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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 >> Evidence Of Leaks

Evidence Of Leaks

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External damage, for example, can cause a leak in the refrigerant circuit. The small quantity of refrigerant escaping from minor leaks can be detected, for example, by using an electronic leak detector or by introducing a UV-leak detection additive into the refrigerant circuit. Electronic leak detectors can recognize leaks with refrigerant losses of less than 5 grams per year.

NOTE:

Use leak detectors designed for the type of refrigerant. For example, a leak detector for refrigerant R12 will not work with R134a because R134a refrigerant has no chlorine atoms so the leak detector will not respond to it.

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