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Home >> Volkswagen >> 2018 >> Beetle S, 2D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (General, Technical Data (Refrigerant R134A General Information) (Convertible)) >> 00 General, Technical Data >> A/C System, General Information >> Refrigerant R134A Characteristics >> Affect On Metal

Affect On Metal

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In its pure state, refrigerant R134a is chemically stable and does not corrode iron or aluminum.

Contaminants, such as chlorine compounds, in the refrigerant however cause corrosion of certain metals and plastics. This can lead to blockage, leaks or deposits on the A/C compressor piston.