Coolant leak underneath the back of the engine

Asked by Oct 08, 2016 at 04:56 PM about the 2003 Ford Expedition Eddie Bauer 4WD

Question type: Maintenance & Repair

My 03 expedition 5.4L will not hold coolant, its leaking
from underneath the back of the engine. I use my
garden hose to fill the reservoir with water to see
exactly where it was coming from, and it just leak out
the back underneath. Not sure exactly where. Any
suggestions as to were the leak might be

3 Answers

254,585

Check the heater hoses, they connect to the firewall connecting to the heater core inside the dash. Also might be a freeze plug came loose.

885

Nice one Tom I was going to suggest the same. TK, Make sure the engine is thoroughly degreased in the back, as well as the firewall. This will help you find leaks more easily. good luck.

TK, did you ever find the origin of the leak?

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