How to replace antifreeze
Replacing antifreeze is an important part of car maintenance, especially when the seasons change. Antifreeze not only prevents the engine from freezing in low temperatures, but also prevents overheating in high temperatures. Below are detailed replacement steps and precautions to help you complete this task easily.
1. Preparation work
Before replacing antifreeze, you need to prepare the following tools and materials:
| Tools/Materials | Purpose |
|---|---|
| new antifreeze | Replace old antifreeze and make sure it matches the model |
| distilled water | For flushing cooling systems |
| funnel | Easy to pour antifreeze |
| Gloves and goggles | Protect skin and eyes |
| wrench | Remove the drain screw |
| container | Collect old antifreeze |
2. Replacement steps
1.cool engine: Make sure the engine is completely cool to avoid burns.
2.Drain old antifreeze: Find the drain screw at the bottom of the water tank, unscrew it with a wrench, and drain the old antifreeze into the container.
3.Flush cooling system: Pour in distilled water, start the engine and run for a few minutes, then drain again, repeat this step until the water is clear.
4.Add new antifreeze: Use a funnel to pour new antifreeze into the water tank until the level reaches the marked line.
5.Exhaust: Start the engine, turn on the heater, circulate the cooling system, and exhaust air.
6.Check fluid level: Turn off the engine, check the fluid level again after cooling, and refill if necessary.
3. Precautions
| Things to note | Description |
|---|---|
| Antifreeze type | Be sure to use the antifreeze recommended in your vehicle manual |
| Environmentally friendly treatment | Old antifreeze is toxic and needs to be recycled properly |
| Regular replacement | It is recommended to replace it every 2 years or 40,000 kilometers. |
| avoid mixing | Different brands of antifreeze may react chemically |
4. Frequently Asked Questions
Q: Can water be added to antifreeze?
A: You can add a small amount of distilled water in an emergency, but long-term use will reduce the antifreeze effect.
Q: Is there any difference between different colors of antifreeze?
A: The colors represent different formulas and must be selected according to the vehicle manual.
Q: What should I do if the water temperature rises after replacement?
A: It may be that the air is not exhausted and needs to be exhausted again.
5. Summary
Replacing antifreeze isn't complicated, but it does require careful attention. By following the steps above, you can easily complete this maintenance task and ensure your engine operates properly in extreme temperatures. Regularly changing antifreeze can not only extend the life of the engine, but also improve driving safety.
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