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Vehicle recall 79V054000 · February 22, 1979

Ford B700, B800 and 2 more models

The air brake lines may be routed too close to the exhaust muffler.

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

Summary
The air brake lines may be routed too close to the exhaust muffler. Because the air brake lines are made of nylon material, heat from the exhaust muffler can weaken the brake line tubes, possibly causing them to rupture. Tube rupture could result in loss of air in the secondary air brake system.
Remedy
New nylon air brake tubes will be installed and rerouted without charge to owner.
Notes
Vehicle description: trucks and buses equipped with gasoline engines and airbrakes.system: service brakes; air brake tubes.consequences of defect: partial loss of vehicle service brakes can result andthe rear spring brakes could activate, possibly resulting in a vehicleaccident.note: rupture of the tubes for the secondary system can be detected by acontinuous buzzer and warning light, signaling low air pressure, and by thedual reading air gauge indicator. Vehicle operator is cautioned to avoidperiods of engine idling, particularly when the choke and throttle are set.this condition generates substantial heat, which can cause tube rupture.

Recall details

NHTSA campaign
79V054000
Reported to NHTSA
February 22, 1979
Filed by
FORD MOTOR COMPANY
Owner notification
May 11, 1979
Vehicles potentially affected
1,100
Initiated by
the manufacturer
Components
Service brakes, air › Supply › Hoses, lines/piping, and fittings
Recall 79V054000 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.

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