Thermostat housing - with temp sensor port

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Carboy0
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Re: Thermostat housing - with temp sensor port

#11 Post by Carboy0 » Mon Jan 14, 2019 5:05 pm

Exactly Mike.

Hold that thought! If CW doesn’t come through then I’ll come back to you if that’s OK?
Chris

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Re: Thermostat housing - with temp sensor port

#12 Post by Mike Stevens » Mon Jan 14, 2019 6:01 pm

Sure, no problem. I'll try and get down to the shed and have a look in the next couple of days.

Cheers,
Mike.
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1973 Stag French blue
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Re: Thermostat housing - with temp sensor port

#13 Post by Carboy0 » Sun Jan 20, 2019 2:57 pm

Mike Stevens wrote:
Mon Jan 14, 2019 5:00 pm
I think that would be ideal as it will sense the temperature on the radiator side of the thermostat. Until the thermostat opens you're not really bothered as the engine isn't up to temperature. Once the thermostat has opened, then the temperature either side of the thermostat should be the same. Assuming the thermostat is working OK that is!

When you say 'thermostat housing' I assume you mean the top bit as in your picture? I should have some around too if Chris can't find you one.

Cheers,
Mike.
Hi Mike, it seems that CW couldn’t put his hands on one, so if you can find one then PM me with details and price. I shall be going to Stoneleigh next month, I don’t know whether you are?
Chris

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Andy Thompson
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Re: Thermostat housing - with temp sensor port

#14 Post by Andy Thompson » Tue Jan 22, 2019 7:34 am

Early 2000 Mk1 had the temp sender in the thermostat housing, Later mk1 it was blanked off and the sender in the water pump housing. Mk2 had the different thermo casting with no place to drill and tap.

No idea when they stopped the earliest type
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Re: Thermostat housing - with temp sensor port

#15 Post by Clifford Pope » Tue Jan 22, 2019 8:15 am

Carboy0 wrote:
Mon Jan 14, 2019 3:52 pm
Pinched off another forum.

D9A46FD9-7B67-4910-A6EB-D3B61B582F84.jpeg
I've just been out to look at my spare engine - off a 1964 2000 - and it does have the sensor in the cover, exactly as in this picture. There's a very clear exploded view confirming this in Haynes p 53.
Perhaps it was only on early 2000 engines, but the sensor is definitely after the thermostat.
Perhaps there was an intermediate period when they retained the blank casting but moved the sensor to the block?


Sorry Andy - crossed with your post. :)

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Re: Thermostat housing - with temp sensor port

#16 Post by Mike Stevens » Thu Jan 24, 2019 5:22 pm

Carboy0 wrote:
Sun Jan 20, 2019 2:57 pm

Hi Mike, it seems that CW couldn’t put his hands on one, so if you can find one then PM me with details and price. I shall be going to Stoneleigh next month, I don’t know whether you are?
OK, I'll have a look. However, after Andy's post, it may be that what I may have will not be suitable as most of the bits I have are Mk2!

Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)

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Re: Thermostat housing - with temp sensor port

#17 Post by Carboy0 » Thu Jan 24, 2019 6:56 pm

OK, I’ll keep my fingers crossed.
Chris

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Re: Thermostat housing - with temp sensor port

#18 Post by Mike Stevens » Thu Jan 31, 2019 10:50 am

I'm afraid I've not got down to the shed yet. It's at the bottom of the garden and it is a bit of a trek, especially in this weather.

I haven't forgotten. Honest!

Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)

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Phil T
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Re: Thermostat housing - with temp sensor port

#19 Post by Phil T » Fri Feb 01, 2019 10:41 am

Is it not better to measure the temperature on the engine side?

Say the thermostat fails closed, measuring on the water side would not give any indication of overheating until steam appears, whereas on the engine side the temperature would be monitored throughout.

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Re: Thermostat housing - with temp sensor port

#20 Post by Carboy0 » Fri Feb 01, 2019 10:48 am

Hi Phil,

I’m not looking to measure the engine temperature, the existing temperature sensor does that and is on the engine side of the thermostat. I am after this particular thermostat housing so that I can fit a temperature-switch into it to trigger my electric fan, rather than insert temperature a sensor into the top hose or cut the hose to insert another housing to take a temperature switch.

I did explain in my original post.
Chris

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