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

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:

Damage caused by foreign bodies
Driving over hard, pointed objects like nails, screws and the like can pierce the tyre. This always leads to tyre damage.     Damage due to embedded foreign body Often ...

Installing roof reinforcement to body, estate without sliding sunroof
Special tools and workshop equipment required         Electric cutter -V.A.G 1561A     Scraping blade -V.A.G 1561/20     ...

This chapter contains information on the following subjects:  → Warning and indicator lamps    → Electronic parking brake    → Parking    → Information on the brakes    → Brake support systems    → Switching TCS or TCS with ESC on and off ...

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