NHTSA Recall 91V205000
NHTSA Campaign Id 91V205000; Date: Nov. 22, 1991
Depletion of air supply from the parking brake circuitwould allow the bus to roll with the parking brake applied. This couldresult in a vehicle accident.
Recalled Vehicles:
1984 Volvo B10m; 1985 Volvo B10m; 1986 Volvo B10m
Component: Service Brakes, Air:antilock
Manufactured by: Volvo Gm Heavy Truck Corp
Affected Units:: 171
Recall Summary:
The existing interlock air brake system must get its air supply directly from the parking brake air supply circuit. Should a component failure occur in the interlock air system, it will deplete the air supply from the parking brake circuit.
How to Fix:
Relocate the air supply line for the interlock system so that the air supply comes from the parking brake circuit to ensure that when the parking brake is applied, the parking brake cannot be disengaged or overridden by component failures.
Recall Notes:
System: brakes. Vehicle description: 60 foot articulated buses.
Date Owners notified by Manufacturer: Oct 23, 1991
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