Cooling system: fanRecall 96V-232 · Freightliner vehicles
FREIGHTLINER CORPORATION recall 96V-232 covers 27,500 Freightliner vehicles for a cooling system: fan problem, reported to NHTSA on November 13, 1996.
Source: NHTSA recall 96V232000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH HORTON FAN DRIVES. THE FAN DRIVE CONTROL SYSTEM WAS RECONFIGURED WHICH RESULTED IN A SIGNIFICANT INCREASE IN THE DEMAND FOR FAN ACTIVATION AND ASSOCIATED STRESS TO ELECTRICAL AND MECHANICAL COMPONENTS. VARIOUS COMPONENT FAILURE MODELS, COMBINED WITH CHARACTERISTICS OF THE FAN CLUTCH AND ITS BEARINGS, CAN CAUSE FAN CLUTCH BEARINGS TO FAIL PREMATURELY AND RESULT IN A LOCKED FAN.
The risk
IF THE FAN IS LOCKED, THE THE SYSTEM CALLS FOR THE FAN TO BE ON, THE FAN CLUTCH WILL SLIP, GENERATE HEAT, AND UNLESS RELEASED, WILL RESULT IN A FIRE.
The fix
DEALERS WILL REPLACE THE FAN CLUTCH DRIVE DISC WITH ONE THAT INCORPORATES A THERMALLY ACTIVATED PRESSURE RELIEF.
OWNER NOTIFICATION:OWNER NOTIFICATION WILL BE COMPLETED BY DECEMBER 9, 1996. NOTE:OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FREIGHTLINER AT 1-503-735-8000.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from October 1, 1993 to June 30, 1994. Not every vehicle in these model years is included; check by VIN.