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1991 Loyale Running To Cool?


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With a brand new radiator, hoses, and a brand new OEM thermostat my EA82 runs SLIGHTLY warmer than that on even the hottest of days. This time of year it's about where yours is. I would say it's probably the gauge. My EA82T runs right around the same temp as well even with a single core radiator and I didn't even bother replacing the thermostat.

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Maybe try occluding some of the radiator with a piece of cardboard? Start with 1/3 of it covered...then reduce if you want it cooler. That's why you see semi trucks with covers over their radiators... it reduces airflow and keeps the engines up in the prime operating temp range.

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That's not "normal" for a temperature gauge in these cars. Every one I've owned sits at about a third.

 

Verify it with an aftermarket gauge. The fact it rose up to a third then dropped down is a good sign you have an air pocket in your cooling system. Make sure to bleed all the air out.

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Probably haqve a 170 or 180 degree thermostat installed. Get a 190 degree t-stat from the dealer.

 

 

 

 

Another tip, for winter heat, in the car:

 

Pull open the glovebox, twist it abit and it will open all the way, past the stops.

 

Look behind it, you should find a skinny black tube. It connects to a rubber tube, which is connected to the fresh air intake.

 

If you disconnect that tube, and plug the end with a cap, you will have "recirculation" of cabin air for you're blower.

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Probably haqve a 170 or 180 degree thermostat installed.

Get a 190 degree t-stat from the dealer.

+10 on that, those 15 degrees make a big difference.

 

If you disconnect that tube, and plug the end with a cap,

you will have "recirculation" of cabin air for you're blower.

The "AC max" postion also does this. (you may expierence

a large amount of interior condensation in this "mode")

 

I have an easy way to control the AC compressor

when using this position (or any position)

if you are interested.

 

The entire AC system is controlled by a microswitch

behind the center console,

wiring a switch to by pass it is easy.

 

(I also plug the under the front seats output vents with

aluminum foil

This keeps

keep the cockpit warmer where I is)

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The "AC max" postion also does this. (you may expierence

a large amount of interior condensation in this "mode")

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hmmm.... I'm not sure that's true.

 

At any rate though, that doesn't help for the most needed, HEAT and DEFROST positions needed for winter driving. Plus it requires some way of disabling the compressor.

 

It's alot easier to just put a .99 cent cap on the vac line. I never had problems with condensation in 6 years of wisconsin winter driving.

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check your FSM on AC MAX

 

for me...

must be my winters or my heavy breathing ;^)

 

I am sure you know Defrost runs the AC to

dehumidify the air.

 

 

Here is the fix that allows you to use AC in any position

and only the positions you want.

 

I like AC in Bi-Level, cool feet in the summer is neat!

Add a simple SPST switch inplace of the micro switch.

I added a rocker switch in the blank beside the

blower speed knob.

acswitch.jpg

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That looks normal compared to my 91 loyale. My 88 GL however is normal 1/8" from Hot.

 

Check it with an accurate gauge. Infrared no-touch thermometers work well. No real way to be sure otherwise.

 

Since it's been cold out, my 88 has been running around 160*, rather than the 190* I measured the rest of the year. I'll probably take the mechanical fan out today before it snows again.

 

-Dave

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