How can the performance of air brakes be affected by cold weather?

In cold weather, the performance of air brakes can indeed be significantly impacted because temperatures can cause moisture in the air brake system to freeze. If the air lines freeze, they may become blocked or restricted, leading to a malfunction of the brakes. This can prevent the brakes from engaging properly when the driver attempts to use them, or they may not release after being applied, posing a severe safety risk.

It's important to regularly check and maintain the air brake system, especially in colder conditions, to ensure that the components are functioning correctly and that moisture is managed to prevent freezing. Proper understanding of how environmental conditions affect air brake systems is crucial for maintaining safe driving practices and preventing accidents.