Read and follow the introductory information and safety information first⇒Introduction to the subject
The vehicle underbody is coated to help protect it from corrosion and damage. The undercoating could be damaged during normal use. We therefore recommend that you have the protective coatings on the underbody and suspension inspected regularly, and repaired if necessary.
Warning
Undercoating and rustproofing products can catch fire on the hot exhaust system or any other hot engine component.Volkswagen Tiguan Service and Repair Manual > A/C System, General Information: A/C Technology Basic Principles
Physical Principles
The four known states of water also apply to air conditioning system
refrigerants.
gaseous (invisible)
vapor
fluid
solid
When water is heated in a vessel (heat absorption), water vapor can be seen
to rise. If the vapor is further heated through heat absorption, the visib ...