1978 MACK MR RECALL - #79V014000
RECALL FOR VISIBILITY : DEFROSTER/DEFOGGER/HVAC SYSTEM : HEATER CORE
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.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
1978 MACK MR |
|
| Manufacturer |
MACK TRUCKS, INCORPORATED |
| Manufactured between |
3/1/1978 - 11/17/1978 |
| Recalled on |
10/12/1979 |
| Influenced by |
MACK TRUCKS, INCORPORATED |
| Owners Notified on |
2/2/1979 |
| # Affected |
358 |
| Recalled for |
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE |
|
|
| 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. |
| Consequences |
|
| Corrective action |
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. |
| See also |
1978 MACK MR Recall for ENGINE AND ENGINE COOLING, ENGINE
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