mikeb
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| posted on 21/7/08 at 09:33 AM |
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Temp Sender and Cooling Circuit
I have a mk2 polo radiator currently without a temp sender.
Also a set of 2nd hand cooling pipes from a zetec install (westy). This include a lower rigid pipe with a ford temp sender in it (the seller described
this as a fan switch).
This sender fits in the radiator
Question is.
Can I put the sender in the rad and run both the temp gauge and the fan circuit?
Or is the part I have likely to be a simple temp switch rather than a sender?
Mike
[Edited on 21/7/08 by mikeb]
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stevebubs
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| posted on 21/7/08 at 09:40 AM |
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likely to be a switch not a sender...
Temperature sender really wants to be as close to the head as possible - I used the lower sender on a silvertop thermostat housing for this on my
blacktop.
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whitestu
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| posted on 21/7/08 at 09:41 AM |
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Normally the fan switch is just a switch. You'll need a seperate sender for a temp gauge.
My fan switch is in a Polo rad and works fine.
stu
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mikeb
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| posted on 21/7/08 at 09:58 AM |
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Thanks.
I bough a 2.0lt zetec pretty complete with wiring inlet exhaust etc.
Is ther likely to be a sender on the engine somewhere, I had previously assumed they were is the rad not in the engine.
There is something at the back left of the engine in the head?
Mike
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saigonij
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| posted on 21/7/08 at 09:59 AM |
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are you using the zetec thermostat housing ? if so, the temp sender is below the 32mm tak off pip.
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mikeb
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| posted on 21/7/08 at 10:33 AM |
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Not sure.
Is the thermostat housing the black plastic housing on the back of the engine with several pipes coming out of it (near the coil pack).
I hadn't noticed a temp sender on it?
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mikeb
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| posted on 21/7/08 at 11:03 AM |
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Ok done a bit of looking on the net.
My engine hasn't got the top sender in the thermostat housing. Is this the one I need to run the temp gauge, or is there another one
underneath?
thanks
Mike
 
Rescued attachment zetec thermo housing.jpg
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mikeb
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| posted on 21/7/08 at 11:11 AM |
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Answered my own questions.
I think there is another one underneath.
So the only question that remains is what do I use to block off the upper temp sender hole, it seems a little excessive to buy a sender just to block
of the whole?
Thanks
Mike
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RazMan
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| posted on 21/7/08 at 11:44 AM |
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How about an old sender from the scrappie? 
Cheers,
Raz
When thinking outside the box doesn't work any more, it's time to build a new box
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whitestu
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| posted on 21/7/08 at 11:57 AM |
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quote:
I think there is another one underneath.
Depends on the engine - the Focus 1.8 doesn't have any senders or sensors in the thermostat housing.
I drilled and tapped mine at the top to put the temp sensor for my Acewell in.
Stu
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bob
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| posted on 21/7/08 at 12:20 PM |
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Hello mike
I might have an old sender in my box of bits you can plug the top sender hole with, i'll pop out in the garage later and have a look.
If so i'll mail it to you if you want it.
I think the thread size for the temp sender under the 32mm outlet pipe is 1/8 NPT but if i'm wrong i'm sure someone will be along to
correct me, you will have to put a ring round the new temp sender to earth it as i found out after fitting 
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bob
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| posted on 21/7/08 at 12:45 PM |
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Yup found one, yours FOC if you want it.
Just u2u me your address and i'll pop it in a jiffy bag and post it. 
 
Rescued attachment part1008.JPG
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