General Safety Regulations: Notes

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

The refrigerant R 134a which is used is known as a safety refrigerant. This means that this refrigerant is non-flammable, non-explosive, non-toxic, non-irritating, odourless and tasteless. Nevertheless, attention should be paid to the following:

CAUTION: Danger of fire due to the air-conditioning system heating up from sunlight shining into the vehicle or during welding and soldering work!

→ When carrying out repairs on the air-conditioning system, the system must be emptied by suction and the refrigerant must be purified. Chlorine-free refrigerants must also not be allowed to escape into the atmosphere and must be disposed of correctly!

→ Due to their chemical composition, different refrigerants must not be mixed with each other! This also applies for smaller quantities!

→ No welding, soldering or hot-air heating may take place on parts of the filled air-conditioning system or in its immediate vicinity!

→ Make sure that parts of the air-conditioning system do not heat up during welding or brazing work on the vehicle!

→ While drying after painting work, the temperature burden on the vehicle must not exceed two hours at a maximum temperature of 80°C!

→ Whether or not the system is filled with refrigerant, the heating causes a very strong overpressure which can cause damage to the system or even lead to an explosion!

→ R 134a is completely non-toxic at normal temperatures, but it decomposes upon contact with a flame or at high temperatures!

→ Refrigerant bottles must not be thrown and must not be subjected to direct sunlight or other heat sources for an extended period when full!

→ The maximum permissible temperature of a filled refrigerant bottle must not exceed 45 °C!