Mack Trucks on certain trucks, an unprotected lead in the thermoswitch of the heater may make contact with another post possibly creating a short circuit, which can result in continuous operation of the heating element.
The short version
MACK TRUCKS, INC reported a problem with the fuel system, diesel. Here is what owners need to know.
ON CERTAIN TRUCKS, AN UNPROTECTED LEAD IN THE THERMOSWITCH OF THE HEATER MAY MAKE CONTACT WITH ANOTHER POST POSSIBLY CREATING A SHORT CIRCUIT, WHICH CAN RESULT IN CONTINUOUS OPERATION OF THE HEATING ELEMENT.
IF THE CONDITION EXISTS AND THE KEY IS LEFT ON WITHOUT FUEL IN THE FILTER, THE HEATING ELEMENT MAY HEAT TO A POINT WHERE A FLAME BECOMES PRESENT AT THE TIP OF THE ELEMENT WHICH COULD RESULT IN A VEHICLE FIRE.
DEALERS WILL INSPECT THE THERMOSWITCH AND WILL REPLACE IT IF NECESSARY, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 07V-346.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 07V-346 |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
Not affiliated
MyAutoRecalls is not affiliated with MACK TRUCKS, INC or the National Highway Traffic Safety Administration.