Re: humming noise at certaind speeds only when accelerating

On Sat, 10 Nov 2007 02:54:43 -0000, WaadHanna@[EMAIL PROTECTED]
 wrote:

>I have an 2002 ford explorer and it makes a humming noise only at
>around 50-75 mph and only when im pressing on the gas.  If i take my
>foot off the gas, the noise stops.  If i pass 75mph, the noise stops.
>And I never hear the noise when im going less than 50 mph. Anyone know
>what this can be?


My first thought is a resonance in the exhaust system or possibly a
bad hanger for it. Second choice would be a bad engine or tranny
mount. 
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