Recall 79V-059: 1978 Kenworth W900
PACCAR, INCORPORATED recall for parking brake, reported to NHTSA on Feb 23, 1979, covering about 2,620 vehicles.
The problem
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.
The 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.
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.
Recall details
| Manufacturer | PACCAR, INCORPORATED |
|---|---|
| Component | Parking Brake › Driveline › Air |
| Recall started by | the manufacturer |
| NHTSA campaign number | 79V059000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Kenworth W900 | 1978 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 79V-059?
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 is recall 79V-059 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.