Why is contaminated air a greater concern in a system without a properly functioning air dryer?

Pick an answer

1. Contaminated air is never a concern as long as the tanks get drained occasionally during routine maintenance
2. A malfunctioning dryer only affects the trailer, never the tractor
3. Air dryers only affect fuel economy, not contamination
4. Without effective drying, more moisture and oil reach the valves and brake components where they can cause problems

Correct!

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