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Old Dec 26, 2021 | 05:09 PM
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What’s this part?

Hoping someone can point me in the right direction. Circled in yellow. What is this?

new to excursion world. 2000 v10.

appears to be leaking and smells like it might be part of coolant system!

thanks
 
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Old Dec 26, 2021 | 05:34 PM
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Heater valve. It cuts off the coolant flow to the heater core when you select max AC.
.
​​​​​.
.

 
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Old Dec 26, 2021 | 07:31 PM
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Originally Posted by Antonm
Heater valve. It cuts off the coolant flow to the heater core when you select max AC.
.
​​​​​.
.

max ax has been running!

why would it appear to be leaking?
 
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Old Dec 27, 2021 | 04:05 PM
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Originally Posted by yaqngie
max ax has been running!

why would it appear to be leaking?
If its leaking, its either defective or just old and had it. You should look at replacing it before it completely blows out and dumps all the coolant on the ground leaving you stranded somewhere.
.
.
.
 
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Old Dec 27, 2021 | 04:09 PM
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Yes replace it now before it completely goes. Also be wary of aftermarket on these. I bought on at napa and it failed after 2 months and started leaking. Bought an oem motorcraft and been fine ever since
 
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Old Dec 27, 2021 | 04:42 PM
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It should be replaced, remember it’s 21 years old and not if, but when it goes you don’t want to be on the side of the road at 3 am. As stated above use Motorcraft Good luck.
 
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Old Dec 28, 2021 | 03:04 PM
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Any guidance on how to switch it out.

at home fix or take it to the shop?
 
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Old Dec 28, 2021 | 03:38 PM
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It is super easy to replace. Disconnect the 3 hose clamps with a pliers, Disconnect the vacuum line, then remove from the hoses. Installation is the reverse. You will loose a little coolant, but probably not enough that would need to have it topped off.
 
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Old Dec 28, 2021 | 06:50 PM
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Don’t replace it with a cheapie from China, else you’ll be replacing it again in months.
 
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Old Jan 6, 2022 | 04:34 PM
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Putting on a new one from Ford right now!
 
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Old Jan 6, 2022 | 05:23 PM
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Originally Posted by yaqngie
Putting on a new one from Ford right now!
Great. Good luck.
 
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Old Jan 6, 2022 | 10:02 PM
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You’ll be fine for another 5 years now,
 
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