Skip to content
AnyRecalls

Vehicle recall 79V077000 · March 29, 1979

Ford B Series, C Series and 4 more models

Certain air brake anti-lock modulators could malfunction during operation of the anti-lock system.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Certain air brake anti-lock modulators could malfunction during operation of the anti-lock system. A nylon piston within the modulator air valve system can swell from exposure to system contaminants. Continued exposure may cause the piston to swell to the extent that interference with the cylinder wall will result, causing momentary sticking or a permanent jam. This can result in temporary or permanent loss of braking for the affected axle.
Remedy
The pistons in the valve portion of the modulators will be replaced with pistons that do not swell when exposed to air brake system contaminants.
Notes
Vehicle description: heavy trucks equipped with anti-lock air brakecontrollers.system: service brakes; control assembly.

Recall details

NHTSA campaign
79V077000
Reported to NHTSA
March 29, 1979
Filed by
FORD MOTOR COMPANY
Owner notification
November 9, 1979
Vehicles potentially affected
65,000
Initiated by
the manufacturer
Components
Service brakes, air › Antilock › Control unit/module
Recall 79V077000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Ford been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. Recall repairs are free.