Tmc Recall 79V188000: Service Brakes, Air

NHTSA recall 79V188000 · announced August 15, 1979 · filed by Transportation Mfg. Corp. · 748 units affected

The problem

THE INVOLVED VEHICLES HAVE THE FOLLOWING NON-COMPLIANCES: THE LOW AIR WARNING SIGNAL MAY NOT ACTIVATE UNTIL THE SERVICE RESERVOIR PRESSURE IS BELOW 60 PSI. IN ADDITION, THE BRAKE RELEASE TIME MAY EXCEED 0.55 SECONDS AT THE RIGHT FRONT WHEEL, WHICH CONSTITUTES A NON-COMPLIANCE TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS".

What to do

DEALER WILL ADJUST THE PIN SWITCH TO THE PROPER PRESSURE TO BRING THE VEHICLE INTO COMPLIANCE WITH SAFETY STANDARD NO. 121.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: BUSES, INTERCITY.SYSTEM: SERVICE BRAKES; BRAKE SYSTEM.CONSEQUENCES OF DEFECT: AIR PRESSURE MAY FALL TOO LOW AND VEHICLE OPERATORWOULD NOT BE WARNED. RESULTING PARTIAL LOSS OF BRAKING ACTION COULD CAUSE LOSSOF VEHICLE CONTROL AND AN ACCIDENT. SLOW BRAKE RELEASE TIME WOULD ALSO AFFECTBRAKING PERFORMANCE AND COULD LEAD TO AN ACCIDENT.

Vehicles covered by this recall

• 1975 Tmc Mc8
• 1976 Tmc Mc8
• 1977 Tmc Mc8

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.