Your air-brake system never likes too much moisture, but especially not in winter. From the December 2002 issue.

Bendix, which has produced more than 10 million air dryers, says it's not enough to remove the moisture from the air. It says you also need to make sure the oil is being kept out of the air system.

Bendix said it developed its new AD-HFI air dryer with electronic pressure control capabilities to provide more dry air for the systems today’s trucks depend on, increase energy efficiency, and ...