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Replaced Heater Core. Now Problems

Old 09-29-2014, 01:00 PM
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Default Replaced Heater Core. Now Problems

98 xj 4.0


I replaced the heater core this past weekend and when I buttoned everything back up I now have issues. The fan blows and runs just fine, however when I close the car door and turn the AC on it does not blow, there is a Dumb and Dumber most annoying sound in the world coming from the passenger side. Short of taking it to a professional to find this issue, is there something I can do?


Thank you


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Old 09-30-2014, 12:01 AM
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Does the fan blow with the heater on and the door closed? Just not the AC?
Old 09-30-2014, 08:04 PM
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Yes. Fan blows only with the jeep door open. I spoke with a family friend who is our go to guy for vehicles, he suspects a ground wire has not been bolted down...
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