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EAS temperature sensor Hitatchi/Dunlop
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Noar
 


Member Since: 18 Mar 2019
Location: Ă…esund More og Romsdal County, Norway
Posts: 25

Norway 2008 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3
EAS temperature sensor Hitatchi/Dunlop

Hello All,
ruled out issue to sensor in compressor cylinder head.
Compressor is almost new and there was no problem to take it out.
Did anybody investigate what kind of sensor is that, and what is the specification so I can order it...
Unfortunately there are no markings on sensor itself.
After quick search I could not find it, then i dug out the thermocouple and still nothing but looks like NTC thermocouple.
Does anybody know which type it is? What threshold?



  
Post #221303723rd Feb 2021 9:32 am
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KevinD3
 


Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1277

England 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

See if you can drill down on Lrcat to the part, should get the part number then to search for
http://new.lrcat.com/#!/12128/41216/41840
 2008 HSE Stornoway Grey

My Wife thinks the D3 is a hobby, The D3 thinks the wife is đŸ’• 
 
Post #221305523rd Feb 2021 11:12 am
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Noar
 


Member Since: 18 Mar 2019
Location: Ă…esund More og Romsdal County, Norway
Posts: 25

Norway 2008 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3

It is not listed as a component. Shocked
It does not have a part number on nippel. Shocked
It is cheep sealed termocoupling in the nippel with silicone glue
  
Post #221306623rd Feb 2021 12:00 pm
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vjuntura
 


Member Since: 28 Mar 2019
Location: Oulu
Posts: 20

Finland 2008 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

I suppose that's off from Ebay cheapie compressor?

I had similar failure with one (I think it was a year from buying) and I noticed it when the vehicle gave "suspension will raise after system cooled message". Then looked at live data from that sensor and it was all the time something like 190C even when the compressor had not run at all after turning ignition on.

I was lucky to have my earlier Hitachi compressor (which I replaced with the ebay one) and I took the sensor out of it and soldered the wires together. It has been working normally ever since. I also tried to source that kind of sensor somewhere but wasn't able to find one. Didn't investigate that further.
  
Post #221316023rd Feb 2021 5:08 pm
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Noar
 


Member Since: 18 Mar 2019
Location: Ă…esund More og Romsdal County, Norway
Posts: 25

Norway 2008 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3

That is exactly my plan. So far I could not find of shelf sensor, and pairing thermocouple with nipple without knowing which type of thermocouple is inside is a bit of guesswork. My best guess is 50kohm or 100kohm, since on 1.1kOhm live values are maxed out to 200celsious, 10kohm will have resistance of 1.1kohm on 85 degrees and therefore that is not matching pair:) will know more after I receive second hand compressor and salvage the sensor.

Update: received another compressor salvaged sensor, connected, working as it should.
As far as I can read with my primitive multimeter and live temperature values from IID tool it is:
1Mohm @ 25celsious
  
Post #221333824th Feb 2021 9:19 am
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