I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
noise, and I am wondering what it might be. Here are the details:

* The noise gradually appeared over the last month or two. It started
as: "Is the car a little louder than usual?" and now is: "The car is a
lot louder than usual."
* The noise could be characterized as a roar; it is almost like road
noise
* It is not at all cyclical. It is a constant drone or roar that
remains the same as long as I'm going a particular speed
* It seems to come from the rear half of the vehicle
* It does not increase with acceleration, like a muffler problem. In
fact, it is most noticeable when cruising along at a constant speed in
a low to middle gear, or when the wheels are turning but I am not
pressing on the gas

I am not experienced with cars, so an obvious problem can't be ruled
out.

Any thoughts?

Thanks in advance!


--------------= Posted using GrabIt =----------------
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Few guesses, so I don't have any hard evidence how problems on these areas
really show up:

- quattro 4wd: differential gear on back (lubrication problem?)
- rear brake pads worn
- rear wheel bearings

Regards,
Sami


"Grapeape" <grape@ape.com> wrote in message
news:45289b51$0$14716$c3e8da3@news.astraweb.com...
>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
> noise, and I am wondering what it might be. Here are the details:
>
> * The noise gradually appeared over the last month or two. It started
> as: "Is the car a little louder than usual?" and now is: "The car is a
> lot louder than usual."
> * The noise could be characterized as a roar; it is almost like road
> noise
> * It is not at all cyclical. It is a constant drone or roar that
> remains the same as long as I'm going a particular speed
> * It seems to come from the rear half of the vehicle
> * It does not increase with acceleration, like a muffler problem. In
> fact, it is most noticeable when cruising along at a constant speed in
> a low to middle gear, or when the wheels are turning but I am not
> pressing on the gas
>
> I am not experienced with cars, so an obvious problem can't be ruled
> out.
>
> Any thoughts?
>
> Thanks in advance!
>
>
> --------------= Posted using GrabIt =----------------
> ------= Binary Usenet downloading made easy =---------
> -= Get GrabIt for free from http://www.shemes.com/ =-
>

 

Few guesses, so I don't have any hard evidence how problems on these areas
really show up:

- quattro 4wd: differential gear on back (lubrication problem?)
- rear brake pads worn
- rear wheel bearings

Regards,
Sami


"Grapeape" <grape@ape.com> wrote in message
news:45289b51$0$14716$c3e8da3@news.astraweb.com...
>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
> noise, and I am wondering what it might be. Here are the details:
>
> * The noise gradually appeared over the last month or two. It started
> as: "Is the car a little louder than usual?" and now is: "The car is a
> lot louder than usual."
> * The noise could be characterized as a roar; it is almost like road
> noise
> * It is not at all cyclical. It is a constant drone or roar that
> remains the same as long as I'm going a particular speed
> * It seems to come from the rear half of the vehicle
> * It does not increase with acceleration, like a muffler problem. In
> fact, it is most noticeable when cruising along at a constant speed in
> a low to middle gear, or when the wheels are turning but I am not
> pressing on the gas
>
> I am not experienced with cars, so an obvious problem can't be ruled
> out.
>
> Any thoughts?
>
> Thanks in advance!
>
>
> --------------= Posted using GrabIt =----------------
> ------= Binary Usenet downloading made easy =---------
> -= Get GrabIt for free from http://www.shemes.com/ =-
>

 

Few guesses, so I don't have any hard evidence how problems on these areas
really show up:

- quattro 4wd: differential gear on back (lubrication problem?)
- rear brake pads worn
- rear wheel bearings

Regards,
Sami


"Grapeape" <grape@ape.com> wrote in message
news:45289b51$0$14716$c3e8da3@news.astraweb.com...
>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
> noise, and I am wondering what it might be. Here are the details:
>
> * The noise gradually appeared over the last month or two. It started
> as: "Is the car a little louder than usual?" and now is: "The car is a
> lot louder than usual."
> * The noise could be characterized as a roar; it is almost like road
> noise
> * It is not at all cyclical. It is a constant drone or roar that
> remains the same as long as I'm going a particular speed
> * It seems to come from the rear half of the vehicle
> * It does not increase with acceleration, like a muffler problem. In
> fact, it is most noticeable when cruising along at a constant speed in
> a low to middle gear, or when the wheels are turning but I am not
> pressing on the gas
>
> I am not experienced with cars, so an obvious problem can't be ruled
> out.
>
> Any thoughts?
>
> Thanks in advance!
>
>
> --------------= Posted using GrabIt =----------------
> ------= Binary Usenet downloading made easy =---------
> -= Get GrabIt for free from http://www.shemes.com/ =-
>

 

On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
<sami.p.heikkinen@poista.elisanet.fi> wrote:
>"Grapeape" <grape@ape.com> wrote in message
>news:45289b51$0$14716$c3e8da3@news.astraweb.com.. .
>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>> noise, and I am wondering what it might be. Here are the details:
>>
>> * The noise gradually appeared over the last month or two. It started
>> as: "Is the car a little louder than usual?" and now is: "The car is a
>> lot louder than usual."
>> * The noise could be characterized as a roar; it is almost like road
>> noise
>> * It is not at all cyclical. It is a constant drone or roar that
>> remains the same as long as I'm going a particular speed
>> * It seems to come from the rear half of the vehicle
>> * It does not increase with acceleration, like a muffler problem. In
>> fact, it is most noticeable when cruising along at a constant speed in
>> a low to middle gear, or when the wheels are turning but I am not
>> pressing on the gas
>>
>> I am not experienced with cars, so an obvious problem can't be ruled
>> out.
>>
>> Any thoughts?

>Few guesses, so I don't have any hard evidence how problems on these areas
>really show up:
>
>- quattro 4wd: differential gear on back (lubrication problem?)
>- rear brake pads worn
>- rear wheel bearings
>
>Regards,
>Sami

Well, he *did* claim he couldn't rule out the obvious, and bearings and
dragging brakes rarely make "roaring" noises, so...

Rotate the rear tires to the front and vice versa, and see if the problem
moves, or not...

/daytripper
'00 s4 6spd

 

On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
<sami.p.heikkinen@poista.elisanet.fi> wrote:
>"Grapeape" <grape@ape.com> wrote in message
>news:45289b51$0$14716$c3e8da3@news.astraweb.com.. .
>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>> noise, and I am wondering what it might be. Here are the details:
>>
>> * The noise gradually appeared over the last month or two. It started
>> as: "Is the car a little louder than usual?" and now is: "The car is a
>> lot louder than usual."
>> * The noise could be characterized as a roar; it is almost like road
>> noise
>> * It is not at all cyclical. It is a constant drone or roar that
>> remains the same as long as I'm going a particular speed
>> * It seems to come from the rear half of the vehicle
>> * It does not increase with acceleration, like a muffler problem. In
>> fact, it is most noticeable when cruising along at a constant speed in
>> a low to middle gear, or when the wheels are turning but I am not
>> pressing on the gas
>>
>> I am not experienced with cars, so an obvious problem can't be ruled
>> out.
>>
>> Any thoughts?

>Few guesses, so I don't have any hard evidence how problems on these areas
>really show up:
>
>- quattro 4wd: differential gear on back (lubrication problem?)
>- rear brake pads worn
>- rear wheel bearings
>
>Regards,
>Sami

Well, he *did* claim he couldn't rule out the obvious, and bearings and
dragging brakes rarely make "roaring" noises, so...

Rotate the rear tires to the front and vice versa, and see if the problem
moves, or not...

/daytripper
'00 s4 6spd

 

On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
<sami.p.heikkinen@poista.elisanet.fi> wrote:
>"Grapeape" <grape@ape.com> wrote in message
>news:45289b51$0$14716$c3e8da3@news.astraweb.com.. .
>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>> noise, and I am wondering what it might be. Here are the details:
>>
>> * The noise gradually appeared over the last month or two. It started
>> as: "Is the car a little louder than usual?" and now is: "The car is a
>> lot louder than usual."
>> * The noise could be characterized as a roar; it is almost like road
>> noise
>> * It is not at all cyclical. It is a constant drone or roar that
>> remains the same as long as I'm going a particular speed
>> * It seems to come from the rear half of the vehicle
>> * It does not increase with acceleration, like a muffler problem. In
>> fact, it is most noticeable when cruising along at a constant speed in
>> a low to middle gear, or when the wheels are turning but I am not
>> pressing on the gas
>>
>> I am not experienced with cars, so an obvious problem can't be ruled
>> out.
>>
>> Any thoughts?

>Few guesses, so I don't have any hard evidence how problems on these areas
>really show up:
>
>- quattro 4wd: differential gear on back (lubrication problem?)
>- rear brake pads worn
>- rear wheel bearings
>
>Regards,
>Sami

Well, he *did* claim he couldn't rule out the obvious, and bearings and
dragging brakes rarely make "roaring" noises, so...

Rotate the rear tires to the front and vice versa, and see if the problem
moves, or not...

/daytripper
'00 s4 6spd

 

daytripper wrote:
> On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
> <sami.p.heikkinen@poista.elisanet.fi> wrote:
>
>>"Grapeape" <grape@ape.com> wrote in message
>>news:45289b51$0$14716$c3e8da3@news.astraweb.com. ..
>>
>>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>>>noise, and I am wondering what it might be. Here are the details:
>>>
>>>* The noise gradually appeared over the last month or two. It started
>>>as: "Is the car a little louder than usual?" and now is: "The car is a
>>>lot louder than usual."
>>>* The noise could be characterized as a roar; it is almost like road
>>>noise
>>>* It is not at all cyclical. It is a constant drone or roar that
>>>remains the same as long as I'm going a particular speed
>>>* It seems to come from the rear half of the vehicle
>>>* It does not increase with acceleration, like a muffler problem. In
>>>fact, it is most noticeable when cruising along at a constant speed in
>>>a low to middle gear, or when the wheels are turning but I am not
>>>pressing on the gas
>>>
>>>I am not experienced with cars, so an obvious problem can't be ruled
>>>out.
>>>
>>>Any thoughts?
>
>
>>Few guesses, so I don't have any hard evidence how problems on these areas
>>really show up:
>>
>>- quattro 4wd: differential gear on back (lubrication problem?)
>>- rear brake pads worn
>>- rear wheel bearings
>>
>>Regards,
>>Sami
>
>
> Well, he *did* claim he couldn't rule out the obvious, and bearings and
> dragging brakes rarely make "roaring" noises, so...
>
> Rotate the rear tires to the front and vice versa, and see if the problem
> moves, or not...
>
> /daytripper
> '00 s4 6spd

It depends on what the poster calls a 'roar'.

Rear bearings are about due on a '00 audi. I have heard rear bearings fail that
are quite loud so my guess would be bearings but then we are all just guessing.

TonyJ
'98.5 A4 1.8TQM

 

daytripper wrote:
> On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
> <sami.p.heikkinen@poista.elisanet.fi> wrote:
>
>>"Grapeape" <grape@ape.com> wrote in message
>>news:45289b51$0$14716$c3e8da3@news.astraweb.com. ..
>>
>>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>>>noise, and I am wondering what it might be. Here are the details:
>>>
>>>* The noise gradually appeared over the last month or two. It started
>>>as: "Is the car a little louder than usual?" and now is: "The car is a
>>>lot louder than usual."
>>>* The noise could be characterized as a roar; it is almost like road
>>>noise
>>>* It is not at all cyclical. It is a constant drone or roar that
>>>remains the same as long as I'm going a particular speed
>>>* It seems to come from the rear half of the vehicle
>>>* It does not increase with acceleration, like a muffler problem. In
>>>fact, it is most noticeable when cruising along at a constant speed in
>>>a low to middle gear, or when the wheels are turning but I am not
>>>pressing on the gas
>>>
>>>I am not experienced with cars, so an obvious problem can't be ruled
>>>out.
>>>
>>>Any thoughts?
>
>
>>Few guesses, so I don't have any hard evidence how problems on these areas
>>really show up:
>>
>>- quattro 4wd: differential gear on back (lubrication problem?)
>>- rear brake pads worn
>>- rear wheel bearings
>>
>>Regards,
>>Sami
>
>
> Well, he *did* claim he couldn't rule out the obvious, and bearings and
> dragging brakes rarely make "roaring" noises, so...
>
> Rotate the rear tires to the front and vice versa, and see if the problem
> moves, or not...
>
> /daytripper
> '00 s4 6spd

It depends on what the poster calls a 'roar'.

Rear bearings are about due on a '00 audi. I have heard rear bearings fail that
are quite loud so my guess would be bearings but then we are all just guessing.

TonyJ
'98.5 A4 1.8TQM

 

daytripper wrote:
> On Sun, 8 Oct 2006 18:27:57 +0300, "Sami Heikkinen"
> <sami.p.heikkinen@poista.elisanet.fi> wrote:
>
>>"Grapeape" <grape@ape.com> wrote in message
>>news:45289b51$0$14716$c3e8da3@news.astraweb.com. ..
>>
>>>I have a 2000 Audi A4 2.8 Quattro. Recently it has developed a constant
>>>noise, and I am wondering what it might be. Here are the details:
>>>
>>>* The noise gradually appeared over the last month or two. It started
>>>as: "Is the car a little louder than usual?" and now is: "The car is a
>>>lot louder than usual."
>>>* The noise could be characterized as a roar; it is almost like road
>>>noise
>>>* It is not at all cyclical. It is a constant drone or roar that
>>>remains the same as long as I'm going a particular speed
>>>* It seems to come from the rear half of the vehicle
>>>* It does not increase with acceleration, like a muffler problem. In
>>>fact, it is most noticeable when cruising along at a constant speed in
>>>a low to middle gear, or when the wheels are turning but I am not
>>>pressing on the gas
>>>
>>>I am not experienced with cars, so an obvious problem can't be ruled
>>>out.
>>>
>>>Any thoughts?
>
>
>>Few guesses, so I don't have any hard evidence how problems on these areas
>>really show up:
>>
>>- quattro 4wd: differential gear on back (lubrication problem?)
>>- rear brake pads worn
>>- rear wheel bearings
>>
>>Regards,
>>Sami
>
>
> Well, he *did* claim he couldn't rule out the obvious, and bearings and
> dragging brakes rarely make "roaring" noises, so...
>
> Rotate the rear tires to the front and vice versa, and see if the problem
> moves, or not...
>
> /daytripper
> '00 s4 6spd

It depends on what the poster calls a 'roar'.

Rear bearings are about due on a '00 audi. I have heard rear bearings fail that
are quite loud so my guess would be bearings but then we are all just guessing.

TonyJ
'98.5 A4 1.8TQM