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#1
07-06-2006, 02:21 PM
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'99 Jeep GC heating fan wont come on
I understand this is a common problem with these Jeeps, that the cooling fan wont come on. Its been replaced, along with the rad. cap, thermostat, and coolant. I tried resetting all the fuses but to no avail. Can anyone help me out here to fix this problem?
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#2
07-06-2006, 05:33 PM
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Re: '99 Jeep GC heating fan wont come on
Possably a bad relay or temp sensor. Turn your ac on max and see if it kicks on.
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#3
07-06-2006, 05:40 PM
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Re: '99 Jeep GC heating fan wont come on
whether its a 4.0 or a 4.7L, both have a mechanical fan driven by the engine. They both use a thermostatic clutch to drive the fan. The clutch might be bad.
THe electric fan is only for the AC and has nothing to do with the radiator/cooling system.
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life begins at 10psi of boost Three turbo'd motorcycles and counting. 
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#4
07-06-2006, 10:06 PM
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Re: '99 Jeep GC heating fan wont come on
ah, I thought the four cylinder ones had eliminated the clutch fan and went to all electric. My mistake.
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#5
07-06-2006, 10:14 PM
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Re: '99 Jeep GC heating fan wont come on
there was no 4 cylinder option with a grand cherokee, but of course, as always, it would be helpful if the person asking the question would actually mention the motor
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life begins at 10psi of boost Three turbo'd motorcycles and counting.
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#6
07-07-2006, 08:05 AM
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Re: '99 Jeep GC heating fan wont come on
Could have swore my friend cherokee had a four... guess these paint fumes are killing my brain cells again.
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#7
07-07-2006, 12:18 PM
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Re: '99 Jeep GC heating fan wont come on
grand cherokee's are the "deluxe" cherokee's, they never came with a 4 cylinder. The regular cherokee's did though. Some years.
__________________
life begins at 10psi of boost Three turbo'd motorcycles and counting.
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