1998 Jeep Cherokee XJ Cheap Cooling Mods

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Like most aging XJs, mine is running hot at trail speeds. For some reason the auxiliary electric fan isn't coming on and the mechanical fan shroud is MIA. Im going to try to improve the cooling by eliminating the mechanical fan and replacing it with an electric fan and then hook both fans up to run constantly in the run position of the ignition switch. #jeeplife #shadetreemachanic #wrencheveryday
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23 июл 2024

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Комментарии : 80

@redcanyonoutdoorquest6220 3 года назад

That missing fan shroud makes a huge difference

@georgecurtis6463 3 года назад

I bought a 96 Cherokee new. During the first year I was on a fire road that was a bit steep but nothing to think about but it went on for awhile. Noticed the same symptoms you described. Outside temp was around 86 give or take. So I turned the ac off and opened the heater. This was adequate enough to get to the top. I let it idle with the hood up for a bit then that was it. Going home was no biggee. But I knew I had to do something but due to work and other things I never got around to it. Other offroad ventures gave me no problems. Unfortunately due to an accident, I had to sell it to my bill. I loved that jeep, maybe to much. Been 20 years and I still miss it.

@dzlfreek 3 года назад

I had a 96 new as well, but never had the opportunity to really off road it. The cooling systems were always the weak link on these IMO, especially as they age. The rads are just too small.

@MaquinasDePalomitas 2 года назад

Greatest entrance ever

@justinehlers942 4 года назад

If you have a properly working clutch fan and shroud it will pull more air than most electric fans. I run stock clutch fan on my 97 Cherokee with 33's and stock electric fan that kicks on at 210. Mind you it has 256k miles and never get past 215 on heavy trail riding. Leading people to think clutch fans are not enough is a false statement. If you have a properly working cooling system and a properly working clutch fan you should not have any issues.

@mikecarr1484 3 года назад

And the mechanical original one with a shroud works best. But it eats horsepower and lugs the engine. Only reason I went electric. Mine never goes past 210. 210. That's it. Anymore and I am not happy. So I keep coolant fresh. Radiator clean. Fans working and good oil. I hear people running up to 240 .. dumb dumb dumb .. stupid move transmission likes 200 degrees .. so try to keep that temp. I use a 185 degree thermostat. As opposed to the 192 degree it comes with stock.. it helps too.

@mikecarr1484 3 года назад

Go buy a 185 degree thermostat.. it opens up the radiator earlier. Stock fan with shroud and ac fan also has to be working . It kicks in at 220 so if you do get hot it helps. Or it also kicks in once you turn on defrost or ac.

@mikecarr1484 3 года назад

Owned 4 jeeps all 1990s. Still own 2 .. each has over 220.000 miles on it.

@kevinstiles1752 2 года назад

I've got a 97 zj that I was having issues with. I replaced the clutch fan with a flex a lite fan that moves 3400 cfm. Has not been a issue since.

@Nothingtoya 3 года назад

The fan isn't on while you're running the ac, its building up too much pressure in the ac system and blowing it off. You have to have the fans running when your ac is on

@gristlevonraben 4 года назад

Very cool vid

@jeffweller4878 Год назад

Use a right hand drive 96 as my rural mail vehicle. Holy know the pain. When the boxes are close together I can go half hr before getting up to 45. Defrost blasting when it's in the 90s makes a long day

@blaing3354 4 года назад

Interesting. Thought about the electric fan game on my p30 motorhome years back, ended up upgrading the fan clutch. Sometimes simple and stock does it.

@Chris-sx3he 2 года назад

I put 2 electric fans on my P30 454 motorhome and it works great plus gained some noticeable horsepower. Quieter too.

@codemang87 11 месяцев назад

@@Chris-sx3he How is it quieter? In my experience, e-fans are loud asf when compared to mechanical fan.

@frankrenteria4370 3 года назад

The ac condenser was causing my Jeep to over heat. I ripped it off and it ran cooler. Ac condenser gets full of bugs and dirt so restricts airflow.

@scottgrigsby4210 3 года назад

I agree, my 2000 has AC but the condenser is missing, even here in AZ where it just was 116 I run 204 down the highway yes the condenser is restricting air flow

@kevinstiles1752 2 года назад

@@scottgrigsby4210 it will add heat to the system when the a/c is running

@martinbuilt 4 года назад

The A/C fan should come on immediately when the A?C is on. The pressure is most likely too high because it can not cool the freon. Check the switch on the T-stat housing.

@codemang87 11 месяцев назад

XJ e-fan doesn't come on until temp reaches 218° afaik. This guy really should have just gotten a new shroud. The mechanical fan should work just fine for normal driving even in 90°+ F weather.

@gallomane401 3 года назад

AC compressor need more cool air flowing on it. Get that fan shroud it helps. Had the same problem.

@meadowbyastream 2 года назад

THIS is valuable video. For those who can't just throw money at a problem, THIS guy actually owns a Jeep lol. From your WTF moment, to "well, worked itself out, so moving on..." you're pretty legit. Thanks for the info! '98 with the 5.2 (mabye... that's a story..) just now looking into options for an E-fan swap from the mechanical, since at least, the clutch isn't adjustable. Mine's a ZJ, but the details you share aren't really specific to the model. Curious whether 2-3 smaller fans would be better vs a single maxed size against the radiator total size..

@gallomane401 3 года назад

Upgrade the fan clutch from a wj or zj and get that fan shroud, plus keep the stock thermostat.

@scottgrigsby4210 3 года назад

the aux fan will come on when the engine temp is about 118 degrees and also the high pressure switch on the AC system has 2 functions one function is to bring the aux fan on when enough head pressure is build.

@ericgunnyporter8964 4 года назад

Hey now thats a great idea I have two fans that I picked up at U Pull it in brandywine Md. . Now I'm going to attempt to put a regulator fuse so I can have it run about 3 to 5 minutes after turning off the engine. Think that could be possible . ??

@cjhawk67 3 года назад

230f is within spec for these engines thats totally fine. The efan from the factory doesnt even come on until 221f. Anything below 240f is completely fine my red 96 had 536k miles all original with the original cooling system operating within those temperatures.

@cjhawk67 3 года назад

Also I've spoken to one of the pro king of hammers racers that runs a XJ race jeep Cal and he's told me there is no electric fan setup that moves the kind of CFM that the metal clutch fan with the shroud can move. A real upgrade would be keep the metal clutch fan but replace the clutch with a ZJ one is more aggressive and moves even more air.

@theirishconservative2536 4 года назад

As an technition . I know that the ac is getting too hot and not circulating. It is over pressuring and pushing past the safety valve on the compressor .

@allmomomosthomebus3895 4 года назад

I've never seen an air compressor fart before. Or did it shart? Cool cooling video, Rick.

@dzlfreek 4 года назад

I've never seen it myself

@jamesgraves6567 4 года назад

ive seen it many times im a tech when your high side pressure reaches its limits it will blow the vavle in the back... they all have them....

@justinohare2835 4 года назад

Over pressure release

@scottgrigsby4210 3 года назад

the best way to keep a Cherokee cool is leave it stock, just make sure all components are working properly the engineers knew what they were doing when they designed it

@kevinstiles1752 2 года назад

not when you live in phoenix

@fabguy276 2 года назад

Maybe in Alaska…

@Hoonshop956 2 года назад

Lots of engineers do know what they’re doing but they make mistakes like everyone else maybe it’s not the optimal system especially in a hot environment , if it was then Xj would be known for overheating

@jdssurf 2 года назад

Wrong lol

@jdssurf 2 года назад

It’s well known that the 4.0 wasn’t meant to go in these.

@mikecarr1484 3 года назад

Dude. Amazon has direct fit electric fan replacements.. 50 bucks. They fit inside the radiator cavity and pull air as it is supposed to. Having it zip tied one inch away does nothing. The shrouds help . What you have done will fail and leave you stranded.

@dzlfreek 3 года назад

watch the next vid

@NoMissOutdoors 9 дней назад

My xj runs at 210 always.... thinkin about a zj fan clutch upgrade..... thanks for the vid

@ericmrobinson 4 года назад

I have a 2000 Cherokee and the auxiliary fan doesn't kick on until the engine temp hits 218 degrees regardless whether or not the ac is on.

@dzlfreek 4 года назад

that seems a bit excessive

@ericmrobinson 4 года назад

@@dzlfreek Yeah but it's "as designed". According to the service manual the auxiliary fan doesn't come on until the temp goes over 217 degrees and then shuts back off when it cools back down to 208 degrees. That is in line with what mine is doing.

@Nothingtoya 3 года назад

I wish you could post pictures on here, i ran a new relay and temp switch that powers the electric fan as soon as the ac kicks on and the temp switch is a 180 degree switch but with the way its set up on mine, the fan kick on closer to 190 degrees

@jamescorless8283 2 года назад

Buy an aluminum radiator. I have a 91 cherokee and my rig never overheats since I got one.

@claycoates5056 10 месяцев назад

adding an second electric fan makes ALL the difference even with AC all is good and this is mostly right the XJ was designed for a FOUR Cylinder motor FOUR liter 6 and making High horse power the under hood temperature is very high and COOKS the battery the best things to do for Cooling is to get the trans cooler out of the radiator put one in front use and electric fan and move the battery , out of from under the hood these mods may sound silly but each one works i have done these and Cut the problems of over heating and doubled the life of the battery My battery tray and box is in the floor pan in the back seat passenger side Ty ed down

@allhandson3489 3 года назад

That opener! 😂😂😂 awesome!

@Deadly_DoRight 4 года назад

Instead of putting both on constant which will really delay warm up why not put the A/C fan as constant on and the main on a switch so you can turn it on as needed after reaching operating temp. that way you can turn it on on the trails and off on the highways.

@dzlfreek 4 года назад

thats what i did.....i guess i suck at splainin myself...

@clintonbeason1638 3 года назад

Once you fix your cooling issues maybe think about running a 180 thermostat I run that in my 97 cherokee 4.0 in Arizona and it runs really cool year round

@jorgepachecopedroza4062 3 года назад

Hook me up with the package so i can buy it .... Im from yuma az

@John-oe6pp 3 года назад

would you have choosen another efan(ford taurus fan)for the project instead if you redid this mod? also a part 2 would be cool :)

@dzlfreek 3 года назад

if this was as far as I was going to mod this rig, and I had the budget for it, I would get the biggest radiator I could buy and use 2 of the late model jeep electric fans.

@John-oe6pp 3 года назад

@@dzlfreek :) fan of your content 👍

@dzlfreek 3 года назад

@@John-oe6pp I see what you did there!

@ytelpeloncito5151 4 года назад

ZJ Clutch Fan will pull way more air than another E Fan will be a close clear but it will clear and 4 me it seems to bring more power i also bypassed my heater core at idle i am below 210 on highway i am below 210 I also put in a stock 195 degree t stat and gasket so far I am running smooth next ima do the flowkooler water pump more water pressure going through that block and 20 prevent more capacity in water pump

@andyoch6147 3 года назад

Looks like someone overcharged the AC, causing the engine to overwork.

@nobsatthistime 3 года назад

Brand New Clutch Fan and Shroud along with one New Electric Fan is all that's needed. The Clutch Fan in the Blue Jeep is Junk i can see it spinning for at least 90 sections after you shut off the Jeep and it also needs a Shroud. If your Jeep gets hot enough the Electric Fan you say only runs when the Air Conditioner is on ALSO RUNS WHEN THE JEEP GETS HOT ENOUGH. Electric Fans are not the answer. Antifreeze not water helps cool in the summer and helps with heat in the winter months. Your. Just be glad it's not the Evaporator under the Dash worst Job on an XJ. Tear out the Dash same goes for Heater Core.

@ralphnabozny8494 3 года назад

clean it. inside and out put it back the way it was from the factury

@flex-jsteve540 4 года назад

lol yet another person messing with the stock cooling system that works perfectly fine

@dzlfreek 4 года назад

but it wasn't "working perfectly fine", thats why I was messing with it. If it was "perfectly fine" I would've been messing with something else.

@flex-jsteve540 4 года назад

dzlfreek typical.....it’s 22 years old and it’s not working as it should...almost like it needs new parts or something....you mean to tell me parts don’t last forever? Super weird

@dzlfreek 4 года назад

@@flex-jsteve540 ikr?

@flex-jsteve540 4 года назад

dzlfreek so replace worn out parts and stop messing with what works 100% as it should when taken care of

@dzlfreek 4 года назад

@@flex-jsteve540 i'll do what I want, Steve. Quit being a dick