VW Golf manuals

Volkswagen Golf Service & Repair Manual: Physical basics

The four known physical states of water also apply to air conditioning refrigerants.
1 -  Gas (invisible)
2 -  Vapour
3 -  Liquid
4 -  Solid
 

Physical basics

When water is heated in a container (heat absorption), the rising water vapour is visible. If the vapour is heated by further heat absorption, the visible vapour becomes invisible gas. This process is reversible. If heat is extracted from gaseous water, it changes first to vapour, then to water and finally to ice.
A -  Heat absorption
B -  Heat dissipation
 

Physical basics

Basics of air conditioning
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Heat always flows from warmer to colder material
Every material consists of a mass of moving molecules. The fast moving molecules of a warmer material loose part of their energy to slower molecules possessing less heat. This slows down the molec ...

Other materials:

Undercoating, additional protected areas on hybrid vehicles
Undercoating, rear body of hybrid vehicles a -  Undercoating Coat thickness: 0.3 mm b -  Undercoating Coat thickness: 0.5 mm ...

Sealing and inflating tyres
First read and observe the introductory information and safety warningsSealing a tyre Unscrew the cap from the tyre valve. Use the valve core extractor to screw the valve core out of the tyre valve. Place the core on a clean surface. Shake the tyre filler bottle vigorously up a ...

Battery
Battery - general notes   Note All instructions and notes regarding this chapter are available under → Electrical System, General Information; Rep. gr.27.     ...

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