Volkswagen Golf Service & Repair Manual: 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 molecules of the warmer material and accelerates those with less heat. This continues until the molecules in both materials are moving at the same speed. They have the same temperature, and no further exchange of heat occurs.
Physical basics
The four known physical states of water also apply to air
conditioning refrigerants.
1 -
Gas (invisible)
2&nbs ...
Pressure and boiling point
The boiling points given in the table below are always based
on an atmospheric pressure of 1 bar. If the pressure on a liquid
is changed, its boiling point changes al ...
Other materials:
Aqua Premium system, blending system for 2-stage colours
Issued 04.2013
Product description/objectives
To attain visually perfect colour transition in blending
area or to adjacent parts such as wings or doors.
Technical data sheet
Substr ...
Checking exhaust system for leaks
Procedure
–
Start engine and run at idling speed.
–
Seal end exhaust pipes with cloths or plugs, for example,
for the duration of the leakage test.
–
Check (by l ...
Connectors
Repairs to wiring harnesses and
connectors
Note
All instructions and notes regarding this chapter are
available under
→ Electrical System, General Information; Rep. gr.97.
...
