United States 07V138000
Mitsubishi Fuso Truck of America, Inc.
The problem
ON CERTAIN TRUCKS, THE CYLINDER HEAD IDLER GEAR BUSHING MAY HAVE BEEN IMPROPERLY MACHINED, CAUSING EXCESSIVE STRESS ON THE CYLINDER HEAD IDLER GEAR SHAFT. CONTINUED OPERATING IN THIS CONDITION COULD CAUSE THE IDLER GEAR SHAFT FLANGE TO BREAK AND GENERATE ABNORMAL ENGINE NOISE OR ENGINE OIL LEAKS.
Risk
THE ENGINE COULD STALL AND WOULD NOT RESTART INCREASING THE RISK OF A CRASH.
What owners should do
ON VEHICLES WITH LESS THAN 15,000 MILES, IF THE IDLER GEAR AND BUSHING ASSEMBLY, IDLER GEAR SHAFT AND BOLT WILL BE REPLACED. IF THE MILEAGE IS MORE THAN 15,000 MILES, THE INSIDE DIAMETER OF THE IDLER GEAR BUSHING WILL BE MEASURED AND IF THE BUSHING MEASURES MORE THAN 32.043MM (1.262"), THE IDLER GEAR AND BUSHING ASSEMBLY, IDLER GEAR SHAFT AND BOLT WILL BE REPLACED. THE RECALL BEGAN ON AUGUST 13, 2007. OWNERS MAY CONTACT MITSUBISHI FUSO AT 1-856-467-4500.
Units 8712