Browsing Tag


Behind the Wheel

FAQ: Steering System

February 11, 2017
Do you ever wonder how your car magically turns left or right upon your steering command? Well, there is an entire system in place that enables you to do so. The steering system converts your steering wheel rotation into a movement of your vehicle’s wheels correctly. There are three steering systems, but today we are going to focus on the two most common systems.  
  • The Rack-and-Pinion System The rack-and-pinion system is compiled of a steering column with a small pinion inside of it. When the pinion is turned it makes the rack move from side to side. The rack is attached to the vehicle’s wheels allowing for precise movement and turning. The rack-and-pinion system is a simple system and has a few parts that become worn and need to be replaced, but it’s an easy fix nonetheless.
  • Power-Assisted Steering System The power-assisted steering system is the most common system nowadays with newer vehicles. In this system, power-assisted steering overcomes heavy gearing. Oil is applied to the rack or the steering box via the vehicle’s engine. There are valves located in the steering rack or box that will open up whenever the steering wheel is turned. Once open, the oil enters into the cylinder and helps to push the steering in the right direction. When the driver stops turning the wheel then the valve shuts. The benefits of power-assisted steering is its ability to alleviate heavy steering. When the power stops working the driver can still steer, but it would just be heavier.
  The steering system is highly important because if you are unable to control where your vehicle is moving, well things could definitely end up poorly. Sometimes the steering wheel can feel loose or lock up when something in the system is wrong. If you are having one of these issues, please feel free to schedule an appointment at one of McCarthy Auto Group’s service centers today!
Car Culture

FAQ: Exhaust System

January 25, 2017
Let’s start from the beginning here and learn about the exhaust system step by step. Overall, a car’s exhaust system is meant to exhaust gases away from your engine. The entire system functions together to achieve this. Depending on your system’s design, the gases will flow through aspects of the system in different ways. Generally, a vehicle’s exhaust system is made up of a variety of parts including: exhaust manifold, cylinder head, muffler, tail pipe, exhaust pipe, oxygen sensor, and catalytic converter. However, depending on the make and model of your car; the exhaust gas may flow through less/more. Exhaust manifold This encompasses the cylinder head and pipe. Basically, the exhaust manifold takes the burned exhaust gases from your engine’s cylinders and combines them into one pipe leading to the ejection of the gas out through the car’s tail pipe. Overtime, the manifold can experience cracks or leaks due to the constant expanding and contracting of the heating and cooling components in the engine, so it’s best to not let your manifold go unnoticed. Cylinder Head This is the end cover of the cylinder in an internal combustion engine. It has several different functions: housing the exhaust, intake valves, fuel injector, and helps link passage for the fuel/air mixture. Muffler Simply, the muffler serves as a device to quiet the exhaust down. It helps to decrease the amount of noise emitted from the exhaust process in an internal combustion engine. Tail Pipe This is simply just the rear section of the exhaust system that helps to carry the gases (fumes) from the muffler to the rear of the car. car-exhaust-1902909_960_720 Exhaust Pipe Throughout the exhaust system, the exhaust pipe helps to carry the gas through its journey to the tail pipe. Oxygen Sensor Most modern fuel injected cars use/include an oxygen sensor to measure the amount of oxygen that is present in the exhaust. This is located in the exhaust manifold (or near it) to ensure the correct mixture of air/fuel is combining for maximum fuel economy. Catalytic Converter This part helps to convert harmful fumes like carbon monoxide into water vapor and carbon dioxide. It is found between the exhaust manifold and the muffler. Now you more thoroughly know about the parts that work together to make up your exhaust system. It is essential to keep your exhaust system in good condition to help your fuel mileage, environment, and overall, your safety. A good rule of thumb to remember is that rust is your exhaust system’s biggest enemy. You want to avoid cracks and leaks at all costs, so get your exhaust system checked often to make sure you stay in good condition! Schedule service today to get this easily checked now that you know!
Car Culture

FAQ: Fuel System

January 18, 2017
The fuel system plays a critical part in the functionality of your car. The fuel system is responsible for storing and delivering the gasoline or diesel fuel needed for your engine to run smoothly. Without the proper functioning of any of the components that make up this system, your vehicle will struggle to run effectively. The fuel system starts with the fuel tank. The fuel tank holds the fuel for your vehicle and lets the gas gauge know how much gas is in the tank.  Before the gas reaches the tank it is passed through the fuel pump for proper dispensation. The pump then pushes gas into fuel lines that deliver the gas from the tank to the car engine. However, before the fuel can even reach the engine it must first pass through the fuel filter. The fuel filter is extremely important! The fuel filter cleans and removes any impurities or debris from the gas before it gets to the engine. Without the fuel filter your vehicle would be in danger of dirt buildup and clogging. It is important to keep a clean fuel filter to ensure a long-lasting and clean-running engine. The fuel system is what helps keep your car running. It is recommended that you get your fuel filter replaced every one to two years or every 30,000 miles driven. By checking and replacing your fuel filter regularly you have a better chance at having a long-lasting engine. If you are needing to get your fuel filter replaced make sure to schedule an appointment at one of McCarthy Auto Group’s service centers today!