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RED21

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Postby RED21 » Mon Nov 21, 2011 11:47 pm

R25t item is 7700267682 appox £32.
I have an idea about possible alternative items but I will have to do some spec digging regards the resistance values for a given temp.
The only thing I don't know is the actual thread size so could some one let me know??

ps: engine numbers also.
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PaulC1959

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Postby PaulC1959 » Tue Nov 22, 2011 12:13 am

RED21 wrote:R25t item is 7700267682 appox £32.
I have an idea about possible alternative items but I will have to do some spec digging regards the resistance values for a given temp.
The only thing I don't know is the actual thread size so could some one let me know??

ps: engine numbers also.


Hi Red

Thanks for this, I will check with Autocraft.

Paul.
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Postby andyh877 » Tue Nov 22, 2011 7:08 am

RED21 wrote:R25t item is 7700267682 appox £32.
I have an idea about possible alternative items but I will have to do some spec digging regards the resistance values for a given temp.
The only thing I don't know is the actual thread size so could some one let me know??

ps: engine numbers also.


it might be still on the system in the uk but its finished in france.... no more to be supplied..... so usual things will happen..... order it and nothing will arrive, possibly find a vdo unit that will physically fit and then adjust the voltage to the required with a resistor..... john c is the man for this one.....
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Postby clee » Tue Nov 22, 2011 8:30 am

M18 x 1.5 .

Z7U
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Postby andyh877 » Tue Nov 22, 2011 8:44 am

clee wrote:M18 x 1.5 .

Z7U


try these guys..... they also do adapters so you may be able to find a sensor in a different size and use an adapter to make it fit......

http://www.etbinstruments.com/Sensors_ancillaries.htm
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Postby coopercobra » Tue Nov 22, 2011 6:05 pm

Maybe also have a look here -

http://www.efi-parts.co.uk/index.php?categoryID=82

If you can get the resistance range (or emulate the original with some resistors) to match all you need is an M18 adaptor....

Andy.
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Postby PaulC1959 » Tue Nov 22, 2011 7:04 pm

We may have fluked onto a replacement part but it is in the USA!! Good old Nascar!! :wink: :wink:

Gavin found it more by luck than judgement he says and it is in his opinion the one as it looks the same, it is for a GTA, but does not have the part number, but then neither does anything else on that site refer to manufacturers part numbers. It is relatively cheap so I will order one and if it is successful I will ensure a link is posted to the part/website for future use or reference.


Thanks for all of your efforts thus far, top men you all are. :D :D

Regards


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Postby andy001 » Tue Nov 22, 2011 7:18 pm

i hope it is the right one for you paul, but check it its for a AMC GTA because that's the us renault 9. fingers crossed.
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Postby PaulC1959 » Tue Nov 22, 2011 7:55 pm

andy001 wrote:i hope it is the right one for you paul, but check it its for a AMC GTA because that's the us renault 9. fingers crossed.


Will do thanks for the heads up.
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Postby PaulC1959 » Thu Feb 02, 2012 9:09 pm

Hi Guys

Great news, Le Mans 03 she has been repaired. :lol: :lol: :wink: :wink:

We found a sensor from a four cylinder R25 that has the same resistance readings, is of the PTC, (positive thermal co-efficient), type and had a thread size of 18mm x 1.5 thread pitch. See the link below. Beware that although the price is stated as £15.18, I also had to pay a small order charge and postage taking my overall outlay to £31.30. Renault Part number for this sensor is 7700730022

http://www.renaultcarpartsuk.co.uk/p252 ... _info.html

When it arrived it was clearly the wrong part sent as the thread size on the sensor received was 12mm x 1.5, so I contacted the supplier and complained about their error. They were most apologetic and took my number promising to call me back within a few days after they had spoken to Hella the sensor manufacturer. Unfortunately I had called on the 23/12/11 so the company and Hella closed down for Christmas and I did not hear back until after the New Year. The reply when it came was it is the correct sensor for the part number but Hella have provided the wrong description and apologise. :twisted: :twisted:

I now had to find a reducing bush in 18mm x 1.5, male x 12mm x 1.5, female. I couldn’t find any on the internet that I felt confident would be what I needed or that the company would sell just one unit. In the end I bought a Lambda Probe Blanking Plug as they are 18mm x 1.5 for £4.75 and took it in to work to get it drilled and tapped to make it into the reducer. Once it had been drilled and tapped the sensor was screwed into the reducer and thankfully the tip of the sensor just poked out far enough to be in the water flow when it was all installed into the thermostat housing. The new sensor has a different connection for the wires so this needed to be adapted to suit.

I received the phone call today from Gavin at Autocraft to say the sensor has been installed, the engine set up and it is all running very smoothly, therefore I will collect it tomorrow after work. :lol: 8) :wink: 8) :lol: 8) :wink:

Some photos to help illustrate my ramblings.

New Sensor
Image

Lambda Probe Blanking Plug
Image

Plug drilled and tapped into a reducer
Image

Sensor and Reducer together
Image
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Postby PaulC1959 » Thu Feb 02, 2012 9:12 pm

andy001 wrote:i hope it is the right one for you paul, but check it its for a AMC GTA because that's the us renault 9. fingers crossed.


Hi Andy

You were right the first sensor that came from the States was no good. It was from the car you suggested and was an odd size for a Renault 3/8"

:?
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Postby JohnC » Thu Feb 02, 2012 10:36 pm

PaulC1959 wrote:......and thankfully the tip of the sensor just poked out far enough to be in the water flow when it was all installed into the thermostat housing.

Image


Nice bit of thinking and work there Paul, but I think that I would have had the nut section of the adaptor turned off up to the flange which would have let the sensor protude further into the thermostat housing, but if it works... so much for my pickey point. :wink:
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Postby PaulC1959 » Thu Feb 02, 2012 10:45 pm

JohnC wrote:
PaulC1959 wrote:......and thankfully the tip of the sensor just poked out far enough to be in the water flow when it was all installed into the thermostat housing.

Image


Nice bit of thinking and work there Paul, but I think that I would have had the nut section of the adaptor turned off up to the flange which would have let the sensor protude further into the thermostat housing, but if it works... so much for my pickey point. :wink:


Hi John

That would have been a good idea, I see where you are coming from :wink: but I didn't even consider that :shock:
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Postby andy001 » Thu Feb 02, 2012 11:16 pm

PaulC1959 wrote:
andy001 wrote:i hope it is the right one for you paul, but check it its for a AMC GTA because that's the us renault 9. fingers crossed.


Hi Andy

You were right the first sensor that came from the States was no good. It was from the car you suggested and was an odd size for a Renault 3/8"

:?


sorry that didn't work out but you must be happy its running well now :D
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Postby clee » Wed Mar 20, 2013 11:59 am

News Flash !!

Was too slow getting my act together on this and the Germans have beat me to it 8)
061033

http://www.simon-auto-shop.com/shop/cgi ... ieterID=16
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