance in achieving this goal, and why Hillside Auto Repair stands out as your trusted partner in maintaining your vehicle’s peak performance. Why is MPG Important in Summer? During summer, warmer temperatures can impact your vehicle’s fuel efficiency in several ways. Increased use of air conditioning, longer idling times in traffic due to vacations or road trips, and even the composition of gasoline in hotter weather can all contribute to higher fuel consumption. By taking proactive measures, you can mitigate these effects and keep your MPG as high as possible. Tips to Max ... read more

The Fourth of July is more than just a date on the calendar; it's a celebration of our nation's history, a time to come together with family and friends, and a night filled with spectacular fireworks displays that light up the sky. This day embodies the spirit of patriotism and the joy of freedom that we hold dear as Americans. Whether you're planning a backyard BBQ, a trip to the local fireworks show, or a road trip to visit family, it's crucial to keep safety in mind, especially when it comes to transporting fireworks and ensuring your vehicle is in top shape. Fireworks and Family: A Time-Honored Tradition For many of us, the Fourth of July brings back fond memories of childhood—sparklers in hand, eyes wide with wonder as the night sky bursts into color. It's a time to create lasting memories with our loved ones. However, while fireworks are a beloved part of the celebration, they also require responsible handling to ensure everyone stays ... read more

In the realm of automotive maintenance, few issues are as notorious and potentially dangerous as warped brake rotors. When your vehicle's braking system isn't performing at its best, it not only compromises your safety but also diminishes the overall driving experience. Traditionally, mechanics often recommended "turning" or machining rotors to correct issues like warping. However, advancements in automotive technology and safety standards have revealed significant drawbacks to this practice, making it increasingly outdated and potentially hazardous. What Causes Warped Rotors? Before delving into why turning rotors is no longer advisable, it's essential to understand what causes rotors to warp in the first place. Warping typically occurs due to: 1. Heat Build-Up: During braking, friction generates immense heat. If this heat isn't adequately dissipated, it can cause uneven cooling of the rotors, leading to warping. 2. Improper Torqueing: Inc ... read more

In the intricate web of components that make up a modern automobile, the fuel pump holds a critical role, ensuring that your engine receives the necessary fuel for operation. This article delves into what a fuel pump is, its primary functions, signs indicating it needs replacement, and the importance of entrusting such repairs to professional auto repair facilities like Hillside Auto Repair.  What is a Fuel Pump and What Does it Do? A fuel pump is a vital component responsible for delivering fuel from the gas tank to the engine. In most vehicles, especially those with internal combustion engines, it operates using either electricity or mechanical means to maintain a steady flow of fuel at the required pressure. This consistent supply ensures that the engine operates smoothly and efficiently.  Symptoms of a Failing Fuel Pump Over time, like any mechanical part, a fuel pump can wear out or malfunction. Recognizing the signs of a failing fue ... read more