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Old 07-01-2013, 10:43 AM
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Temp Gauge Readings?

Hello fellas,

One thing I've noticed with my TJ is I feel that its running a little on the Hot side... Stock 4.0, 33" tires, relatively flat road surfaces. Ambient temps anywhere from 60-100 degrees.

Around town (without the AC on) it runs anywhere from 200-210 deg.
On the freeway it runs right about 195-200 deg.

I've owned several cars and heat was something I've always kept a close eye on. Is this normal? I would understand if the vehicle isn't getting enough air travel through the grill or it's clogged but I just placed a new water pump and thermostat and I dont beat on it. This rated on normal driving, no towing, no large hills.

Is there something I'm missing? Is it supposed to run at this temp? Can she run cooler? I feel it should be in the 170-180 range.

Thanks in advance.
-Sam
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Old 07-01-2013, 10:51 AM   #2
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210 is perfectly normal.

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Old 07-01-2013, 10:52 AM   #3
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The temp gauge is not the most accurate every TJ I've worked on, driven or owned runs right around 210 unless it's having cooling issues.
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Old 07-01-2013, 11:08 AM   #4
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Yup. Mine runs at 210 too.
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Old 07-01-2013, 11:10 AM
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ok.... this makes me feel a bit more comfortable.
Thanks for the info gentleman.

-Sam
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Old 07-01-2013, 12:19 PM   #6
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Lucky... I wish mine ran like that, I hit 210+ up to like 230 (almost like 3/4 the way). I'm going to be installing one of those Poison Spyder hood louvers soon, hopefully that'll help reduce a little bit of heat
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Old 07-01-2013, 12:43 PM   #7
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Some t-stats are not even opening till the engine temp reaches 196 degrees. A running temp of 210-215 degrees are well within normal operating temps.
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Old 07-01-2013, 12:58 PM   #8
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Yep 205 - 210 here. I have seen someone in these forums say that if the temp is not up over 200 its not operating as efficiently as it can.

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