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Why does the car air conditioning pipe freeze but the air blown out is not cool?

1 Answers

VonIris

07/30/25 12:51am

The reasons why the car air conditioning pipe freezes but the air blown out is not cool are as follows: 1. Insufficient or too little refrigerant: A common reason why car air conditioning does not cool is insufficient or too little refrigerant, which is likely caused by a slight leak of refrigerant. 2. Too much refrigerant. 3. The car air conditioning compressor drive belt is loose: A loose drive belt will slip during compressor operation, leading to a decrease in transmission efficiency, a drop in compressor speed, and a reduction in the delivery of compressed refrigerant, resulting in the car air conditioning not cooling. 4. Unqualified refrigerant and refrigeration oil. 5. Moisture has entered the refrigeration system.

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