Vehicle recall 79V188000 · August 15, 1979
1975-1977 TMC MC8
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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".
- Remedy
- Dealer will adjust the pin switch to the proper pressure to bring the vehicle into compliance with safety standard no. 121.
- 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.
Recall details
- NHTSA campaign
- 79V188000
- Reported to NHTSA
- August 15, 1979
- Filed by
- TRANSPORTATION MFG. CORP.
- Owner notification
- October 18, 1979
- Vehicles potentially affected
- 748
- Initiated by
- NHTSA’s Office of Vehicle Safety Compliance
- Components
- Service brakes, air
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
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