Not only do tightness tests protect the environment – they are also required by law!
Legal paragraphs are not just for lawyers. There is one paragraph in particular – paragraph 3 section 3 of the Chemicals Climate Protection Ordinance – that workshop owners and employees should know.
Namely: "Anyone who offers maintenance or repair services on air conditioning systems in vehicles within the meaning of article 3 nos. 1 and 3 of Directive 2006/40/EC of the European Parliament and of the Council of 17 May 2006 regarding emissions from air conditioning systems in motor vehicles may only fill such air conditioning systems from which an above average level of refrigerant has escaped with fluorinated greenhouse gases if the leak was previously remedied."
In other words: It has been forbidden for 18 years now to fill an empty air conditioning system with refrigerant for the purpose of locating the suspected leak. Anyone who works according the motto of "let’s fill it up first" may be subject to a fine of up to 50,000 euro. It plays absolutely no role here whether the air conditioning system was depleted through porous rubber hoses and seals or through locations at which the system became leaky due to wear, damages or material defects.