How to replace brake pads: detailed steps and precautions
Brake pads are a key component in the vehicle braking system, and regular replacement can ensure driving safety. This article will introduce in detail the steps, tool preparation and precautions for replacing brake pads, and attach data on recent hot topics for reference.
1. Recent hot topics (last 10 days)
| Ranking | hot topics | heat index | Main platform |
|---|---|---|---|
| 1 | New energy vehicle battery life breakthrough | 95.2 | Weibo, Douyin |
| 2 | New progress in autonomous driving technology | 88.7 | Zhihu, Bilibili |
| 3 | Car maintenance DIY craze | 76.5 | Xiaohongshu, Kuaishou |
| 4 | Brake system safety warning | 72.1 | WeChat, Toutiao |
2. Preparation of tools for replacing brake pads
| Tool name | Quantity | Instructions for use |
|---|---|---|
| Jack | 1 | Lift the vehicle |
| wrench set | 1 set | Remove bolts |
| C-clip | 1 | Compression brake cylinder |
| new brake pads | 1 pair/axis | Replace old film |
| Grease | 1 stick | Reduce abnormal noise |
3. Detailed explanation of replacement steps
Step 1: Safety preparation
Park the vehicle on level ground, apply the handbrake, use a jack to lift the wheels and place safety stands.
Step 2: Remove the tire
Use a wrench to loosen the tire bolts counterclockwise and completely remove the tire to expose the brake caliper.
Step 3: Remove the old brake pads
Remove the caliper fixing bolts and take out the worn brake pads, being careful not to pull on the brake oil pipe.
Step 4: Install new brake pads
Install the new brake pad into the caliper groove and use the C-clamp to press the wheel cylinder piston back into place.
Step 5: Reset and Test
Reinstall the caliper and tighten the bolts, and reinstall the tire. Start the vehicle and apply the brakes several times until pedal pressure is restored.
4. Precautions
| Project | Description |
|---|---|
| Running-in period | New brake pads require a 200km running-in period to avoid sudden braking |
| Thickness check | The remaining thickness is less than 3mm and must be replaced |
| Abnormal noise treatment | Applying silencer paste can reduce the sound of metal friction |
| Environmentally friendly treatment | Old brake pads are hazardous waste and need to be professionally recycled |
5. Frequently Asked Questions
Q: How long does it take to replace brake pads?
A: It is usually replaced after 30,000 to 50,000 kilometers or when a sharp metal sound occurs. Please refer to the vehicle manual for details.
Q: Can the front and rear brake pads be replaced at the same time?
A: It is recommended to replace the split axle, as the front wheel wears faster (responsible for 70% of the braking force).
Q: Will replacing it by myself affect the warranty?
A: Some brands require 4S store maintenance. It is recommended to consult the dealer first.
Through the above steps, car owners can complete basic brake pad replacement. If you have any doubts about the operation, it is recommended to go to a professional maintenance center. Regular inspection of the braking system is an important measure to ensure driving safety.
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