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What Causes a Car Compressor to Seize Up?

1 Answers

ElizabethRose

07/30/25 8:17am

Below is an analysis of the reasons why a car compressor may seize up: 1. Heat dissipation and refrigerant issues: Poor heat dissipation or excessive refrigerant charging can lead to excessively high pressure, causing the compressor to overload. This results in damage or burning of pressure components and connecting rods, ultimately leading to seizure. 2. Compressor aging: Prolonged vehicle use can cause the compressor to age, producing organic carbon deposits that block pipelines. Alternatively, a failed dryer bottle may be unable to filter moisture, leading to ice blockage. 3. Pipeline problems: Improperly installed or unfixed pipelines that swing for extended periods can loosen and cause gas leaks. Note: If replacing with a new compressor, clean the air conditioning pipelines, radiator, and evaporator. Separate and clean all system pipelines, fill them with cleaning agent, and soak the condenser and evaporator for about 20 minutes. Then, use high-pressure nitrogen to flush out the cleaning agent and contaminants.

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