ClubCalibra | Coolant sensor
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Offline Gav

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Re: Coolant sensor
« Reply #20 on: August 17, 2010, 17:26:28 PM »
Quote from: RobbieV on August 17, 2010, 17:24:50 PM
Actually the blue CTS is for the ECU regardless of aircon, and the black one is for the dash.

Lol I just realised mine was blue when I got the part number and got worried for a minute :)
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Offline Martin.

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Re: Coolant sensor
« Reply #21 on: August 17, 2010, 17:47:13 PM »
I have been following this thread all day on my phone at work!
but couldn't see the links!
My car is having all the symptoms of the OP!
So I stopped at a shop on the way home and got a coolant temp sensor!

But I have the wrong bloody thing >:(! I have the sender that tells your dash what the temp is!!!!! >:(
And I know this because know when my cooling fan cuts in and out! the temp needle is NOT where it usually sits!

I have not got air con!!!!


there is one on Ebay with a black plug!
http://shop.ebay.co.uk/?_from=R40&_trksid=p3907.m570.l1313&_nkw=calibra+coolant+sensor&_sacat=See-All-Categories

and the one earlyer in this thread which is blue!!!

The thing I have!! and tells the dash needle where to be looks like this!!


and on the car it looks like this! (thing with red ring on it is the new sensor I picked up to day!)



So hear we have 3 diffrent sensors!!
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Offline Mr V

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Re: Coolant sensor
« Reply #22 on: August 17, 2010, 18:00:11 PM »
If you read the link you posted it will tell you that the coolant sensor has a blue body.
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Offline lammy

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Re: Coolant sensor
« Reply #23 on: August 17, 2010, 20:14:31 PM »
Yes..mine is a V6 with air con (well not actually, cos its been taken out!)..and the sensor is blue.
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Offline Martin.

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Re: Coolant sensor
« Reply #24 on: August 17, 2010, 20:41:59 PM »
Quote from: RobbieV on August 17, 2010, 17:24:50 PM
Actually the blue CTS is for the ECU regardless of aircon, and the black one is for the dash.
[/b]

I was more pointing out the sensor that sends info to the dash(on mine) is not black... or blue,

and doesn't look like the other one!

Either way I still didn't get the one I wanted when I asked for a 'coolant temp sensor'! :(

try again tomorrow!! ::)
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Offline Mr V

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Re: Coolant sensor
« Reply #25 on: August 17, 2010, 20:43:56 PM »
Your first pic with a single connector is the dash coolant sensor, all other ECU CTS are blue.
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Offline tommygards

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Re: Coolant sensor
« Reply #26 on: August 17, 2010, 22:07:55 PM »
Quote from: RobbieV on August 17, 2010, 20:43:56 PM
Your first pic with a single connector is the dash coolant sensor, all other ECU CTS are blue.

you sure mate?  because both my alternatives for the CTS ecu 2 pin connector on my car were blue but had different part numbers and different internal resistances. hence the cock up.  they all use the same plug but i am not sure they are all the same.
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Offline Martin.

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Re: Coolant sensor
« Reply #27 on: August 18, 2010, 20:40:54 PM »
Just fitted my new CTS..............I'm well happy!!!! :) :) :)

As the OP said the fueling is sooooo much better! my dash computer was saying I was getting 22mpg when I drove like my mum!
NOW getting 30mpg!!!!
she idles soooo much better!
the exhaust plays one constant note!!(unlike it did)
just drives sooo much better! with loads more power! without that flat stop just after 3000RPM!!
And best of all.......Its stopped revving up to 2000-2500 RPM on start up!!!!

  8) ME BE A HAPPY BUNNY  8)
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Offline Rhino

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Re: Coolant sensor
« Reply #28 on: August 19, 2010, 11:02:10 AM »
glad my post helped did not expect such a debate  though and the debate over ebay is why i went to vauxhall 1st  i wanted the right part  1st time i dont trust a lot of the rub heads knocking out a million things and the info they gave all seemed to contradict  each other and 20 rubs by the time you added postage an original  was just as cheapp the different  colours are what he told me said you dont have air con i had already told him it was a 2ltr red top then he said you  want the blue 1 then and not the black 1
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Offline angus346

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Re: Coolant sensor
« Reply #29 on: August 24, 2010, 17:57:31 PM »
going out to change mine now, bought a new one of the back of this thread lol. just wondering if i need to use any sealant on the thread of the new sensor. am i likely to lose my coolant while replacing it
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Offline Martin.

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Re: Coolant sensor
« Reply #30 on: August 24, 2010, 18:39:11 PM »
Quote from: angus346 on August 24, 2010, 17:57:31 PM
going out to change mine now, bought a new one of the back of this thread lol. just wondering if i need to use any sealant on the thread of the new sensor. am i likely to lose my coolant while replacing it

I lost coolant when changing mine!
Don't know about the V6!
I put a bit of blue universal seal on mine as I was unsure!
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Offline angus346

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Re: Coolant sensor
« Reply #31 on: August 27, 2010, 22:11:57 PM »
well, changed mine yesterday and bloody hell what a difference!!! better performance, much smoother running engine all round and sounds better too i think. for a couple of quid, this is the best thing i've done to the car in a year of ownership
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Offline Gav

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Re: Coolant sensor
« Reply #32 on: August 27, 2010, 22:12:44 PM »
Even better than turning the interior light on with the doors shut? :P
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Offline angus346

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Re: Coolant sensor
« Reply #33 on: August 27, 2010, 22:23:55 PM »
Quote from: CaptainChaos on August 27, 2010, 22:12:44 PM
Even better than turning the interior light on with the doors shut? :P
yes i have to say, we have a new champion ;D
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Offline SpecialEdition

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Re: Coolant sensor
« Reply #34 on: August 27, 2010, 22:33:44 PM »
Ordered mine now. Lets see what difference it makes to the 185k c20ne lol, bet it is big, next up ultra sonic cleaned injectors
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Offline MrCrusher

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Re: Coolant sensor
« Reply #35 on: August 29, 2010, 00:10:53 AM »
Now, I'm sure everyone waiting for it but is afraid to ask- so I will.

Can we have a step by step guide to removal and refitting for both the 16v and the V6 with pictures please? Including CTS location, removal and refitting tips and part numbers if poss. All in one nice easy to understand post.

Sound like a pretty important maintenance procedure too me.
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Offline Gav

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Re: Coolant sensor
« Reply #36 on: August 29, 2010, 10:19:39 AM »
Mine will be getting another service in the near future so I can do a guide for CTS, plugs, leads etc with part numbers including inlet manifold gasket.

By the time I've done it though it will have already been done :P
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Offline tommygards

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Re: Coolant sensor
« Reply #37 on: August 29, 2010, 11:30:37 AM »
im doing mine today, will happily make a thread for the c20let, is in the same location as c20xe so can be used for both.
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Offline MrCrusher

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Re: Coolant sensor
« Reply #38 on: September 06, 2010, 01:48:24 AM »
Changed the CTS on my V6 , piece of the proverbial p1ss.

19mm (or 3/4") socket or open ended spanner was all that was required.

Unplug cable. Unscrew CTS. I lost about a thimbleful of coolant. Screw in new CTS. Tighten. Job done. 2 minutes to do at most.

I used a little, (very little) gasket compond on the thread of the CTS as a precaution.

I got the sensor from here, very good seller: http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=370164125114

For the V6, the Vx part number is apparently: 90510183
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