Where are the automotive chassis sealing plugs located?

2 Answers
LeIris
09/03/25 3:28am
During the automobile manufacturing process, many holes are left, such as liquid drainage holes, weight reduction holes, and positioning holes, etc. Here are the specific details: 1. Drain accumulated water: There are four sealing plugs at the bottom of the vehicle chassis. Opening these plugs allows the accumulated water inside the cabin to be drained. The interior decorative materials, especially the floor mats, have strong water absorption properties. The floor mats should be removed and placed in a spacious area to facilitate water evaporation. 2. Dehumidification: If there is still moisture inside the vehicle, it is important to turn on the air conditioning and adjust the vehicle's circulation switch to the internal circulation mode. This allows the water vapor inside the cabin to be expelled through the air conditioning system. During summer, this is a very quick dehumidification method. Additionally, you can purchase a simple dehumidification box to place inside the vehicle, or even a roll of toilet paper can help absorb moisture. 3. Precautions: It is important to note that the carpet should not be completely soaked in water for scrubbing. On one hand, this can damage the adhesion between the different material layers inside the carpet. On the other hand, it can cause the carpet to take a long time to dry completely, affecting its usability and leading to increased humidity inside the vehicle.
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StCamille
09/15/25 5:08am
I remember that the sealant on the car chassis is usually applied to some key exposed areas, such as the welding seams of the frame, the inner side of the wheel arches, below the door sills, and around the fuel tank and suspension components. This is mainly because after prolonged use, the chassis is prone to water ingress, salt accumulation, or other contaminants, which can lead to rust and corrosion over time. The sealant plays a waterproofing role. Every time I service my car, I remind the mechanic to check if these sealants have dried out or peeled off. If not repaired in time, corrosion can spread quickly, affecting the structural strength of the chassis and potentially making the car unstable to drive. Additionally, during the assembly of new cars at the factory, workers carefully apply sealant to these areas to ensure full coverage and prevent water leakage from gaps in the manufacturing process. Personally, I think understanding this detail can make driving more reassuring, as repairing or replacing chassis components can be quite costly.
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