How to replace car low beam headlights
Low beam headlights are essential lighting equipment for cars driving at night. If they malfunction, they need to be replaced in time. The following is a detailed guide on replacing low-beam headlights that has been a popular car topic on the Internet in the past 10 days, combined with structured data to help car owners operate quickly.
1. Preparations before replacement
To replace the low beam headlights, you need to prepare the following tools and materials, and make sure the vehicle is turned off:
| Tools/Materials | Quantity | Remarks |
|---|---|---|
| New low beam bulb | 1-2 pieces | Need to match car models (such as H7, H4, etc.) |
| gloves | 1 pair | Anti-fingerprint contamination light bulb |
| screwdriver set | 1 set | Lampshade may need to be removed |
2. Detailed explanation of replacement steps
The operation of different models is slightly different, but the general process is as follows:
| steps | Operating Instructions | Things to note |
|---|---|---|
| 1. Open the engine compartment | Find the position behind the low beam headlights | Avoid touching other lines |
| 2. Remove the power plug | Press the buckle and pull out the plug | Do not pull the wire directly |
| 3. Remove the old light bulb | Turn the lamp holder counterclockwise and take it out | Wear gloves to prevent burns |
| 4. Install new light bulbs | Align the card slot and fix it clockwise | Do not touch the glass directly |
| 5. Test the lights | Check the lighting effect after powering on | Verify there is no flicker or polarization |
3. Solutions to common problems
Based on recent feedback from car owners, a summary of high-frequency issues is as follows:
| Problem phenomenon | Possible reasons | Solution |
|---|---|---|
| Insufficient light brightness | Lamp power mismatch/aging | Replace original specification bulbs |
| Light angle offset | Not installed properly | Readjust the card position |
| Frequently burn out light bulbs | Unstable voltage or poor sealing | Check circuit and lampshade sealing |
4. Reference for popular car light models in 2023
Based on the sales data of the e-commerce platform, we recommend the following cost-effective low-beam bulbs:
| Brand | Model | Applicable models | price range |
|---|---|---|---|
| Osram | Nightcrawler H7 | Volkswagen/Toyota, etc. | 80-120 yuan/piece |
| Philips | Bright light H4 | Honda/Nissan, etc. | 60-100 yuan/piece |
| Shellette | LED9005 | American/domestic models | 150-200 yuan/pair |
5. Safety tips
1. Be sure to disconnect the power supply when replacing to prevent short circuit
2. The working temperature of halogen bulbs can reach 200℃. Please cool down before operating.
3. If there are complex modifications to the circuit, it is recommended to leave it to a professional technician.
4. After replacement, the light height needs to be calibrated to avoid affecting oncoming vehicles.
Through the above structured guidance, car owners can safely complete the replacement of low beam headlights. If you encounter a special car model design during operation (if you need to disassemble the front bumper), it is recommended to consult the specific car model maintenance manual or consult a 4S store.
check the details
check the details
en
