This topic contains 0 replies, has 1 voice, and was last updated by Cecil Bearden 5 months, 4 weeks ago.
Have a 4-53 in a 250 CFM vane type air compressor. After pump oressures up and engine is idling down a loud clicking noise begins, sometimwes continuing while idling and then is intermittent. Do not hear it when loaded. Has anyone had this problem with an old 4-53 naturally aspirated engine.