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Heater hoses replacement instructions please?

Tiny
AL HENKE
  • MEMBER
  • 2007 FORD TAURUS
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
It started with no heat after looking under the engine (the car was on a lift) It looks as if the heater core hose is leaking. How do I change the hoses? The fluids I add just comes out.
Monday, May 13th, 2019 AT 5:57 PM

5 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Here is a video of a Chevrolet but the process is about the same on your vehicle:

https://www.youtube.com/watch?v=lwtDjEk5qXY

Below is the process on how to replace this from the manual which will give the detail needed to complete this.

Also, here is a guide that will help with pressure testing the system after you are finished to make sure there are no other leaks:

https://www.2carpros.com/articles/radiator-pressure-test

Please see the attached below and let us know if you have other questions. Thanks
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Tuesday, June 8th, 2021 AT 5:47 PM
Tiny
DUPPER
  • MEMBER
  • 2 POSTS
  • 1999 FORD TAURUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
Need to replace the metal heater hose assembly. Two questions. Most importantly. How does the by-pass in the heater hose assembly work? Does the metal piping have a release valve built into it that automatically opens when backpressure increases due to heater core getting clogged? Or, is it simply a smaller diameter line in the by-pass than the one that goes to the core, forcing coolant through the core by "path of least resistance" concept?The hose assembly is incredulously wrapped around a long black plastic tube that run vertically just adjacent to the corner by the driver's side firewall, resembles an extension on a leaf blower, and is open on the end. I cant figure out how to get the assembly our without removing that tube (horn, possibly?). Thoughts?
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Wednesday, July 28th, 2021 AT 12:08 PM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://www.2carpros.com/forum/automotive_pictures/99387_fan_7.jpg



no valve or nothing its just a bypass hose
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Wednesday, July 28th, 2021 AT 12:08 PM (Merged)
Tiny
DALE BOYLAN
  • MEMBER
  • 1 POST
  • 1999 FORD TAURUS
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 220,000 MILES
Water leaks rear of motor.
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Wednesday, July 28th, 2021 AT 12:08 PM (Merged)
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This is most likely a heater hose so here is a guide that will help with this.

https://www.2carpros.com/articles/replace-heater-hoses

Plus below is the info from the manual on how to replace these. Let us know if this is not it. If it is not, I would pressure test the system in order to find where the leaking is coming from.

https://www.2carpros.com/articles/radiator-pressure-test

Let me know what questions you have. Thanks
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Wednesday, July 28th, 2021 AT 12:08 PM (Merged)

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