What are the reasons for refrigerant leakage in car air conditioning?
2 Answers
The most common reasons for refrigerant leakage in car air conditioning are damaged sealing rings or excessively cold air. Here are the relevant explanations: 1. Refrigerant leakage issue: This is generally caused by leaks due to damaged pipe joint seals, and the problem can usually be resolved by replacing the sealing rings. However, in actual maintenance work, it can be difficult to immediately locate the source of minor leaks. Sometimes, parts need to be replaced to identify the issue, but the fault typically doesn't occur in multiple components simultaneously, so parts can be replaced one by one to locate the problem. 2. Excessively cold air: Moisture in the air can condense at the vents. Continuously using the external air circulation function causes high-humidity outside air to constantly enter the vehicle, and the humidity inside the car cannot be discharged, leading to this issue.
I've been repairing cars for over ten years and have seen countless cases of refrigerant leaks in air conditioning systems. The most common cause is loose pipe connections that gradually loosen and leak over time. Then there are those rubber seals - once they age and harden, they simply can't contain the refrigerant anymore. Condensers can also develop leaks if they get corroded or damaged in an impact. And when the compressor's seals fail, that's a major issue. Honestly, most of these problems stem from normal wear and tear or improper maintenance. I recommend car owners get their AC systems checked annually, especially during seasonal changes - use soapy water to check pipe connections for bubbles. Early detection can save significant repair costs. It's also crucial to test your AC before summer heat hits to avoid safety issues from sudden breakdowns on the road.
