How to break in your car after an overhaul: Comprehensive guide and precautions
After the vehicle is overhauled, the engine and key components are replaced or repaired and need to be re-run-in to ensure stable performance and extended life. The following is a detailed guide on how to correctly run in your car after an overhaul, compiled based on the hot topics and hot content on the Internet in the past 10 days.
1. Why is running-in necessary?
Vehicles after overhaul, especially core components such as engines and gearboxes, need to be run-in to bring each component into optimal working condition due to the small fitting clearance of new parts. Improper running-in may lead to early wear, increased fuel consumption and even failure.
| Breaking-in stage | Recommended mileage | Key considerations |
|---|---|---|
| Initial running-in | 0-500 kilometers | Avoid sudden acceleration/braking, and control the speed within 3,000 rpm. |
| Mid-term running-in | 500-1000 kilometers | You can gradually increase the speed, but you still need to avoid driving at high speed for a long time |
| Late run-in | 1000-2000 kilometers | It can be driven normally, but it is recommended to change the engine oil for the first time. |
2. Specific operational suggestions during the running-in period
1.Control vehicle speed and rotation speed: Avoid exceeding 3,000 rpm in the first 500 kilometers, and it is recommended to keep the vehicle speed below 80km/h.
2.Avoid driving with a full load: During the running-in period, the vehicle load should not exceed 70% of the rated load.
3.Oil selection: Use engine oil with the manufacturer’s designated label to avoid inferior oil.
| parts | Key points of running-in |
|---|---|
| engine | Avoid idling for long periods of time and check engine oil status regularly |
| gearbox | Manual transmission requires smooth shifting, and automatic transmission avoids sudden acceleration. |
| Braking system | Avoid emergency braking in the first 200 kilometers |
3. Common misunderstandings during the running-in period
1.overprotective: Some car owners think that "the slower, the better", but in fact, too low a speed is detrimental to running-in.
2.Ignore check: During the running-in period, the status of the oil, tires, etc. should be checked regularly.
3.Changing engine oil too early: It is recommended to change the engine oil for the first time at 1000-1500 kilometers. Changing it too early is a waste of resources.
4. Maintenance suggestions after running-in
1. After completing the running-in, perform the first maintenance in time and replace the engine oil and filter.
2. Check the tightening condition of each component, especially newly replaced parts.
3. It is recommended to conduct computer testing to confirm that each system is working properly.
5. Answers to hotly discussed questions among netizens
Q: Is the running-in different for turbocharged cars?
A: Turbine vehicles need to pay special attention to cooling. After driving at high speed, they should idle for 1-2 minutes before turning off the engine.
Q: Does an electric vehicle need to be run-in after overhaul?
A: Electric vehicles mainly require running-in of the braking system and bearings, and the motor system generally does not require special running-in.
6. Professional advice
According to recent statistics from automobile forums, about 73% of car owners believe that the running-in period has a significant impact on the later performance of the vehicle. It is recommended that car owners:
1. Read the break-in instructions in your vehicle manual carefully.
2. Record vehicle status changes during the running-in period
3. If any abnormality is found, contact the maintenance point promptly.
Proper post-overhaul break-in can not only extend vehicle life, but also improve fuel economy and driving comfort. Follow the guidelines above and your car will be back in tip-top shape in no time.
check the details
check the details
en
