Heat dependant dash rattle - JeepForum.com

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post #1 of 2 Old 10-22-2012, 07:27 PM Thread Starter
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2003 TJ Wrangler 
Join Date: Oct 2012
Location: St-jean-sur-Richelieu
Posts: 1
Heat dependant dash rattle

Hi. I was wondering if anybody could help me with this. I tried so manythings till now. I need backup! When the heating system is on and the temperature of the coming out air is hot, when I hit a crack, there's a sound coming from the middle of the upper part os the dash. The sounds is like nails on a blackboard. When I lower the temperature, the screaming noise stops. I disassembled most of the dash (upper pannels, lower sreering pannels, middle console, the radio) and took a ride, and the noise remains, only when the air of the heating system is hot...

Do somebody have an idea?

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post #2 of 2 Old 10-25-2012, 04:03 PM
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Join Date: Oct 2012
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Check the fan motor mounting it's probably that or a dry bushing on the fan rotor shaft.
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