Changing engine oil
IntroductionVolkswagen Touran Owners Manual. Natural gas
First read and observe the introductory information
and safety warnings Natural gas quality and consumption
Natural gas is available in two grades: H-gas and L-gas.
H-gas has a higher calorific value and a lower nitrogen and carbon dioxide content.
The higher the calorific value of the natur ...
Volkswagen Touran Service Manual. Pressure and Boiling Point
The boiling point given in tables for a liquid is always
referenced to an atmospheric pressure of 1 bar (14.5 psi). If
the pressure acting on a fluid changes, its boiling point also
changes.
For example, water boils at a lower temperatur ...