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What is the reason for the brake disc still shaking after being resurfaced twice?

2 Answers
OZoey
09/07/25 4:28am
The reason why the brake disc still shakes after being replaced several times is due to an issue with the wheel's dynamic balance. It is necessary to perform a dynamic balance test to solve the problem. The braking system is crucial for the vehicle as it affects driving stability and safety. More details about the braking system are as follows: 1. Introduction one: The key components of the braking system include the vacuum booster pump, master brake cylinder, wheel brake cylinder, brake pads, and brake disc. The brake disc and brake pads are wear parts that need to be replaced regularly. As the vehicle's mileage increases, the brake disc and brake pads will continue to wear. 2. Introduction two: The braking device creates friction between the brake pads and the wheel hub or disc, converting the kinetic energy during driving into heat energy in the process.
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DiWyatt
09/19/25 3:48am
Last time my car also had severe brake rotor shaking. I had it resurfaced twice but it didn’t help – it felt like the wheels were about to fly off. After careful inspection, I finally realized the issue was in the suspension system: the control arm bushings had aged, causing uneven force distribution. I also found that poor brake rotor heat dissipation can easily lead to warping, especially after mountain driving or frequent hard braking – the metal material can’t withstand high temperatures and tends to deform. Another reminder: check the wheel hub bearing clearance. Loose bearings can cause the entire wheel to wobble, making the brake rotor shake along with it. My advice is to find a reliable repair shop to thoroughly inspect the entire chassis system. Don’t just focus on the brake rotors – sometimes the real problem hides where you can’t see it.
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What are the reasons for the Honda Accord's air conditioning not cooling?

Honda Accord's air conditioning not cooling may be due to air in the air conditioning system, damage to the air conditioning compressor, or damage to the air conditioning flap. Below are the reasons for the Honda Accord's air conditioning not cooling: Air in the air conditioning system: Once air enters the air conditioning system, it will cause excessive pressure in the refrigerant pipes and poor refrigerant circulation, leading to insufficient cooling. After repairing the air conditioning refrigeration system, a vacuum pump can be used to evacuate the system. When a certain level of vacuum is achieved, refrigerant can be added. Damage to the air conditioning compressor: This may cause the equipment to make unusual noises; the air conditioning will not be able to cool effectively; it may also result in no sound from the external unit when the switch is turned on. A scroll compressor is a type of positive displacement compressor, with compression components consisting of a moving scroll and a stationary scroll. Its working principle involves the relative orbital motion of the moving and stationary scrolls to form continuous changes in enclosed volumes, which are used to compress gas. It is mainly used in air conditioning, refrigeration, general gas compression, and applications such as automotive engine turbochargers and vacuum pumps. It can replace traditional small and medium-sized reciprocating compressors in a wide range of scenarios. If the air conditioning compressor is damaged, it can only be replaced. Damage to the air conditioning flap: Damage to the air conditioning flap motor is a relatively rare issue, but if the flap motor is faulty, it can be quite troublesome. The flap motor is usually located in the middle-lower part of the instrument panel and serves as the main switch for the air conditioning vents. If it is broken, the switch will need to be replaced. The hot-cold flap lever can be removed, and the flap can be manually secured to ensure it is tightly closed.
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What to Do When the Baojun E200 Charging Plug Cannot Be Pulled Out?

If the charging plug of the Baojun E200 cannot be pulled out, press the lock release switch button and then remove the charging gun. The charging port of the Baojun E200 is located at the front logo: Although there are many types of vehicles, their structures are largely similar. Generally, the basic structure of a vehicle consists of five main parts: the body, chassis, running gear, coupler buffer device, and braking system. Open the charging port switch inside the car, connect the charging gun to start charging, and a 220V household three-prong grounded socket can be used for charging. After charging is completed, press the lock release switch button to remove the charging gun. The charging gun interface has a locking function: After charging is completed, press the lock release switch button to remove the charging gun.
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Why does the new Sagitar make abnormal noises when passing over speed bumps?

Excessive clearance in the steering tie rod ball joint or damage to the chassis buffer components may cause abnormal noises when the new Sagitar passes over speed bumps. Excessive clearance in the steering tie rod ball joint: Excessive clearance in the steering tie rod ball joint can also cause a creaking sound when the car passes over speed bumps. You can lift the vehicle and forcefully shake both sides of the wheel to check for abnormal clearance. A properly functioning tie rod ball joint should not wobble. Damage to the chassis buffer components: Damage to the chassis buffer components can result in abnormal noises when passing over speed bumps. This may be caused by abnormalities in the rubber buffer blocks on the stabilizer bar, which is also a significant reason for abnormal noises when the vehicle passes over speed bumps.
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What does variable steering ratio mean for the Audi A6?

The variable steering ratio in a car refers to adjusting the steering gear's rotation ratio based on the vehicle's speed and steering angle. Here are the specific details: Function: When the car is driving at a relatively low speed or when the steering angle is large, a smaller steering ratio is provided. When the car is driving at high speed or the steering angle is small, a larger steering ratio is provided to enhance the stability of the vehicle body. Types: Currently, there are mainly two types of variable steering ratios in cars. One relies on a special rack to achieve the effect, which has a relatively simple working principle and lower production costs. The other method is more complex, utilizing a planetary gear structure and electronic system, resulting in higher production costs. Based on structure, they can be divided into mechanical variable steering ratio systems and electronic variable steering ratio systems.
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What does Civic front mean?

front button refers to the switch for the front windshield defroster. Function of the front button for windshield defogging: When fog or water droplets appear on the front windshield, you can press the front button to activate the front windshield defogging function. The air conditioning will automatically adjust to the front defogging vents, and the airflow will be strong, quickly clearing the fog from the windshield. Applicable conditions for the front button windshield defogging: The front button windshield defogging is only suitable for fogging inside the car, which commonly occurs on rainy days or in winter. If the fogging is on the outside of the windshield, do not press the front button, as this may worsen the fogging. Instead, turn on the wipers and open or close the windows to accelerate air flow.
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What Causes the Engine Warning Light to Illuminate in a Honda Accord?

Sensor malfunctions, vehicle maintenance issues, fuel quality problems, poor combustion of the air-fuel mixture, engine intake issues, turbocharging problems, exhaust system faults, and anti-theft system failures are the primary reasons for the engine warning light to illuminate. Additionally, during vehicle startup, the system performs a self-diagnostic check on the engine. Normally, the warning light should turn off after the self-check is completed. If it remains illuminated for an extended period, it is advisable to promptly visit a service station for professional assistance to diagnose and eliminate potential safety hazards. Detailed explanations for each type of fault are provided below: Sensor Issues: Sensors include those for coolant temperature, crankshaft position, air flow, intake air temperature, and oxygen levels. Damage to these sensors, poor contact, or signal interruption can prevent the vehicle's ECU from accurately obtaining engine data, triggering the engine warning light. In such cases, immediate professional inspection at a service center is recommended to address safety concerns. Maintenance Issues: Poor engine maintenance is the most common cause of the engine warning light illuminating. Vehicles have specific maintenance schedules, and failure to adhere to these schedules, combined with poor driving habits, can increase the engine's operational burden, eventually causing the warning light to activate as a fault indicator. Fuel Quality Issues: This refers to both fuel and engine oil. Vehicles typically require specific fuel grades, and engine oils are categorized as semi-synthetic or fully synthetic. Manufacturers usually recommend the appropriate fuel grade and oil type for the vehicle. Prolonged use of incorrect fuel or oil can lead to engine wear, triggering the warning light. Always use the recommended fuel grade and engine oil for your vehicle. Poor Combustion of Air-Fuel Mixture: Faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can cause poor combustion of the air-fuel mixture, leading to engine carbon buildup or knocking. These issues are detected by the oxygen sensors and reported to the ECU, which then illuminates the warning light as a warning. Intake Issues: Proper air intake is crucial for engine combustion. A dirty or clogged air filter can restrict airflow, potentially leading to blockages over time. Severe cases can trigger the engine warning light. Turbocharging Issues: Problems with the intake boost pipes or turbocharger can also cause the engine warning light to illuminate. Common issues include turbocharger damage, accompanied by symptoms such as oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Exhaust System Issues: Faults in the rear oxygen sensor, catalytic converter, exhaust camshaft, or bearings can trigger the warning light. The catalytic converter is particularly prone to failure due to factors like the use of leaded gasoline, lead or silicon-based oil additives, physical damage, or fuel system malfunctions. Anti-Theft System: Malfunctions in the electronic anti-theft system or mismatches between the anti-theft controller and the engine ECU can prevent the engine from operating normally, accompanied by the illumination of the engine warning light. Solutions for an Illuminated Engine Warning Light: If the engine warning light is on and the vehicle cannot start, this may be due to a faulty fuel pump or ignition components. Immediate assistance via phone is recommended. If the warning light is on but the vehicle is drivable, yet exhibits severe shaking or loss of power, pull over safely and call for roadside assistance. If the warning light is on but no driving abnormalities are observed, the issue may be limited to a sensor fault. While driving to a service station is possible, it is advisable to proceed at low to moderate speeds to minimize risk until the issue is resolved.
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