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nukeman4444's avatar
nukeman4444
Explorer
Aug 05, 2014

2001 Ford V-10 Heater Hose Vent

I have a 2001 Allegro with a V-10. At the front of the engine at the 3/4 inch heater hose connection there is a fitting that looks like some kind of vent. It is covered by a rubber fitting and a clamp and is located just below the place where the 3/4 inch hose connects. Could anyone tell me the purpose of this vent/fitting and how it is used?

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