O'Fallon Auto Repair

The Problem with Transmission Failure Every year in the United States, over 13 million automatic transmissions fail, and that's a big issue. Research shows that almost 90% of these failures happen because the transmission overheats and the fluid gets contaminated. The main reason for this is the Automatic Transmission Fluid (ATF) getting oxidized, which makes it lose its protective abilities. Heat is a major factor in this oxidation process. Why Transmissions Fail Modern engines are smaller and faster, and with more stop-and-go driving, the ATF is exposed to higher temperatures, causing it to break down faster. The transmission is like the heart of the engine, providing power to the vehicle. With 800 parts, it takes an expert to fix any problems that arise. The Importance of Maintenance When small particles like metal shavings get into the transmission fluid, they can cause clogs and wear on the transmission components as they ... read more

While navigating the roads in the O'Fallon area, drivers may find themselves in a situation where the dashboard of their vehicle displays various warning lights, including the check engine light. This can be a moment of tension for any driver, but worry not! This detailed guide is crafted to offer you valuable insights into the check engine light, equipping you to effectively identify common issues and make educated decisions regarding your vehicle's maintenance. Understanding the Check Engine Light: The check engine light serves as a crucial indicator that modern vehicles utilize to notify drivers of potential problems within the onboard diagnostics system. Common triggers for the activation of this light include a loose gas cap, a malfunctioning oxygen sensor, or issues within the ignition system. Recognizing these common causes can aid in determining the seriousness of the issue. For instance, a loose gas cap typically presents a minor problem that can be e ... read more

Automotive technology has evolved significantly over the years, with vehicles becoming more advanced and equipped with a wide range of accessories and electrical components. One common feature found in many modern vehicles is the auxiliary battery. These secondary power sources play a crucial role in providing additional electrical capacity and ensuring the smooth operation of various accessories. Understanding the reasons behind the use of auxiliary batteries, the types of vehicles that utilize them, and the benefits they offer can shed light on their importance in the automotive industry. Let's delve deeper into the world of auxiliary batteries and explore why some cars rely on these supplemental power sources. Introduction to Auxiliary Batteries in Cars Auxiliary batteries in cars are like the sidekicks of the main battery, stepping in to provide extra power when needed. They're like the Robin to the main battery's Batman, here to save the day when thin ... read more

Shock absorbers are a fundamental component of a car's suspension system, playing a crucial role in providing a smooth and comfortable ride. Understanding how shock absorbers work is essential for maintaining vehicle safety, stability, and overall performance. In this article, we will delve into the inner workings of shock absorbers, explore their key components, discuss their functionality, highlight different types, emphasize their importance in a vehicle, identify signs of wear and tear, and provide maintenance tips to ensure optimal performance and longevity. Imagine driving in your car down a bumpy road and feeling like you're in a poorly made milkshake. That's where shock absorbers come in. They're like the unsung heroes of your vehicle's suspension system, working hard to keep your ride smooth and your teeth intact. Shock absorbers, or shocks for the cool kids, are mechanical or hydraulic devices designed to absorb and dampen shock impulses, providi ... read more

The coolant temperature sensor is a crucial component in modern vehicles, playing a vital role in maintaining optimal engine performance and preventing overheating. Understanding the function and importance of this sensor is essential for ensuring the smooth operation of your car's cooling system. In this article, we will delve into the intricacies of coolant temperature sensors, exploring how they work, common symptoms of sensor failure, and tips for proper maintenance. By gaining insight into the workings of this sensor, you can enhance your knowledge of your vehicle's cooling system and address potential issues proactively. So, you know that little sensor in your car that seems to always be keeping an eye on the engine temperature? Yup, that's the coolant temperature sensor, the unsung hero of your car's cooling system. Function and Importance of Coolant Temperature SensorRegulating Engine Temperature - The coolant temperature se ... read more