What are the common faults of parking brakes?

1 Answers
AllieLee
07/30/25 8:33am
Parking brake faults mainly include: poor parking brake performance and inability to position the parking brake lever. The parking brake usually refers to the manual brake installed in motor vehicles, commonly known as the handbrake, which is used to stabilize the vehicle after it has stopped to prevent accidents caused by rolling on sloping roads. The parking brake device, commonly called the handbrake, has two main functions: 1. After the vehicle is parked, it applies a continuous and stable braking force to prevent rolling; 2. In emergency situations, it can be operated together with the service brake for braking control. The main reasons for poor parking brake performance are: 1. Excessive brake clearance, too small contact area between the brake shoe and drum, oil contamination or hardening of the brake shoe or lining, exposed rivets, severe deformation of the brake drum or disc; 2. Wear and looseness of various components of the operating mechanism, excessive clearance, or overly long cables.
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