Figure 2-22. Effect of altitude on boiling points of water and antifreeze compound solutions.

Figure 2-22. Effect of altitude on boiling points of water

and antifreeze compound solutions.

coolant will rise about 30F In the military vehicle cooling

Effect of Pressure in the Cooling System (fig 2-

23). If the pressure in the coolant is raised above

system, pressure is applied to the coolant through use of a

atmospheric pressure, the coolant will not boll until a

radiator pressure cap (para 1-10 and 2-9).

higher temperature is reached. For each pound of

additional pressure in the system, boiling point of the

2-21