The alternator is a device that keeps your car’s electrical system running once the engine is on. It’s essentially a small generator that converts mechanical energy into electricity, bolted to the ...

Q–I own a 1991 Chevy Corsica with 63,000 miles on it. In cold weather, I hear a whining sound coming from the engine when I start the car. I experienced a similar problem before and replaced the water ...

My 2006 Acura TL with 230,000 kilometres has had the battery replaced twice and the alternator replaced once, yet, the battery is still often dead in the morning. – Irene When vehicles sit overnight, ...