Front brake disc action
The main function of the front brake disc is to provide friction surface, clamp the brake disc through the brake caliper, generate braking force, thereby slowing down or stopping the vehicle .
The brake disc is a circular plate that turns as the vehicle moves. When the driver presses down on the brake pedal, the brake calipers clamp the brake disc and use friction to convert the kinetic energy of the vehicle into heat energy, thus achieving the braking effect .
How the front brake disc works
Brake disc produces braking force by clamping the disc face with brake calipers. The piston in the brake caliper is pushed by the pressure of the brake oil, clamping the brake disc, generating friction, thereby slowing down or stopping the vehicle .
The importance of the front brake disc
The front brake disc plays a vital role in the automobile braking system. Not only does it provide the necessary friction to slow the vehicle down or bring it to a stop, it also plays a key role in emergency braking. The wear condition of the front brake disc directly affects the braking effect and safety of the vehicle. If the front brake disc is seriously worn or malfunctioning, the braking distance may be extended, the braking effect weakened, and even a safety accident .
Maintenance and replacement standards
The replacement criteria of the front brake disc include checking the thickness of the brake disc, the wear condition and the presence of cracks or deformation. In general, the brake disc needs to be replaced when it reaches the limit wear thickness or cracks, deformation, etc. In addition, regular inspection of the thickness and wear of the brake disc to ensure that it is in good condition is an important measure to ensure driving safety .
Front brake disc failure may present with a variety of symptoms, including abnormal brake noise, brake jitter, brake heat, etc. These symptoms are usually caused by brake disc wear, improper installation, or quality problems.
The specific performance and cause of brake disc failure
Abnormal brake noise : Problems such as a raised edge of the brake disc or the wrong type of brake pads may cause a "sizzling" or "clomping" when braking. When the brake pads are worn to the limit, they will make a "sizzling" sound similar to fingernails on a blackboard .
brake jitter : Deformed or improperly installed brake discs can cause high-frequency pedal or body jitter when braking. Excessive runout of the brake disc can also cause this problem .
brake fever : Frequent and continuous brake operation, insufficient brake disc clearance or excessive wear may cause the brake disc temperature to rise, this phenomenon is called brake disc fever .
Fault diagnosis and solution
Check brake disc smoothness : If the edge of the brake disc is raised more than 1 mm, the brake disc and brake pads need to be replaced. A coin can be used as an aid for measurement .
Adjusting and replacing parts : Parts that are improperly installed or damaged need to be adjusted or replaced. For example, adjust hub runout, make sure brake discs are properly tightened, or replace damaged brake system parts .
regular maintenance : Ensure regular inspection and replacement of worn parts to avoid failures caused by neglect of maintenance .
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