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TSB Main Page
- HEATER CORE LEAKAGE AND ELECTROLYSIS (INFORMATION ONLY)
| Publication Date: October 17, 2006 |
| 1997-2002 Contour |
1997-2007 Crown Victoria, Mustang, Taurus
2005-2007 Five Hundred, Freestyle
1997-1999 F-250 Light Duty
1997-2007 E-Series, Expedition, Explorer, F-150, F-53 Motorhome Chassis, F-Super Duty, Ranger
2001-2003 Explorer Sport
2001-2007 Escape, Explorer Sport Trac
2004 F-150 Heritage
2005-2007 Escape Hybrid
1999-2007 F-650, F-750
| 1997-2002 Continental |
1997-2007 Town Car
2000-2006 Lincoln LS
2006-2007 Mark LT
| 1997-2002 Cougar, Mystique |
1997-2007 Grand Marquis
2006-2007 Mariner Hybrid
This article supersedes TSB 01-15-6 to update the vehicle model years and Service Procedure.
The majority of repeat heater core leaks are due to high flow rate or use of poor quality coolant. However, electrolysis should also be checked, especially when repeat repairs have occurred.
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