NHTSA Recall 77V121000
NHTSA Campaign Id 77V121000; Date: Aug. 12, 1977
Recalled Vehicles:
1976 Freightliner Freightliner; 1977 Freightliner Freightliner
Component: Wheel
Manufactured by: Freightliner Corp.
Affected Units:: 163
Recall Summary:
On the involved vehicles, cracks may develop at the base of the inner wheel bearing cup and propagate circumferentially around the barrel of the hub. A fracture between the inner hub end and the flange portion of the hub could eventually develop. Failure could occur causing hub separation. Continued operation after hub separation has occurred could result in lock-up of brake assembly, excessive heat generation due to brake lining to drum contact, and progressive damage to the hub, causing the separated hub with the wheel and tire to disengage from the truck.
How to Fix:
Dealer will replace the aluminum hubs with steel hub, cup and stud assemblies, without charge to owner.
Recall Notes:
Vehicle description: trucks equipped with ff-931 front steering axles and motorwheel corporation aluminum hubs. System: suspension; wheels. Consequences of defect: either hub failure or complete separation of the wheelassembly could cause loss of vehicle control and an accident. Note: driver may hear a sound the instant the hub separates, along withthumping and wheel wobble.
Date Owners notified by Manufacturer: Nov 14, 1977
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