What happens to a car battery in the Cold? Not only is gas hard to vaporize and oil gooey when it’s cold, but batteries put out only half their normal power when the temperature is 0˚F (and only a third of their power when it's 32˚F). So in the cold, you may have to be patient. What happens to the climate control when the battery is disconnected? Here was my understanding. When the battery is disconnected the actuators controlling the climate control can lose their position. They think they are in the cold position when they are really in the...

How does 4 wheel drive work in a car? The gears in the rear differential allows the rear wheels to turn at different speeds when the vehicle turns left or right. While continuing to transfer equal torque to each wheel. When 4WD is engaged then the transfer case joins the front and rear axles and transmits equal power to the front and rear drive shafts. Why does my front wheel drive Jerk when I turn? This effect causes your vehicle to under-steer heavily, gears to get jammed and makes steering very difficult and even jerky. This phenomenon is caused by...

Does a bad caliper make your car shake? If you notice your car is vibrating, the components that might be faulty may include brakes, axles, steering wheel, or engine. So, the answer is YES. A bad brake caliper can cause a vehicle to vibrate. If the brake rotor of a car is out of balance, this can also cause excessive vibration when you press the brake. Can a loose brake caliper be a problem? Abnormal sounds from the wheels when braking is another potential problem with the brake caliper. If you notice any sort of high-pitched noises, sudden thudding, or...

Is high voltage DC? A high-voltage, direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current (DC) for the bulk transmission of electrical power, in contrast with the more common alternating current (AC) systems. Why is DC voltage high? High-voltage direct current (HVDC) technology offers several advantages compared to alternating current transmission systems. “If the transmission line route is longer than about 300 miles, DC is a better option because AC lines have more line losses than DC for bulk power transfer.” Why DC is not used for transmission? DC(Direct Current)...

Why do my lug nuts keep breaking? However, because the wheel stud is exposed to the elements and takes on tremendous daily stress, there are other issues that can cause these parts to wear out or break. Improper installation, over torquing of lug nuts, or under tightening of lug nuts can all cause a wheel stud to fail. What's the best way to change a broken lug? 1. Remove the wheel & tire. Here is a quick shot of my lug that needs changing at 11 o'clock. 2. Remove the brake caliper assembly and pads. The caliper itself does not...