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Coolant Temperature Sensor Removal


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#1 kommander

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Posted 19 March 2014 - 01:58 PM

Can anyone advise if this can be removed from below the car.

 

Trying to avoid removing inlet manifold.

 

Also, what socket size is required?

 

Thanks

 



#2 RedRuby

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Posted 19 March 2014 - 02:45 PM

I have heard of this being attempted, you will need a deep socket to reach over the wiring socket to locate onto the nut flange.

I am going over to my garage shortly were I have a spare temp sensor so will measure up to see what is required.

#3 kommander

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Posted 19 March 2014 - 02:47 PM

thanks



#4 RedRuby

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Posted 19 March 2014 - 05:10 PM

If it can be done from underneath the following will be required clamp off both coolant hoses to the inlet manifold to minimise water loss, or partially drain system. Remove multi plug from coolant sensor the socket you will need is a 3/4inch/19mm deep socket around 1.5/8 or 35mm to go over the multi plug connector and onto the sensor nut. I would think that you would need to connect a universal joint to the socket and then a couple of extension bars. Good luck, fiddly but probably doable after all similar principle to the exhaust manifold nuts.

#5 kommander

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Posted 19 March 2014 - 05:26 PM

Thanks 



#6 kommander

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Posted 21 March 2014 - 07:55 PM

Successfully replaced sensor.

 

Used a 3/4" deep socket with long extension bar, with car on a ramp.



#7 RedRuby

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Posted 21 March 2014 - 08:31 PM

Great, I'm pleased that you managed and that you have now confirmed that the theory works.

#8 bangermadness08

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Posted 28 March 2014 - 12:38 AM

how long roughly was the job done have the same problem



#9 kommander

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Posted 11 September 2015 - 11:49 AM

Job took about 15mins



#10 FlyingScot

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Posted 11 September 2015 - 04:07 PM

I think he might have done it by now..... :lol: :D

FS

#11 hungdynasty

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Posted 12 September 2015 - 08:55 AM

Successfully replaced sensor.

 

Used a 3/4" deep socket with long extension bar, with car on a ramp.

Is there enough room for our hand to plug out the connector wire from underneath the car?



#12 Alpenflitzer

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Posted 12 September 2015 - 02:58 PM

I am not a friend of doing so. I am taking off the inlet manifold for this. Advantages: check all around the manifold, cleaned it, painted it and used new seals. it is easier to check the cables and connections.

The sensor was prepared with high temperature ceramic grease so that next time it nannot corrode and works easier to get it off.


Edited by Alpenflitzer, 12 September 2015 - 02:59 PM.





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