Vehicle profile: Porsche Macan 2018, has traveled 58,000 kilometers in the three years since the car was first purchased, and has not had any major traffic accidents.
Fault description: The car owner reported that the taillight cracked while the vehicle was driving and there was no collision. The instrument alarm prompted to check the left taillight.
There may be several reasons for cracking of car lights: 1. The lampshade is bumped; 2. The lampshade is aged; 3. The lampshade is corroded.
Cause of failure 1: The lampshade is bumped.
When the vehicle is reversing, if it collides with other objects, it will cause cracks or damage on the surface of the taillight cover.
Solution 1: The taillight lampshade cannot be replaced separately, the taillight assembly needs to be replaced. Headlight damage caused by human factors is not covered by the vehicle warranty and needs to be paid by the car owner; the replacement cost at a 4S store is about 8,000-10,000 yuan, and the replacement cost at a repair shop is about 6,000-8,000 yuan.
Cause of failure 2: Lampshade is aging.
If the vehicle is parked outdoors for a long time, exposure to wind and sun will cause the taillight cover to age and crack on the surface.
Solution 2: Replace the vehicle's taillight assembly. The taillight lampshade is aging and is not covered by the vehicle warranty. The car owner needs to pay for it at his own expense; the cost of replacing the taillight at a 4S shop is about 8,000-10,000 yuan, and the replacement cost at a repair shop is about 6,000-8,000 yuan.
Cause of failure 3: The lampshade is corroded.
When cleaning a vehicle, if you frequently use a highly corrosive cleaner to clean the car body, parts such as the car lights will be corroded by the cleaner, which will change the internal stress of the lampshade and cause the lampshade to crack. Of course, it is not ruled out that there are quality problems in the lamp itself. Under the influence of a series of factors such as high temperature exposure, thermal expansion and contraction, cracks will also occur on the surface of the lampshade.
Solution 3: Replace the taillight assembly. It is caused by human factors and is not covered by the vehicle warranty. The replacement cost at a 4S store is about 8,000-10,000 yuan, and the replacement cost at a repair shop is about 6,000-8,000 yuan. If the test confirms that there is a quality problem with the lamp cover, the car owner can go to the 4S store to apply for a claim and get a free replacement.
Summary: Through fault analysis, the cracking of the vehicle taillight in the above case is caused by the aging of the lampshade. For the treatment method, please refer to Solution 2. The malfunction in the case is an exception, and the car owner does not need to worry. In addition, we also recommend car owners: pay attention to the surrounding environment when parking, control the speed of the vehicle, and prevent accidents.
