Water Temp Sensor
robert greig
Ken Needham
Hi Robert, It is possible to fit a temp sensor in three places on the Raceline water rail.
- Just behind the head where the original Mondeo thermostat would have been. I think this is 1/8 NTP.
- Roughly half way along the rail towards the Thermostat. This thread is much larger 3/8 NTP maybe?
- At the thermostat. I believe this is normally use for the Fan temp sensor.
All are different size threads. Which one are you using?
I will look at mine and see if there are nay marks
Regards
Ken
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Sent: Thursday, September 20, 2018 1:05:01 PM
To: Quantum Owners Group
Subject: [Quantum Owners] Water Temp Sensor
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robert greig
Ken Needham
Hi Robert, Ok I have looked at mine and the only marking I can find is “AutoMega”.
A quick look on the web shows similar with a part number of 90510183. Not sure on thread size of that part number.
Other checks show the thread size as being M12 but the thread on the Racelink is bigger, I measured 5/8”.
I’ll see if I can find more info….
Hope it helps
To: quantu...@googlegroups.com
Subject: RE: [Quantum Owners] Water Temp Sensor
Nigel Plant
I will check mine later to see if can help. What about buying from Burton Power who sell Raceline or Raceline themselves.
Out of interest have you checked yours? I have found on mine that the tstat housing is very high and if the water level is down ie expansion tsnk below the sensor the fan performance gets erratic or doesn't work. I assume due to an air lock.
Regards
Nigel
Ken Needham
Hi Nigel, There are several types of Tstat housing used on the Raceline, some with a removable cap and others without. Raceline state that the unit is frequently used with no expansion tank and will require frequent checks for water level.
I also found on one of the Ford chat sites (passion for Ford?) that problems will be had if there is no hole in the thermostat to allow a bleed through prior to the stat opening.
The hole needs to be large enough to allow water flow during warmup and small enough to ensure the heater gets sufficient flow. The article I read suggested about 2 – 3 mm hole.
My system does have a removable cap and header tank but I did get too hot
I drilled a 3mm hole in the thermostat which seemed to fix the problem although I have not used the car much since.
I have checked the temp sensor I have fitted in the location along the side of the raceline. It has a 12mm thread which then goes into a T piece . The thread on the T piece which enters the Raceline is 5/8” OD. As to the thread type It may be NTP or BSP. A BSP fitting will only wind onto the T piece a couple of turns and a BSP male similarly only winds into the Raceline a turn or so before feeling tight. It may be a taper thread.
So I think the answer to Robert’s sensor is that it is an AutoMega or similar with a 12 x 1.5mm thread
Sent: Friday, September 21, 2018 4:21:03 PM
To: Quantum Owners Group
Subject: RE: [Quantum Owners] Water Temp Sensor
robert greig
Ken Needham
I see that there is a range of similar sensors where the difference is the colour of the shroud. I have not been able to find any real retail but I suspect that the colour may relate to the resistance/temperature relationship.
My system uses that sensor to feed the ECU ( An Emerald K6) and has a blue shroud
To: quantu...@googlegroups.com
Subject: Re: RE: [Quantum Owners] Water Temp Sensor