Reported Jul 18, 19833,000 vehicles affectedBAKER MANUFACTURING, INC.Built Jun 1, 1982 – Jan 1, 1983
The defect
Valves may loosen or separate due to broken assembly bolts, which may have been bent during installation. If so, a tank on which the valve IS installed will lose air pressure.
The remedy
Valve manufacturer has arranged for replacement of all valves with a unit of modified design, including stainless steel in place of original plated steel bolts.
Vehicle category: buses and heavy trucks.system: service brakes; moisture drain valve.consequences of defect: full braking capability would be lost, which couldresult in an accident, especially if minimum stopping time IS required.note: loss of air pressure will be followed by illumination of a warning lightand automatic activation of the spring brakes.