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Vehicle recall 07V335000 · August 2, 2007

Western Star 4900, Sterling A9500 and 10 more models

On certain trucks, a manufacturing error in the fuel-water separator preheater thermoswitch may prevent the fuel preheater from turning off if the ignition is left on.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
On certain trucks, a manufacturing error in the fuel-water separator preheater thermoswitch may prevent the fuel preheater from turning off if the ignition is left on. If the ignition switch is left on when fuel is added to the fuel- water separator at the factory or during a filter element change, a small flame may occur inside the filter cover.
Consequence
The potential exists for the flame to spread resulting in possible personal injury.
Remedy
Dealers will inspect the fuel filter date code and thermoswitch lot code to determine if they contain the suspect component free of charge. The recall began on October 4, 2007. Owners may contact freightliner at 1-800-547-0712.
Notes
Freightliner recall no. Fl-508.CUSTOMERS may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.

Recall details

NHTSA campaign
07V335000
Reported to NHTSA
August 2, 2007
Filed by
FREIGHTLINER LLC
Manufacturer campaign
FL-508
Owner notification
October 4, 2007
Vehicles potentially affected
4,299
Initiated by
the manufacturer
Components
Fuel system, gasoline › Delivery
Recall 07V335000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Fccc been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Fccc dealer can also check your VIN. Recall repairs are free.