NHTSA recall 90V079000
Service brakes, air › Antilock › Abs warning light
Marmon 57L and 2 more
Reported Apr 24, 1990315 vehicles affectedMARMON MOTOR COMPANYBuilt Jul 1, 1988 – Jul 1, 1989
The defect
Low air warning pressure switch may not activate the warning signal until pressure has dropped to 55 psi, rather than at the required 60 psi.
The risk
Driver would not receive proper warning of low air pressure in air brake system and this condition could result in a vehicle crash; also, vehicle would not comply with fmvss 121.
The remedy
Replace inappropriate air warning pressure switches.