Asked by Dec 10, 2013 at 05:52 PM about the 1999 Ford Expedition 4 Dr XLT SUV

Question type: Maintenance & Repair

186,000 miles,  replaced themostat about 2 weeks ago.  turn on heat or defrost and smells like anitfreeze.  no wetness inside truck.  windows will not unfog.  heat is still blowing hot.  this all started about 4 hrs ago, all of a sudden. no warning lights are on.

2 Answers


Yes. A small leak in the core most probably. Replace before the leak gets larger.


Very likely the core, another person on this site; oldtimer37 communicated a website on how to dig into it and remove/replace the core; Good luck!!

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