- Insufficient grip: The front wheel loses grip on the road surface, causing it to slide freely when the brake is applied. This could be due to slippery conditions, such as wet or icy roads, or poor tire condition, such as worn or balding tread.
- Mechanical problems: Issues with the braking system can cause the front brakes to lock up. For example, a stuck brake caliper, a problem with the master cylinder, or a fault in the brake fluid lines could prevent the brakes from releasing correctly, causing the front wheel to lock up.
- Incorrect technique: If the driver applies too much brake pressure, especially in a sudden or abrupt manner, the front wheels may lock up. Over-braking is more common in inexperienced drivers or during panic stops.
- Brake imbalance: If the front and rear brakes are not properly adjusted or balanced, the front brakes may bear too much of the braking force, causing them to lock up. Incorrect brake fluid levels or worn brake pads could also contribute to an imbalance in braking force distribution.
- Excessive weight distribution: If the vehicle's weight is primarily concentrated at the front, such as in a heavily loaded pickup truck or SUV, it can put added strain on the front brakes during braking, increasing the risk of locking up.
