Vehicle recall 79V094000 · April 13, 1979
1979 GMC N9F064
The involved vehicles fail to meet federal motor vehicle safety standard no. 121, "air brake systems", in regard to incorrect plumbing in the low air pressure warning system.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The involved vehicles fail to meet federal motor vehicle safety standard no. 121, "air brake systems", in regard to incorrect plumbing in the low air pressure warning system. As a result, a low air pressure condition in the rear brake air supply will not actuate the warning system. The audible alarm would not function and the driver would not be warned of a brake malfunction.
- Remedy
- The low air pressure warning system will be inspected and corrected, if necessary, without charge.
- Notes
- Vehicle description: trucks.system: service brakes; low air pressure warning devices.consequences of defect: without the warning signal, reduced braking capabilitycould result in a vehicle accident and serious personal injuries.
Recall details
- NHTSA campaign
- 79V094000
- Reported to NHTSA
- April 13, 1979
- Filed by
- GENERAL MOTORS CORP.
- Owner notification
- May 16, 1979
- Vehicles potentially affected
- 22
- Initiated by
- the manufacturer
- Components
- Service brakes, air › Supply › Low pressure warning › Switch
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- GMC N9F064 (1979): 1979
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