Cooling replacment items

Jason94sport · April 6, 2006

What is the best recomended Thermostat(stant?) & fan clutch to repalce the stock stuff? And where online can I get them for a good price. The auto stores be me have crap.

Also does a 94 take a 198 or 195 degree thermostat?
Can I run a 180 degree or cooler? I see no temps below 45. And mostly 70+ all year.

Thanks

PTBishop · April 6, 2006

spend the money and get a motorcraft fan clutch, if you want it to last get OE equipment parts...you may pay more, but when it comes down to quality get the best...and there really isn't anything wrong with most parts stores, you just have to find the right people there and buy there premium line of parts

410Fortune · April 6, 2006

PTRbishop your sig is a bit long.

What makes you think there is something wrong with your OEM clutch?
is the nylon fan cracked?

You use a 195 stat in your engine, a 180 can actually cause problems by not allowing the computer to switch to closed loop.

Any auto parts store should have your Stant 195 thermostat and O ring in stock.
Carquest, Napa, or Ford can get you a new fan clutch. You will also need the fan clutch wrench tools. Now is a great time to flush the entire cooling system, replace your belt and check the pullies and tensioner.
If the nylon portion of the fan has cracks developing around the hub you should consider replacing it they are like $35 for the 11 blade Ford replacement.

aldive · April 6, 2006

Why not consider going with an electric fan instead?

Jason94sport · April 6, 2006

Not my Explorer. A friends. Cooling system is shot. Needs new everything. I have it this weekend to work on, then it goes back 200 miles to Orlando. The parts places by me don't stock the Stant TS. It's special order only.
I have the fan clutch tools also.

So Stant TS & Motorcraft clutch would be the best?

410Fortune · April 6, 2006

yes but I rarely see a clutch that needs replacing.

If you are going to order a thermostat you could get a Robert Shaw 195, or if you go Stant get the Super.

I cant believe they dont stock this, but then in Colorado every other car is a Explorer....

PTBishop · April 6, 2006

i have seen quite a few of those fan clutches go out...but i also work in an automotive repair facility in Washington, where we get the most extreme weather changes...my truck use to overheat. i replaced the fan clutch and it runs at about R on normal now...but mine also wasn't putting out any air at all.

oh, is this sig better?

msmith65 · April 6, 2006

aldive said:
Why not consider going with an electric fan instead?

'Cause Ford's engineering brainpower chose a belt-driven fan for this vehicle?

93TwotoneXLT · April 6, 2006

I went to advance auto parts to buy the fan, mine had the cracking around the base of the clutch. I bought the premium fan they had after looking at it compared to the stock fan. Frankly, the advance fan(cannot remember the name brand) was superior is quality, plus the blades had a better angle to the ends to suck in more air. The clutch was bad too so I purchased a premium unit from napa, as I have had two other Ford's with bad clutches and the napa units have always performed perfectly. The T-stat was replaced too along with the temp sender when I did all this, and these came from autozone, mainly because it was convienant. They had a choice between a 195 or 198 so I went with the 198. No real reason for this other than the engine might be a little more effecient with a slightly higher running temp, just thought I would try it out(I thought that I could always put a 195 back in if it presented a prob) and the needle stays right between the "O" and "R" in NORMAL. If I am idling the truck for 10 minutes or so with the A/C on the gauge will slowly creep up between the "R" and "M", as soon as I start driving the fan clutch is engaged for a bit and the gauge goes right back down. All the parts, which include the clutch, fan, temp sender, and thermostat ran about $110. Hope this helps.

410Fortune · April 6, 2006

nice post

spindlecone · April 6, 2006

410Fortune said:
You use a 195 stat in your engine, a 180 can actually cause problems by not allowing the computer to switch to closed loop.

410
Correct me if I am wrong, But I don't believe the T-Stat has anything to do with going into closed loop.
Is the 02 sensors that determine that I believe,just curious

93TwotoneXLT · April 6, 2006

410 Fortune, Thanks

aldive · April 6, 2006

msmith65 said:
'Cause Ford's engineering brainpower chose a belt-driven fan for this vehicle?

What has that to do with going electric?

410Fortune · April 6, 2006

Spindle, I was under the impression if the min temp was too low and the cooling system never reached above say 195 or 200 the computer would not switch??

perhaps this changed with OBD2?

spindlecone · April 6, 2006

410Fortune said:
Spindle, I was under the impression if the min temp was too low and the cooling system never reached above say 195 or 200 the computer would not switch??

perhaps this changed with OBD2?

The diff may be with the newer heated sensors, I believe they allow the engine to go into clsd loop faster.
On a cold start, I am in open loop for maybe 10 secs, than it go's into clsd loop
Agree that a 180 deg T-Stat is not a good thing on PCM engines, but not sure for what reasons.

410Fortune · April 6, 2006

my 88 had a heated 02 OEM, they are not that new, even EEC-IV used them
My information may be wrong, I am going on why I was told not to run a 180 thermo back in the day apparently they were thinking the coolant temp sensor had something to do with closed loop.
It doesnt matter I ran a 180 thermo for years and still the 2.9L ran at 210 degrees, same with the 4.0L.....with my 5.0L I have a 195 and it hits 210 on my gage before the thermo opens and it drops to 200 pretty much constant....

PTBishop · April 6, 2006

spindlecone said:
The diff may be with the newer heated sensors, I believe they allow the engine to go into clsd loop faster.
On a cold start, I am in open loop for maybe 10 secs, than it go's into clsd loop
Agree that a 180 deg T-Stat is not a good thing on PCM engines, but not sure for what reasons.

running an engine too cold is just as bad as running it too hot as my auto instructor told me when i took my t-stat out of my mustang. an engine that is too cold will cause a lot of excessive wear, engines are designed to run at a certain tempature. such as, and don't quote me here. the explorer calling for a 195 t-stat. that is the temp that the 4.0 is designed to run at. running it too cold will cause excessive damage to any engine. now 180 is not that much colder, but being is CO, i know it gets cold there during the winter.

msmith65 · April 7, 2006

aldive said:
What has that to do with going electric?

Ford can put electric fans on cars much cheaper than we can. If they'd thought it was an economical, effective way of cooling that model Explorer, that's what they would have chosen.

aldive · April 7, 2006

msmith65 said:
Ford can put electric fans on cars much cheaper than we can. If they'd thought it was an economical, effective way of cooling that model Explorer, that's what they would have chosen.

Oh, does that same logic apply to synthetic oil/ATF/differential oil?

Jason94sport · April 7, 2006

It's also complex for a lot of people. Most drivers are happy with the way it is, & when it comes time to replace things they want it to be easy.

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