Brake Drums and Shoes (How Do They Work?)

drum style parking brake

The brake drum has a similar working principle as a brake disc. When someone puts their foot on the brake pedal in their car, the brake shoes press up against a surface that is spinning. This spinning surface is the brake drum and they are usually located on the rear wheels of a vehicle. The … Read more

Thermal Efficiency of a Diesel Engine

Duramax LM2 diesel

Most people are familiar with the gasoline engine that powers most cars and trucks. However, diesel engines have increased in popularity in both the automotive and trucking industries. Most popular diesel engines are more efficient than gasoline engines, and they also tend to produce less pollution. One reason for their increased efficiency is their higher … Read more

Average Cost to Change Automatic Transmission Fluid

transmission fluid change cost

If you are driving a car with an automatic transmission, then you will need to change the automatic transmission fluid (ATF) according to the manufacturer’s change interval. In most cases, this will be about every 100,000 miles. You will also need to change the filter as well. Unlike changing your engine oil and filter which … Read more

6 Symptoms of a Bad Driveshaft (and Replacement Cost)

The wheels of any vehicle depend on power from the engine in order to make them turn and move the vehicle. The driveshaft (also called a propeller shaft or prop-shaft) is the component which is responsible for transmitting this power from the engine to the rear wheels of a rear-wheel-drive vehicle. If you are driving … Read more

Average Cost of Four Wheel Balancing

wheel balancing cost

Wheel balancing is a very important procedure that prevents the wheels and tires on your car from vibrating while spinning on the road. Getting a perfect balance calls for the checking of any heavy spots at the point where the wheels and tires meet. After identifying such spots, the mechanics can compensate for it by … Read more

5 Symptoms of Automatic Transmission Slipping

automatic transmission slipping

When the automatic transmission in your car is slipping, it can leave you stuck unexpectedly and even lead to a complete rebuild of the transmission. However, with some basic knowledge about the warning signs and symptoms of a slipping transmission, you can increase your chances of avoiding the expense of a new transmission. A vehicle’s … Read more

How a Radiator Coolant Overflow Tank Works

coolant overflow tank

The cooling system of a car may seem to work fine without any additional equipment attached to it but that will not save the cooling system of your car from any environmental damage like rust due to the way coolant works in a radiator. Rust can be formed inside the cooling system of your car … Read more

Automatic Transmission Vacuum Modulator Functions

automatic transmission vacuum modulator valve

For your car to shift appropriately, the automatic transmission vacuum modulator must analyze how hard the engine is working. It does this in two different ways. Even though some car makes and models have simple cable linkages attached to a throttle valve in the automatic transmission, it still serves the same purpose. How an Automatic … Read more

3 Symptoms of a Bad Speed Sensor (Engine or Vehicle Speed)

bad speed sensor symptoms

There are two common types of vehicle speed sensors and they each play a different role. One type, the engine speed sensor (or transmission speed sensor) is usually installed on the transmission or transaxle. The other type, wheel speed sensor (or vehicle speed sensor) is installed on the knuckle arm on the four wheels. The … Read more

How Does VTEC Work?

Not everyone knows what it stands Vtec, but probably almost everyone has read Vtec on vehicle sales brochure. Then what is it? And how Vtec works? Vtec ia an abbreviation of variable valve timing and Lift Electronic Control. Vtec is a regulator valve technology discovered by Honda and still used by a range Honda engines … Read more