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Home >> Audi >> 2023 >> A5 Quattro Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Air Conditioning (Refrigerant R134A Servicing (Safety Precautions)) (Coupe)) >> 87 Air Conditioning >> A/C System, General Information >> Refrigerant R134A Properties >> Affect On Metal

Affect On Metal

WARNING: This page is about a different variant/trim than selected.

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.

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