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Old 03-22-2008, 08:58 PM   #1
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How Hot?

Just bought a 2002 Jeep Sahara. 31,100 miles. Auto, I believe it's pretty much stock from the factory. How hot should this be running? After a 5 mile drive to work it's running 210 degrees, is that to hot? My buick ran about 180-194 degrees. Perhaps it's not fair to compare it to that car.

Today I opened the radiator cap and was abit surprised to find the anti-freeze a burnt orange color, guess I was expecting green.

Can you guys help a newbie?

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Old 03-22-2008, 09:01 PM   #2
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It should run anywhere from just below to just a smig above 210. Mine usually runs a needle width above in summer, needle width below when its COLD in winter, and 210 during spring/fall

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Old 03-22-2008, 09:22 PM   #3
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Could be rust in the coolant, but I have seen some coolant that IS colored orange. If you just bought it might be worth a flush and refill to be sure with summer coming
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Old 03-22-2008, 09:27 PM   #4
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Quote:
Originally Posted by Smeghead View Post
Could be rust in the coolant, but I have seen some coolant that IS colored orange. If you just bought it might be worth a flush and refill to be sure with summer coming
Smeg,

I think I will flush and refill, won't hurt a thing and I'll use a good green anti-freeze. I guess I'm just familiar with that color...LOL

Thanks!
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Old 03-23-2008, 03:31 AM   #5
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the coolant is supposed to be orange
if you don't refill the coolant with the correct coolant it will ruin your water pump

I think its called dex-cool stuff
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Old 03-23-2008, 07:12 AM   #6
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No! Our Jeeps are NOT dex-Cool I don't think, but factory Jeep coolant is a redish orange color. The dealer probably flushed the coolant before you bought it, or the previous owner had it serviced by the dealer. Check your owners manual to be sure, but i am almost possitive Jeep does NOT use dex-cool, and the factory coolant is orange. If you put dex-cool in a system thats not designed for it, and add to regular coolant, BAD things will happen
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Old 03-23-2008, 08:24 AM   #7
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Which ever way you go you will need to flush the old coolant totally out of the system. The Prestone back flush kit where you put the T fitting in the heater return line will get out ALL the coolant. You want no color in there. Mixing the dexcool and regular EG will create a mix similar to jam or grease. See what your owners manual says is supposed to be in there and use that. Remember to flush the overflow bottle too and make sure you heat is turned on high to flush the heater core. Whenever I do this I replace both the Thermostat and pressure cap. If you decide to flush it use the 7 hour prestone flush, it's not as brutal on the cooling system as the 15 minute wonder flushes.
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Old 03-23-2008, 09:20 AM   #8
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PLEASE READ
check your manual before
changing your fluid, Most late model Mopars require
HOAT COOLANT
be sure not to mix with other
coolants
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Old 03-24-2008, 08:59 PM   #9
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Thanks for all the input!

I've only joined this community a few days ago and I have learned ALOT already from you guys.

I'm not very mechanically inclined, and I don't know alot about Jeeps but you have sure helped me already. To prove my point, I didn't even know anti-freeze came in any other color but green.

Now I'll need to learn how to flush my Jeep's radiator. Don't laugh, I'm sure at sometime you were at the point I'm at now....LOL

Thanks again!!!
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The impersonal hand of government can never replace the helping hand of a neighbor. -Hubert H. Humphrey
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Old 03-24-2008, 10:06 PM   #10
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Welcome!

Hey, Mike, we were ALL there at one time; welcome to the "club!" As to the running temperature, all three Jeeps I've had ran right at 210. When I pull my travel trailer it will run slightly higher but it's not a problem. The Jeeper that mentioned the Hoat Coolant is right on track. It's funny colored but it's the right stuff. If my memory serves me right I think I heard it was designed as an "environmentally friendly" product.

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