O'Fallon Auto Repair

When it comes to the inner workings of an engine, the head gasket plays a crucial role that often goes unnoticed by the average car owner. However, understanding what a head gasket is, what it does, and the potential problems it can cause is essential for anyone who drives a vehicle. In this post, we’ll delve into the details of head gaskets, including their composition, functionality, symptoms of failure, and how Hillside Auto Repair can assist in diagnosing and addressing these issues. What is a Head Gasket? The head gasket is a vital component situated between the engine block and the cylinder head. This flat, durable piece of material acts as a seal that prevents the coolant and engine oil from mixing while also containing the pressure created during the combustion process. Essentially, it serves as the barrier that keeps everything running smoothly in your engine. Composition of Head Gaskets Head gaskets are typically made from materials t ... read more

Automotive brakes are critical components of vehicle safety, ensuring that drivers can stop effectively and avoid accidents. Understanding their composition, types, and the symptoms that indicate they may need replacing is essential for every vehicle owner. At Hillside Auto Repair, we pride ourselves on being brake experts, committed to keeping your vehicle safe and reliable. Composition of Automotive Brakes Brakes are made up of several key components, primarily including: Brake Pads: These are the friction materials that press against the rotor to slow down the vehicle. They are typically made from various materials, including organic, semi-metallic, and ceramic compounds, each offering different benefits in terms of performance, noise, and durability. Brake Rotors: Also known as discs, these are metal discs that the brake pads clamp down on. They are usually made from cast iron or carbon composite materials, designed to withstand high temperatures and provide eff ... read more

If you're a car owner, you've probably heard of terms like "transmission," "differential," and "driveshaft." But what about the carrier bearing? This often-overlooked component plays a crucial role in your vehicle's drivetrain, and its failure can lead to a host of problems. Let's dive into the world of carrier bearings and learn why they're so important. What is a Carrier Bearing? In simple terms, a carrier bearing is a set of bearings that support the driveshaft in vehicles with rear-wheel drive or four-wheel drive. The driveshaft is a rotating shaft that transmits power from the transmission to the differential, which then sends power to the wheels. The carrier bearing is located in the middle of the driveshaft, and it helps to keep the driveshaft aligned and rotating smoothly. The Purpose of a Carrier Bearing The carrier bearing serves several critical functions: Support: It provides support fo ... read more

As the seasons change and temperatures begin to drop, one essential component of your vehicle takes center stage: the radiator. This vital part not only keeps your engine running smoothly but also plays a significant role in your vehicle’s overall performance and longevity. In this post, we’ll delve into the history of radiators, their purpose, components, common failure symptoms, and how Hillside Auto Repair can assist you with your radiator needs, all while ensuring you’re covered with our impressive 3-year/36,000-mile warranty on parts and labor. A Brief History of Radiators The story of radiators begins in the late 19th century when the first automobile engines were developed. Early vehicles relied on steam to power engines, and cooling systems were primitive at best. By the early 1900s, the internal combustion engine gained popularity, and the need for a more efficient cooling method became apparent.  The modern radiator, as we know it, w ... read more

When it comes to vehicle maintenance, tire health often takes center stage. Among the key aspects of tire care is the balancing process, which plays a critical role in your vehicle's overall performance and safety. But why exactly do tires need to be balanced, and what are the symptoms of unbalanced tires? Let’s delve into these questions and explore the relationship between tire tread and balance, along with how Hillside Auto Repair can assist you. Why Tires Need to Be Balanced Tires are subject to wear and tear from the road, and balancing ensures that they wear evenly. Properly balanced tires improve fuel efficiency, enhance ride comfort, and extend the life of your tires. Unbalanced tires can lead to vibrations that affect not only the ride quality but also the vehicle's suspension system. Over time, these issues can escalate into more serious problems, costing you more in repairs. Symptoms of Unbalanced Tires Recognizing the symp ... read more