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  #1  
Old 09-13-2018
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ttbuster ttbuster is offline
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Angry HELP with temp sensor

I am currently broken down in Sioux Fall, SD driving from Bremerton, WA to Arcadia, Fl for a new job. Yesterday having only driven for about 90 min I noticed my oil and water temp climbing, I pull over to see if I could see anything wrong and noticed the Webster fan was not running at all. I found a shop to look at it, they thing the alarmstat sensor is bad but cannot find anything to replace it with. They pull the wires out of the old sensor and the fan runs but not as high as it should.

Please anybody got any ideas about what might be wrong and where to find a sensor. I am told here it is a 1/8 pipe thread all I can find is 1/2 and 3/8.
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Old 09-13-2018
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The fan thermostat is 1/2" pipe thread. When you remove the wires, it will default to "full on"- meaning the fan will run at full speed (varying with the speed of the engine).



https://www.finditparts.com/products...trols-8037020p
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Old 09-13-2018
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Default This is what they pulled out

As you can see they look very different. I found that same replacement but was told it would not fit.
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Old 09-13-2018
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It would appear that you have a bushing of some sort in the original hole. As far as I know, the thermostat housings all had 1/2" NPT holes in them during the 84-88 years. This is the photo of my thermostat housing in the right side... the other one is almost identical, except for the fan thermostat being there.

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Old 09-13-2018
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Default Not the same place

I have both of them in place but this sensor they found in the coolant pipe by the above the water pump.
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  #6  
Old 09-13-2018
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Default From here

This i.e. Where the sensor they removed came from
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Old 09-13-2018
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Can you take a picture of the other side? Someone installed your temp sensor in the hole where you normally purge air from the engine, not sure why?? That is pretty close to the turbo and gets HOT... maybe that explains the failure?
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  #8  
Old 09-13-2018
rshrimp rshrimp is offline
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Why not install the proper sensor in the location Shane suggested?
I said that so I would stay on Topic!

Arcadia FL?? My son lives there and we visit often. What are you going to be doing there? It's a pretty small town.
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  #9  
Old 09-13-2018
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Default Arcadia

I operate hyperbaric chamber and am helping to open a new center there.
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  #10  
Old 09-13-2018
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Got sensor replaced made it 10 mile and it overheated again back to square one.
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