TMC MC8 1977: SERVICE BRAKES, AIR
NHTSA Campaign ID Number: 79V188000
| Make | Model | Year |
|---|---|---|
| TMC | MC8 | 1977 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1979-10-18 | 1979-08-15 | 1979-10-12 |
Production Dates: 1975-01-01 - 1977-01-01
Manufacturers Involved: Motor Coach Industries
Component: SERVICE BRAKES, AIR
Potential Number Of Units Affected: 748
Report Initiator: OVSC OVSC Report
Regulation Part Number: 571
Federal Motor Vehicle Safety Standard Number: 121
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".
DEALER WILL ADJUST THE PIN SWITCH TO THE PROPER PRESSURE TO BRING THE VEHICLE INTO COMPLIANCE WITH SAFETY STANDARD NO. 121.
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.
