There are no cooling system hoses in the left rear fender area. The coolant must be traveling back from the front so look for the leak there.
Agree,must be blowing back to rear,check for leaks under engine.
Looking for a Used Expedition in your area?
CarGurus has 22,426 nationwide Expedition listings starting at $1,000.
Search Ford Expedition Questions
Ford Expedition Experts
Related Models For Sale
Used Cars For Sale