No welding or soldering work is allowed on the parts of the air conditioner. The same applies to welding and soldering work on the vehicle, where there is a risk of heating parts of the air conditioning system.
Caution: The air conditioner refrigerant line must not be opened.
Galvanized steel is used for body parts that are particularly susceptible to corrosion. Do not grind zinc layer before welding (grind off only when soldering with refractory solder).
Attention: When welding galvanized steel sheets, poisonous zinc oxide is produced, so ensure that the workplace is well ventilated.
PVC bottom protection (PVC) at the place of repair, it is removed with a rotating wire brush or heated with an industrial hair dryer to a temperature of +180°C and then removed with a scraper. When PVC is burned or heated above a temperature of 180°C, caustic hydrochloric acid is formed and, in addition, harmful vapors are formed.
When carrying out painting work, it is not allowed to dry the car or heat it to temperatures exceeding 80°C. Otherwise, there is a risk of damage to the electronic control units in the vehicle.