im wondering what this hose is for and why its leaking coolant

2002 FORD RANGER
172,000 MILES
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MYTRUCK111
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i have a 02 ford ranger 4cyl 2.3L and there is a 1/2" tube coming out of my firewall by the heater core that is leaking coolant
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Feb 22, 2012 at 12:13 AM
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RASMATAZ
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You sure its not the heater control valve bypass hose tubing
Feb 9, 2019 at 3:57 PM
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MYTRUCK111
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i dont know what it is but its leaking all my coolant out
Feb 9, 2019 at 3:57 PM
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WRENCHTECH
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That is the heater control valve.
Feb 9, 2019 at 3:57 PM
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MYTRUCK111
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and since its leaking all the time im guessing i need to new heater core?
Feb 9, 2019 at 3:57 PM
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CARADIODOC
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I think you're right. It looks like the drain tube below the control valve is wet. There used to be a 4" rubber hose hanging down from it to help keep debris and cold air out.
Feb 9, 2019 at 3:57 PM
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MYTRUCK111
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and since im puting in a new clutch guess ill be pulling an engine lol. thank you for your help.
Feb 9, 2019 at 3:57 PM
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WRENCHTECH
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I don't know what an engine has to do with a heater core.
Feb 9, 2019 at 3:57 PM