NHTSA recall 04V041000
Service brakes, air › Supply › Check valve
East Manufacturing Drop Deck and 5 more
Reported Feb 5, 2004913 vehicles affectedEAST MANUFACTURING CORP.Built Jun 13, 2003 – Jan 20, 2004
The defect
On certain trailers equipped with the sealco 508 rubber band check valve that IS used on the 110502 brass control port cap assembly which IS installed in the control port of sealco's 11050, 110700 and 110800 spring brake control valves may develop a hole.
The risk
This can allow allowing supply air to escape back out the control line exhausting at either the foot valve in the tractor or any tractor in-line quick release valve.
The remedy
Sealco will provide a service bulletin and the 110502 replacement cap assemblies to customers free of charge. owners should contact sealco at 1-602-253-1007 or east manufacturing at 1-330-325-9921.