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Unread 07-26-2012, 12:09 PM   #1
ThatGuy57
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2003 WJ 
 
Join Date: Jan 2012
Location: Lynchburg, VA
Posts: 67
Engine temp?

Ok I have a 98 cherokee and looking around on here i've learned normal operating temp is 210, now if i'm driving around alot it'll climb some, it never goes past the the next line above 210 it usually doesn't even get to the next line and it does eventually cool, i drive a good bit of stop and go traffic and it's in the 80's here. My question is should i be concerned? It also gets to 210 relatively quickly, is that normal? I've had the coolant flushed, water pump does not seem to be leaking and the fan clutch seemed fine so i'm not sure if i'm over thinking things or what. Any suggestions? Also I rarely run ac but i have the interior fan on alot, i don't know if that helps any or not.

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Unread 07-26-2012, 12:35 PM   #2
djb383
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1998 XJ Cherokee 
 
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Location: The Republic of TEXAS
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Your temps don't seem too far out of line but then 80s is kinda mild ambient temp also. My thinking is, if I want a vehicle to be my reliable daily driver and it is no longer covered under factory warranty, then the complete cooling system requires preventative maintenance/parts replacement at some point in time. A $5 cooling system component that malfunctions due to age/neglect can easily kill a $4000 motor when u least expect it. I think of preventative maintenance occuring at my convenience in my driveway when the parts stores are open......repairs occur on the side of the road when nobody is open.
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Unread 07-26-2012, 01:14 PM   #3
ThatGuy57
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Well 80s was what my phone says, another temp said upper 90s, so i think it's hotter than i originally said, but while driving the engine temp went back to normal and a little below at points so i'm still a little cofused.
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If it ain't broke, it will be by the end of the day.
Past jeep- 98 white cherokee, 3" zone lift, 31x10.50 general grabber at2's, bds steering stabilizer, 15x7 soft 8's with 4" bs~R.I.P
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Unread 07-26-2012, 03:55 PM   #4
djb383
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All new cooling system components may eliminate confusion (and guessing).
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Unread 07-26-2012, 05:00 PM   #5
ThatGuy57
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Yes, very true, just means more money but oh well haha thanks!
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If it ain't broke, it will be by the end of the day.
Past jeep- 98 white cherokee, 3" zone lift, 31x10.50 general grabber at2's, bds steering stabilizer, 15x7 soft 8's with 4" bs~R.I.P
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Unread 07-26-2012, 05:32 PM   #6
djb383
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New cars come with monthly payments, old cars come with monthly maintenance......takes money either way.
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Unread 07-26-2012, 09:39 PM   #7
ThatGuy57
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You have a very valid point there, probably should have figured that.
__________________
If it ain't broke, it will be by the end of the day.
Past jeep- 98 white cherokee, 3" zone lift, 31x10.50 general grabber at2's, bds steering stabilizer, 15x7 soft 8's with 4" bs~R.I.P
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Unread 07-27-2012, 05:41 PM   #8
Bill-Horn
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Join Date: Nov 2011
Location: La Paz, Baja California Sur
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My 89 XJ rarely overheats. After 255,000 miles with the original radiator, she developed corrosion in the radiator filler neck, above the pressure-cap seal face. When she came up to temp and the pressure release opened, coolant would be lost. I cleaned out the filler neck with a Dremel and slathered JB Weld into the little corrosion pits, then carefully "Dremeled" the opening so the radiator cap would go on snug, yet still allow the relief to open.
That was six months ago and we're still not overheating.

I live and drive in Bala, Mexico where it is regularly over 100F. I'm using a 160-degree thermostat. I use a 50-50 antifreeze mixture, and put a pressure seal on the plastic expansion bottle so the system is 'closed', but do keep an eye on the coolant level in the tank. My normal running temperature is about 180...but there is no absolute calibration on the stock temp gauge. It stays below 210 unless it is like _really_ hot outside, or I am running the A/C. (I usually just keep the windows open so I don't have a heart-attack stepping out of my nice, cool Jeep and into the blazing fury of a Mexican summer day.) With the A/C running she goes a bit above 210 at stoplights, that-is with the engine idling, tranny in "D" and my foot on the brake, but drops back again under way.
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