O'Fallon Auto Repair

The Repair Conversation That Gets People Talking We have all seen the sentiment behind the photo: someone can sign paperwork for a $60,000 truck, finance it at 9% interest, and drive away without blinking, but when a paid-off vehicle needs a $2,500 repair, suddenly the repair shop is accused of robbery. It is a funny comparison because it exposes a very real disconnect in the way many people think about vehicle ownership. The truth is that owning a vehicle outright does not make it free to operate. Cars and trucks still have brakes, suspension components, steering systems, cooling systems, electrical components, drivetrains, tires, fluids, sensors and dozens of other systems that wear out or require maintenance. At Hillside Auto Repair, we believe understanding that reality is one of the most important parts of being a responsible vehicle owner in O'Fallon, Missouri. Paid Off Does Not Mean Maintenance Free There is something psychologically satisf ... read more

Your vehicle’s PCV valve may be small, but it plays a major role in keeping your engine healthy. PCV stands for Positive Crankcase Ventilation, and this valve helps manage the gases that build up inside the engine’s crankcase during normal combustion. Rather than letting those gases linger and create pressure, the PCV system routes them back into the intake system so they can be burned again. It is a smart, practical system that helps your engine run cleaner and more efficiently. Why Your Engine Needs Proper Ventilation Every running engine experiences a small amount of combustion gas slipping past the piston rings. Without a way to vent those gases, pressure can build inside the engine and potentially force oil past seals and gaskets. The PCV valve regulates this flow, helping protect against oil leaks, sludge buildup, and excessive crankcase pressure. Think of it as your engine’s pressure-relief manager, working quietly in the background while you ... read more