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

Tiny
MYTRUCK111
  • MEMBER
  • 2002 FORD RANGER
  • 172,000 MILES
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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Wednesday, February 22nd, 2012 AT 12:13 AM

7 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You sure its not the heater control valve bypass hose tubing
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
MYTRUCK111
  • MEMBER
  • 4 POSTS
I dont know what it is but its leaking all my coolant out
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
That is the heater control valve.
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
MYTRUCK111
  • MEMBER
  • 4 POSTS
And since its leaking all the time im guessing I need to new heater core?
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,864 POSTS
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.
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
MYTRUCK111
  • MEMBER
  • 4 POSTS
And since im puting in a new clutch guess ill be pulling an engine lol. Thank you for your help.
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Saturday, February 9th, 2019 AT 3:57 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
I don't know what an engine has to do with a heater core.
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Saturday, February 9th, 2019 AT 3:57 PM

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