A faulty air compressor unloader valve can cause the compressor to stall out, but replacement valves are readily available ...

Using shop air, pressurize the unloader line to 120 psi and check for leaks in the line. ... Air dryer purge valve and compressor cycling rapidly; ... 7 newton-meters for Bendix compressors.

The Bendix EAC system is a compact, electronically-controlled air treatment system that integrates the air dryer, unloader valve, multi-circuit protection valve and potentially even the park brake ...