The 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.
The remedy
DEALER WILL REPLACE THE PORTION OF THE EXISTING HOSE THAT IS CLOSEST TO THE ACCESSORY RELAY WITH AN ALL-RUBBER HOSE.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|
Components: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
Other visibility recalls in 1979
15 of the 274 recall campaigns reported to NHTSA in 1979 concerned the visibility; MACK TRUCKS, INCORPORATED filed 245 campaigns in all.
| 79V272000 27 Dec 1979 | FORD MOTOR COMPANY |
| 79V260000 14 Dec 1979 | CHRYSLER CORPORATION |
| 79V244000 6 Nov 1979 | GRUMMAN FLXIBLE CORP. |
| 79V245000 6 Nov 1979 | FREIGHTLINER CORP. |
| 79V207000 14 Sept 1979 | PACCAR, INCORPORATED |
| 79V202000 11 Sept 1979 | AMERICAN GARELLI EAST,LTD |
| 79V190000 14 Aug 1979 | UNITED TRADE REP(TOMOS) |
| 79V156000 19 Jun 1979 | INTERNATIONAL HARVESTER |
NHTSA recalls (public domain) · all recalls of 1979