NHTSA recall campaign
79V014000
ManufacturerMACK TRUCKS, INCORPORATEDReported1979-01-09Affected358 vehicles
What was wrong
Defect
A DEFICIENCY IN THE ROUTING OF THE HEATER DUCT HOSE COULD ALLOW THE HOSE TO REST AGAINST A TERMINAL POST OF THE ACCESSORY RELAY. VIBRATION WILL EVENTUALLY CAUSE THE TERMINAL POST TO PENETRATE THE HOSE FABRIC AND SHORT CIRCUIT THE WIRE REINFORCEMENT AND OVERLOAD THE CIRCUIT.
Manufacturer remedy
DEALER WILL REPLACE THE PORTION OF THE EXISTING HOSE THAT IS CLOSEST TO THE ACCESSORY RELAY WITH AN ALL-RUBBER HOSE.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →