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My 1997 ford explorer has a very loud humm coming from under the hood near the air filter. Ive changed the filter but it didnt help. any suggestions?

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If you can't tell where it's coming from for sure, rig up a stethoscope to listen with. using a short piece of hose etc. 3 feet maybe hold one end to your ear and the other end you move around to different parts to see where the sound is loudest. Don't let it get caught in the belt or pulleys but hold it as close as you safely can.

Posted on Aug 25, 2010


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