CATERPILLAR IS RECALLING CERTAIN C7 DIESEL ENGINES, 7L, 6-CYLINDER, TURBO AND AIR-TO-AIR AFTERCOOLED ENGINES WITH 190-300 HORSEPOWER RATINGS, BUILT FROM DECEMBER 14, 2006, THROUGH JANUARY 6, 2009, SOLD AND INSTALLED AS ORIGINAL EQUIPMENT IN CERTAIN BLUE BIRD SCHOOL BUSES. COOLING SYSTEM COOLANT IN THIS APPLICATION CAN DEGRADE, WHICH MAY CAUSE THE ENGINE COMPONENTS TO PREMATURELY DETERIORATE POSSIBLY LEADING TO COOLANT LEAKS.
CATERPILLAR IS RECALLING CERTAIN C7 ENGINES MANUFACTURED FROM MARCH 3, 2005 THROUGH JANUARY 6, 2009, INSTALLED AS ORIGINAL EQUIPMENT IN VARIOUS HEAVY TRUCKS AND BUSES. THE #5 AND #6 FUEL LINES MAY CRACK AT THE FASTENING POINT TO THE COMMON FUEL RAIL AND CAUSE A FUEL LEAK.
THE DIESEL PARTICULATE FILTER (DPF) ATTACHMENT BRACKET ON 235 C7, C9, C13 AND C15 ENGINES MAY FAIL ALLOWING THE DPF TO SEPARATE FROM THE CHASSIS AND BECOME A ROAD HAZARD. THE ENGINES INVOLVED ARE THE C7, C9, C13 AND C15 TURBOCHARGED AND AIR-TO-AIR AFTERCOOLED ENGINES OF 335 THROUGH 625 HORSEPOWER.
A PLUG ON THE OUTLET SIDE OF THE FUEL PUMP CAN CRACK ON 8,055 C7 AND C9 DIESEL ENGINES THAT ARE EQUIPPED WITH A CR 350 (COMMON RAIL HIGH PRESSURE) PUMP. THE AFFECTED ENGINES INCLUDE 6 CYLINDER C7 (7L) AND C9 (9L) TURBOCHARGED AND AIR-TO-AIR AFTERCOOLED DIESEL ENGINES OF 190 THROUGH 425 HORSEPOWER.
CERTAIN CATERPILLAR C7 DIESEL ENGINES INSTALLED AS ORIGINAL EQUIPMENT IN 2008 BLUE BIRD VISION SCHOOL BUSES. THE OIL FILL CAP MAY SEPARATE FROM THE OIL FILL TUBE ALLOWING ENGINE OIL TO BE EMITTED FROM THE TUBE. OIL COULD WET THE LEFT FRONT BRAKE RESULTING IN REDUCED BRAKING CAPACITY.
CERTAIN CATERPILLAR C7 AND C9 DIESEL ENGINES INSTALLED AS ORIGINAL EQUIPMENT IN TRUCKS AND SCHOOL BUSES. A FUEL PUMP FAILURE WILL DILUTE THE ENGINE OIL WITH FUEL AND CAUSE LOSS OF THROTTLE CONTROL AND EXCESSIVE SMOKE.
CERTAIN CATERPILLAR C7 DIESEL ENGINES INSTALLED ON CERTAIN FREIGHTLINER CHASSIS. THE ELECTRONIC CONTROL MODULES USED ON 6 CYLINDER, 7L TURBOCHARGED AND AIR-TO-AIR AFTERCOOLED DIESEL ENGINES MAY MALFUNCTION RENDERING THE ENGINE INOPERABLE WITHOUT WARNING.