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Vehicle recall 85V168000 · December 20, 1985

Ford B Series, C600 and 8 more models

The hydraulic parking brake control valve may inadvertently activate due to momentary pressure disruptions within the system and cause the parking brake to be applied, stopping…

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

Summary
The hydraulic parking brake control valve may inadvertently activate due to momentary pressure disruptions within the system and cause the parking brake to be applied, stopping or slowing the truck unexpectedly. Consequence of defect: this unexpected stopping or slowing of the truck may increase the risk of a rear end collision since the brake (stop) lights are not activated. Also, on certain road conditions this occurrence may result in loss of vehicle control which would lead to an accident.
Remedy
Replace the push-pull type brake control valve with new over-center cam type valves.
Notes
System: hydraulic parking brake control valve.vehicle description: medium and heavy truck and bus chassis equipped with hydraulic brakes.

Recall details

NHTSA campaign
85V168000
Reported to NHTSA
December 20, 1985
Filed by
FORD MOTOR COMPANY
Vehicles potentially affected
51,500
Initiated by
the manufacturer
Components
Parking brake › Driveline › Air
Recall 85V168000 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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