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Old December 23rd 17, 01:50 AM posted to rec.autos.misc,rec.autos.tech
Paul in Houston TX[_2_]
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Posts: 170
Default Crackling/"rustling" noise in Chrysler 300M

Percival P. Cassidy wrote:
> On 12/21/2017 09:20 PM, Paul in Houston TX wrote:
>> Percival P. Cassidy wrote:
>>> While driving at freeway speeds today, I could hear an annoying noise in our '02 Chrysler
>>> 300M -- like rustling leaves, perhaps, but loud and constant.
>>>
>>> Turning off the fan didn't seem to make any difference. When the car was not moving, there
>>> was no such sound, even when I cranked the fan up to its highest speed.
>>>
>>> Are there ventilation ducts that could have an accumulation of dry leaves and are
>>> independent of the HVAC controls? If so, any ideas for dealing with the problem. And
>>> please don't tell me to pull the whole dash apart: once was enough for a lifetime.
>>>
>>> Or is there any other possible cause?

>
>> Possible bad wheel bearings or loose lug nuts.

>
> It doesn't sound at all metallic. It really does sound like continuously rustling leaves.
> The lug nuts aren't loose: I checked.
>
> Perce


Maybe an exhaust shield flapping in the wind?
Loose grill component?
It may be tough to find the source.

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