1978 Kenworth W900 Recalls

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NHTSA Campaign Number: 79V059000
Manufacturer: PACCAR INCORPORATED
Manufactured Begin Date: June 1st, 1978
Manufactured End Date: November 1st, 1978
Date of Owner Notification: February 15th, 1979

Defect 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.

Corrective Summary:
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.

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NHTSA Campaign Number: 79V179000
Manufacturer: PACCAR INCORPORATED
Date of Owner Notification: November 6th, 1979

Defect Summary:
SOME OF THE INVOLVED VEHICLES DO NOT COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE AIR RESERVOIR CAPACITY IS BELOW THAT ALLOWED BY THE STANDARD.

Corrective Summary:
DEALER WILL EITHER REPLACE THE EXISTING TANK WITH A LARGER TANK OR ADD A SECOND TANK, WITHOUT CHARGE TO OWNER.

Recall Notes:
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; AIR SUPPLY RESERVOIR.CONSEQUENCES OF DEFECT: UNDER CERTAIN DRIVING CONDITIONS WHICH MAY REQUIREREPEATED BRAKE APPLICATIONS, AIR SUPPLY COULD BE DEPLETED AND BRAKING ACTIONLOST. A VEHICLE ACCIDENT COULD RESULT.