Rusted coolant part connected to ECT sensor

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rustymyers

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Hi all,

New to the forums! Thanks in advance.

I'm trying to find a part for my 98 expedition that bolts into the engine and connects a coolant tube and holds the engine coolant temperature switch/sensor. The metal tube is about 3-4 inches.

I've attached a photo of it, you can see in the center where it was glued before. I guess it's been leaking in the past, but was't replaced. That's where a small metal tube protruded and connected to a tube that ran around the back of the engine. It's bolted into the engine block directly behind the alternator and under the engine air intake.

I've currently got a simple fitting that screws into the engine and connects the hose, bypassing the ECT sensor/switch. It seems to work, but probably isn't good to run with out the sensor.

I'm hoping to find a used or new replacement part that I can put in myself.

Thanks again,
Rusty
 

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Bowesmobile

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Is this a 5.4L of 4.6L? I just did some work in that area on my 4.6L and it doesn't have anything like that on it. The ECT sensor and switch both screw directly into the intake. One right behind the alternator and one just to the passengers side.
 
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rustymyers

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I do believe this is the 5.4L. I'll get a couple more pictures taken tonight to give a better idea of where this piece is. Does your ECT sensor screw into a shaft that is a few inches, which is connected directly to the engine? My engine had the coolant tube connected at an angle to this shaft piece and the ECT screws into that from the top.
 

FordandPolaris

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Hi all,

New to the forums! Thanks in advance.

I'm trying to find a part for my 98 expedition that bolts into the engine and connects a coolant tube and holds the engine coolant temperature switch/sensor. The metal tube is about 3-4 inches.

I've attached a photo of it, you can see in the center where it was glued before. I guess it's been leaking in the past, but was't replaced. That's where a small metal tube protruded and connected to a tube that ran around the back of the engine. It's bolted into the engine block directly behind the alternator and under the engine air intake.

I've currently got a simple fitting that screws into the engine and connects the hose, bypassing the ECT sensor/switch. It seems to work, but probably isn't good to run with out the sensor.

I'm hoping to find a used or new replacement part that I can put in myself.

Thanks again,
Rusty

If you bring it to a Ford dealer, they can probably identify it and give you a part number. After that, tell them you will think on it and pick it up somewhere else if they carry it (cheaper this way). Ford has great parts diagrams, so consequently I do this a lot. I can't personally tell you exactly what that piece is called.
 

BIGRED03

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I believe this part is identified already on this site. You are describing something I posted pictures of a couple weeks ago and cannot remember where but it a crossover coolant or cross coolant pipe. There was lengthy posts from several people. I will search some more and get back to you.
 

BIGRED03

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I found it. Look for the thread "need part identified" under this section of first gen. Coolant crossover pipe is the name and it attaches to the plastic manifold. Some seem to be aluminum and some are plastic. They are real fun to work on for those who are built close to the ground.
 
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rustymyers

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Thanks for the replies.

BigRed03, I did read that thread before posting, but I don't think I have the same issue.

FordAndPolaris, I'll do that tomorrow if I can't find it by then. Thanks for the tip.

I put together a few more pictures to better show the part:
Rusted coolant part connected to ECT sensor - Imgur

Seems like it should be an easy fix if I can find the replacement.

Thanks!
 

toms89

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I believe the part you are looking for is called "temperature sensor adapter" .

May be a dealer only item or scrap yard. Just for your info these are not on the later pi motors so you need to look at 98 or earlier.
 
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