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Overheating electric fan not working

Old Aug 30, 2014 | 06:50 PM
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Default Overheating electric fan not working

I have a 2000 grand cherokee Laredo with the 4.0 I have had a recent problem with overheating so I flushed the whole cooling system put in a new thermostat it's still running warm but not as hot as it was I discovered my electric fan isn't working I tried turning on a/c and it still isn't kicking on any help is appreciated
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Old Aug 30, 2014 | 08:44 PM
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From: Oroville, CA
Year: 1995
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Engine: 4.0 with all of the noise and clatter
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The fan won't kick on until 219 degrees or when the A/C head pressure reaches between 350-430psi. How hot is your engine getting?
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Old Aug 30, 2014 | 09:04 PM
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Originally Posted by Bustedback
The fan won't kick on until 219 degrees or when the A/C head pressure reaches between 350-430psi. How hot is your engine getting?
It has gotten to around 240
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Old Aug 30, 2014 | 09:11 PM
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From: Oroville, CA
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Do you still have the factory radiator in there?
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Old Aug 30, 2014 | 09:34 PM
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Originally Posted by Bustedback
Do you still have the factory radiator in there?
Yeah still factory radiator I believe
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Old Aug 30, 2014 | 11:34 PM
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Have you checked the fuse?
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Old Aug 30, 2014 | 11:42 PM
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There's no fuse in the furs box for fan there's one under hood tried switching it with one I know works and still nothing
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Old Aug 30, 2014 | 11:47 PM
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From: Oroville, CA
Year: 1995
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Put power directly to the fan and see if it works. If it does you might have a bad relay. It may be time for a new radiator too. It is 15 years old.

Last edited by Bustedback; Aug 30, 2014 at 11:49 PM.
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