Independent thermo control on EF - neccesary? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 12 (permalink) Old 08-10-04, 04:30 AM Thread Starter
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Independent thermo control on EF - neccesary?

A mate of mine has put in a control switch on his EL so he can turn the thermo fans on and off whenever he wants to, and i'm starting to think this may be a good idea.
My EF usually runs hotter than his EL, but its never overheated or gotten 'too' high, however i like the idea of being able to keep things nice and cool without having to turn the A/C on (i.e. after driving a lot on a cold night - engine is hot but you dont wanna freeze just to cool it down).

Im the first to admit i'm still pretty hazy on the workings of the EF's aircon/thermo system, so whats the general opinion? Is this a mod worth doing before summer gets here, or is it largely not needed?


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post #2 of 12 (permalink) Old 08-10-04, 04:32 AM
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Re: Independent thermo control on EF - neccesary?

turn the aircon on and put it to hot...?

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post #3 of 12 (permalink) Old 08-10-04, 04:36 AM Thread Starter
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Re: Independent thermo control on EF - neccesary?

John,

ive been doing that lately but im getting tired of it.

I guess i should explain a little better - it's not running hot or doing anything unusual, ive been thinking about doing this for a while simply because i like to have a lot of control over how the car works (and cos i like adding new gadgets ot it ).
As far as i am aware, the thermos are engaged when the aircon is on its highest level, or when the engine determines it's getting too hot and turns them on by itself. Is that the only time they're on?

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post #4 of 12 (permalink) Old 08-10-04, 06:49 AM
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Re: Independent thermo control on EF - neccesary?

mabey change the thermostat

Ive been described as a vault of usless random knowledge.

Ill take it as a complement i think.............
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post #5 of 12 (permalink) Old 08-10-04, 05:34 PM
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Re: Independent thermo control on EF - neccesary?

Quote:
Originally Posted by Walkinshaw
mabey change the thermostat
That's what I was going to suggest...


If you're really worried about you're car running too hot, just put a colder running thermostat into it.


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post #6 of 12 (permalink) Old 08-10-04, 06:22 PM
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Re: Independent thermo control on EF - neccesary?

It's really unneccasary, the ECU knows when the engine needs extra cooling, and by running the engine any cooler may lose power.

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post #7 of 12 (permalink) Old 08-10-04, 07:16 PM
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Re: Independent thermo control on EF - neccesary?

.........and increase wear.
If the ECT sensor is within spec, then the fans should come on at the programmed temp without fail. If anything, replace the fan relays and ECT sensor first.
Also dont judge temp by the gauge, it is not an accurate readng of engine temp, use a in radiator thermometer or laser thermometer on the head.

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post #8 of 12 (permalink) Old 08-10-04, 07:49 PM Thread Starter
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Re: Independent thermo control on EF - neccesary?

guys,

it's NOT running hot. There is no problem. I just thought this might be a worthwhile mod in order to stop a problem from happening later on!

If i can be bothered working out the wiring i'll give it a go, if not i wont bother.

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post #9 of 12 (permalink) Old 08-10-04, 08:41 PM
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Re: Independent thermo control on EF - neccesary?

If it's not running hot, then why touch it.
There won't be a problem later on if everything is working as it should. The standard system works extremely well, if you do have a problem, it is likely something else.

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post #10 of 12 (permalink) Old 08-11-04, 02:39 AM
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Re: Independent thermo control on EF - neccesary?

If it's not running hot why cause extra wear by running it cold? Not to mention burn extra fuel.
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