How to change the filter yourself: Detailed steps and precautions
Replacing the oil filter (machine filter) is one of the most basic skills in car maintenance. Mastering this skill can not only save money, but also gain a deeper understanding of the condition of your car. This article will combine the popular car maintenance topics on the Internet in the past 10 days to provide you with a detailed DIY filter replacement guide.
1. Recently popular car maintenance topics
| topic | heat index | Main discussion points |
|---|---|---|
| DIY car care | ★★★★★ | Money Saving Tips, Tool Choices |
| Oil selection | ★★★★☆ | Fully synthetic vs semi-synthetic, viscosity standard |
| Machine filter brand comparison | ★★★☆☆ | Filtration efficiency, service life |
| Environmentally friendly treatment of waste engine oil | ★★★☆☆ | Recycling channels and processing methods |
2. Preparation work
Before starting to replace the machine filter, you need to prepare the following tools and materials:
| Tools/Materials | Quantity | Remarks |
|---|---|---|
| New machine filter | 1 | Make sure the models match |
| engine oil | 4-5L | Choose according to vehicle requirements |
| Machine filter wrench | 1 handful | chain or cup |
| Oil basin | 1 | The capacity needs to be greater than the amount of engine oil |
| gloves | 1 pair | Anti-oil stain |
| rag | several | for cleaning |
3. Replacement steps
1.hot car: Start the engine and run it for 3-5 minutes to make the oil thinner and easier to drain.
2.drain oil:
- Park the vehicle on flat ground and apply the handbrake
- Find the oil drain bolt in the oil pan and place the oil basin
- Slowly unscrew the oil drain bolt, be careful of hot oil burns
3.Remove old machine filter:
- After the engine oil is basically drained, use the machine filter wrench to turn counterclockwise
- Pay attention to catch the residual oil flowing out to avoid polluting the environment
4.Install new filter:
- Apply a thin layer of new engine oil on the new filter rubber seal
- Manually screw in the new filter, wait until the sealing ring contacts the base and then screw in 3/4 turn
- Never over tighten
5.Fill with new engine oil:
- Reinstall the oil drain bolt and tighten it
- Fill in new engine oil through the oil filler port
- Check the oil dipstick after filling 3/4 of the amount, and add to the standard scale in batches.
4. Precautions
| Things to note | Reason |
|---|---|
| Avoid operating on slopes | Make sure the oil is completely drained |
| The sealing ring must be oiled | Prevent damage during installation |
| Remove the old machine filter with the filter facing upwards | Reduce engine oil spills |
| Proper disposal of waste oil | Environmental requirements |
5. Frequently Asked Questions
Q: How often does it take to replace the machine filter?
A: It is generally recommended to replace it every 5,000-10,000 kilometers or every time the oil is changed. Please refer to the vehicle manual for details.
Q: Why does a new engine filter need to be filled with engine oil first?
A: For some vertically installed machine filters, pre-filling can avoid short-term oil shortage when the engine is started.
Q: What will happen if the machine filter is too tight?
A: It may cause the sealing ring to be deformed or the housing to be damaged, causing oil leakage or making it difficult to disassemble next time.
6. Environmental protection tips
Based on the recently hotly debated environmental topics, here is a special reminder:
- 1 liter of waste oil can pollute 1 million liters of fresh water
- Please send used engine oil and old engine filters to professional recycling points
- Many auto repair shops and 4S shops provide free recycling services
By mastering this basic maintenance skill, you can not only save 200-400 yuan in labor time each time, but also ensure the use of genuine parts and high-quality engine oil. It is recommended that you have experienced people to guide you during the first operation. After accumulating a few experiences, you will be able to complete it skillfully.
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