A6 2.7T heater motor sounds like an airplane taking off???

Hi -
yestarday was a cold day in MA, with a few inches of snow. I had the
heater system on auto. When the heat was on the first three bars (low
heat) everything was fine. When I turn the heat higher, five, six,
seven bars- it progressivelly sounds like a jet taking off. Very
loud??? When the heat was high, I felt a vibration on the passenger
side dashboard, over the glove compartment.
I am assuming it is the heater motor?
Anyone have this problem? Is it an easy or expenseive fix?

On 14 Nov 2004 08:47:15 -0800, (JMurph) wrote:

>Hi -
>yestarday was a cold day in MA, with a few inches of snow. I had the
>heater system on auto. When the heat was on the first three bars (low
>heat) everything was fine. When I turn the heat higher, five, six,
>seven bars- it progressivelly sounds like a jet taking off. Very
>loud??? When the heat was high, I felt a vibration on the passenger
>side dashboard, over the glove compartment.
>I am assuming it is the heater motor?
>Anyone have this problem? Is it an easy or expenseive fix?


I had the same (or very similar) problem. Turned out to be a dead
mouse in the fan. Removal of mouse fixed the problem.

Hope your fix is as easy.

Bruce

"JMurph" > wrote in message
m...
> Hi -
> yestarday was a cold day in MA, with a few inches of snow. I had the
> heater system on auto. When the heat was on the first three bars (low
> heat) everything was fine. When I turn the heat higher, five, six,
> seven bars- it progressivelly sounds like a jet taking off. Very
> loud??? When the heat was high, I felt a vibration on the passenger
> side dashboard, over the glove compartment.
> I am assuming it is the heater motor?
> Anyone have this problem? Is it an easy or expenseive fix?

For heater motor you mean the fan?
If the fan makes noise when switched high, most usual problem is a clogged
filter.
It then suckes air via leaks in the flexible pipe under the dash.
Take the filter out for a moment and try again.

Ronald

I have had two pieces of advise that I would like to try:
1: Take the filter out and try the fan again?
2: Perhaps debris from the pollen filter area fell down
into the blower housing?


now the bad news, I know very little about cars or Audis, this is my
1st AUDI, and I love it, so step by step instructions are appreciated.
I just bought this used 2000 Audi A6 2.7T with 28K miles last week
via a private sale, so I can't return it to a dealer.

Where is the filter, and can I get to the pollen filter and blower
housing?
thanks, much aprreciated, other than this problem the car is a dream.

"JMurph" > wrote in message
m...
>I have had two pieces of advise that I would like to try:
> 1: Take the filter out and try the fan again?
> 2: Perhaps debris from the pollen filter area fell down
> into the blower housing?
>
>
> now the bad news, I know very little about cars or Audis, this is my
> 1st AUDI, and I love it, so step by step instructions are appreciated.
> I just bought this used 2000 Audi A6 2.7T with 28K miles last week
> via a private sale, so I can't return it to a dealer.
>
> Where is the filter, and can I get to the pollen filter and blower
> housing?
> thanks, much aprreciated, other than this problem the car is a dream.

Normally you will find it on the opposite side of the driver under the
windshield.
You have to remover a thin plastic cover to reach it. It is a service part
and needs changing at least every year.

Ronald

Hi, J. Murphy
I had the same problem some time ago. It turned out to be a leaf of a
tree that had got into the fan of the heating system. Makes a
terrirying noise but is totally harmless.
After a while it stopped from alone when the leaf was blown out of the
heater system.
greetings to you
Dietmar



On 14 Nov 2004 08:47:15 -0800, (JMurph) wrote:

>Hi -
>yestarday was a cold day in MA, with a few inches of snow. I had the
>heater system on auto. When the heat was on the first three bars (low
>heat) everything was fine. When I turn the heat higher, five, six,
>seven bars- it progressivelly sounds like a jet taking off. Very
>loud??? When the heat was high, I felt a vibration on the passenger
>side dashboard, over the glove compartment.
>I am assuming it is the heater motor?
>Anyone have this problem? Is it an easy or expenseive fix?

Guess what???
Followed the instructions, and what did I find under the filter???
A mouse nest:>)
Cleaned it out, and everything is perfect.
It is a 2000 A6 2.7T with 27K miles. It sits in my garage for months without use,

"JMurph" > wrote in message
m...
> Guess what???
> Followed the instructions, and what did I find under the filter???
> A mouse nest:>)
> Cleaned it out, and everything is perfect.
> It is a 2000 A6 2.7T with 27K miles. It sits in my garage for months
> without use,

Glad to have been of help.
--
Ronald
www.mulazzo.nl (our house in the Lunigiana)
www.netspresso.com (the espresso infosite)

On 15 Nov 2004 12:15:35 -0800, (JMurph) wrote:

>Guess what???
>Followed the instructions, and what did I find under the filter???
>A mouse nest:>)
>Cleaned it out, and everything is perfect.
>It is a 2000 A6 2.7T with 27K miles. It sits in my garage for months without use,

Eeeew....Does that mean your blower is festooned with bits of mouse?