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Old 07-05-2013, 02:07 PM   #1
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Overheating And Dont Know Why.

Okay I am kinda lost and so is my father. He has a 2000 Jeep Wranger 4.0 and the thing sits at 220ish we have done quite a bit of work to keep the thing cool and we are lost now.
This is what we have doe

Water pump - FlowKooler Water Pump Flowkooler 1750 - FlowKooler Water Pump for 00-06 Jeep® Wrangler TJ with 4.0L I-6 Engine - Quadratec
Radiator - Griffin Radiators™ Aluminum Radiator with Fan Griffin Radiator & Thermal Products CU787LAFAX - Griffin Radiators™ Aluminum Radiator with Fan for 87-06 Jeep® Wrangler YJ, TJ & TJ Unlimited - Quadratec

Have put a 165 thermostat in it and had the head checked for cracks due to it has had over headed.

BUT its still sitting around 220. . Should it be lower or what else can we do to get it cooler.?

Thanks for the help.

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Old 07-05-2013, 02:14 PM   #2
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Shouldnt the thermostat be a 195? Pretty sure it is.

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Old 07-05-2013, 02:15 PM   #3
Knows a couple things...

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First, replace that 165 degree thermostat with the factory specified 195 degree thermostat which is required to keep the computer's programming happy. As you can see, it didn't reduce your engine temp in your warm climate conditions anyway.

One more thing, that Griffin electric fan is not capable of pulling as much air through that fan as the engine driven fan can. Electric fans are rarely the right choice when you have a cooling issue.

Not to mention that 210/220 is pretty normal for the Jeep in pretty much all conditions. It shouldn't run below 210, that temp is where the TJ's engine was programmed & designed to be most efficient.
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Old 07-05-2013, 02:18 PM   #4
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Quote:
Originally Posted by Jerry Bransford View Post

Not to mention that 210/220 is pretty normal for the Jeep in pretty much all conditions. It shouldn't run below 210, that temp is where the TJ's engine was programmed & designed to be most efficient.
This. You just dumped money into a problem that didn't exist.
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Old 07-05-2013, 02:29 PM   #5
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well we had a issue with it blowing radiators alot and the water pump was leaking. So it needed to be replaced anyways. Now as far as in the electric fan. What wire of the thermostat sensor to you plug it into. As right now we have it come on at all times. I DO know that it NOT how it should be.
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Old 07-05-2013, 03:21 PM   #6
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220 is perfectly fine, as stated above.

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