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?
Perce
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.
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
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.
Maybe an exhaust shield flapping in the wind?
Loose grill component?
It may be tough to find the source.
Mouse nest in the door or glove box? Don't ask me how I know this.
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