Recall campaign · NHTSA 79V014000

Visibility: defroster/defogger/hvac system: heater core

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1979-01-09.

Recall campaignNHTSA 79V014000

Visibility: defroster/defogger/hvac system: heater core

Component
Visibility: defroster/defogger/hvac system: heater core
Manufacturer
MACK TRUCKS, INCORPORATED
Vehicles affected
358
Reported to NHTSA
1979-01-09
Owners notified
1979-02-02

Defect description

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.

Notes

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: ELECTRICAL; HEAT DUCT HOSE.CONSEQUENCES OF DEFECT: DUE TO A LACK OF CIRCUIT BREAKER PROTECTION, FIRE ANDLOSS OF ALL ELECTRICAL CIRCUITS, INCLUDING HEADLIGHTS, CAN OCCUR AND POSSIBLYLEAD TO A VEHICLE ACCIDENT.

Scope of coverage

2 model years across 2 models.

ModelYears on record
MACK MC1978
MACK MR1978

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.