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99 jeep grand cherokee

crzymuphere's Avatar
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05-11-05, 11:19 AM   #1  
99 jeep grand cherokee

Please someone help me!!!got a 99 jeep cherokee keeps overheating..my question before taking out thermostat is.....does the fan run all the time or only when needed? when is it needed the jeep runs normal about 210

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bejay's Avatar

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05-11-05, 12:46 PM   #2  
electric fans only run when needed or when engine temp gets hot enough to kick on the fan usually around 220 - 230 degrees the fan may run most of the time when the a/c is being used as it is cycled on by the pressure readings of the a/c system when in use.

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