NHTSA Recall 79V059000
NHTSA Campaign Id 79V059000; Date: Feb. 23, 1979
Recalled Vehicles:
1978 Kenworth W900
Component: Parking Brake:driveline:air
Manufactured by: Paccar, Incorporated
Affected Units:: 2,620
Recall Summary:
The parking brake valves may have been incorrectly piped. If the parking brake piping is incorrectly routed, there is no way to set the tractor parking brakes independently of the trailer parking brakes. This could cause the parking brakes to back off while the trailer air supply is being charged, causing the tractor to roll.
How to Fix:
Trailer air supply will be moved from the discharge side of the tractor parking valve to the discharge side of the combination parking valve. This service will be done at no charge.
Recall Notes:
Vehicle description: trucks. System: parking emergency brakes; air, valve, control. Consequences of defect: if the tractor and trailer roll free, a vehicleaccident and personal injury may occur.
Date Owners notified by Manufacturer: Feb 15, 1979
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