Four-wheel drive, also known as 4×4 or 4WD, is a four-wheeled vehicle with a drivetrain that allows all four wheels to receive torque from the engine simultaneously.
Four-wheel drive provides extra traction and stability, especially on rough or slippery surfaces. 4WD is often used in off-road situations, but it can also be useful in wet or snowy weather conditions. Some modern cars and SUVs are equipped with an automatic 4WD system that engages the drivetrain when needed, while others require the driver to manually select 4WD mode.
Four-wheel drive vehicles are built for tough terrain and off-road driving, so they can handle a fair amount of wear and tear. However, there are some common problems that can occur with four-wheel drive systems. For example, the differential is typically located underneath the vehicle, making it susceptible to damage from rocks and other obstacles. In addition, the front axle is also vulnerable to damage from impact. Over time, these components can become worn down and need to be replaced. Another common issue is with the transfer case. This component helps to distribute power evenly to all four wheels. However, it can become damaged or broken if the vehicle is driven over large bumps or through deep water.
- Grinding noise
- Loss of power when shifting gears
- Vehicle slipping or drifting when making turns