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Publication Date: October 31, 2006

2003-2005 Excursion
2003-2007 F-Super Duty


Some 2003-2007 F-Super Duty and 2003-2005 Excursion vehicles equipped with 6.0L diesel engines may exhibit a leaking heater core. The majority of repeat heater core leaks are due to a high flow rate or use of poor quality coolant.


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