Why can’t I press the brakes: recent hot topics and fault analysis
Recently, "the brakes won't work" has become a hot discussion topic on automobile forums and social platforms. Many car owners have reported sudden brake failure in their vehicles. This article combines the hotspot data of the entire network in the past 10 days to analyze possible causes and provide solutions.
1. Statistics of hot discussions on the entire network (last 10 days)
| platform | Amount of related topics | Main focus of discussion |
|---|---|---|
| 12,000 items | Abnormal braking of new energy vehicles | |
| car home | 860 posts | Vacuum booster pump failure |
| Zhihu | 430 answers | Braking system design flaws |
| Douyin | 32 million views | Emergency braking skills teaching |
2. Analysis of common fault causes
1.Vacuum assist system failure: Accounting for about 43% of fault cases, the main manifestation is that the brake pedal becomes hard and requires a lot of force to brake.
2.brake fluid problem: Data shows that 28% of the cases are related to excessive water content or leakage of brake fluid.
| Fault type | Proportion | Typical symptoms |
|---|---|---|
| Booster pump failure | 43% | pedal stiff |
| Abnormal brake fluid | 28% | Pedal stroke becomes longer |
| Mechanical stuck | 19% | intermittent failure |
| Electronic system failure | 10% | Alarm light comes on |
3. Emergency treatment plan
1.Double pedal operation method: When you find that the brakes have failed, press the brake pedal twice quickly to restore the short-term braking force.
2.engine braking: Manual transmission vehicles can downshift step by step, and automatic transmission vehicles can switch to low-speed mode.
3.Use of electronic handbrake: Continuously pull up the electronic handbrake button (not click it), and most vehicles will initiate emergency braking.
4. Preventive maintenance suggestions
| Maintenance items | cycle | cost reference |
|---|---|---|
| Brake fluid replacement | 2 years/40,000 kilometers | 200-400 yuan |
| Vacuum pump inspection | 1 year | Free testing |
| Brake pad replacement | 30,000-60,000 kilometers | 300-800 yuan |
5. Latest Industry Trends
The latest data from the General Administration of Quality Supervision, Inspection and Quarantine show that a total of 287 complaints related to braking systems were received in the third quarter of 2023, an increase of 15% compared with the same period last year. Many car companies have launched special recalls of braking systems, involving some 2019-2021 models.
6. Expert advice
Professor Wang from the Department of Automotive Engineering of Tsinghua University pointed out: "Modern vehicle braking systems are becoming increasingly complex. It is recommended that car owners conduct a brake pedal force test every quarter. If any abnormalities are found, they should be repaired in time. New energy vehicle owners need to pay special attention to the coordinated working status of the energy recovery system and mechanical braking."
Analysis of recent hot spots shows that brake system failures have attracted widespread attention. Regular maintenance, mastering emergency skills, and paying attention to recall information are the keys to ensuring driving safety. If you encounter abnormal braking, you should immediately contact a professional agency for repair and do not drive by chance.
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