2000 A6 2.7T brake squeal

[Grant Lenahan]

sorry!
On Apr 20, 2008, at 4:56 PM, kf21857 at comcast.net wrote:

> I bought a can of the 3M brake lube.  It looks like regular anti  
> seize compound but thicker and copper colored.  It didn't help a  
> bit.  If anything it is worse than ever.  Guess I will pick up a  
> new set of pads from the friendly local Audi dealer and see if  
> those work better.  I didn't have the problem with the old pads so  
> it has to be something to do with the material the pads are made of.
> Dave
>  -------------- Original message ----------------------
> From: "Mark R" <speedracer.mark at gmail.com>
>> Yes.  Use a synthetic, high temp lubricant everywhere two pieces  
>> come in
>> contact with each other (pad backing, pad ears, caliper pins,  
>> retaining
>> hardware, etc.).  The front carriers of the A6 2.7T do not have  
>> slider pins,
>> but the rears do.
>>
>> I use the lubricant on track driven cars (including my own), but  
>> not pure
>> race cars between insulating titanium backing plates and the pads
>> themselves.  But it can be used between the insulating plates and the
>> calipers, as the temps there are typically under 550-600 degrees F.
>>
>> My experience with the tacky/sticky products is poor.
>>
>> Mark Rosenkrantz
>>
>> On Sun, Apr 20, 2008 at 9:36 AM, Grant Lenahan  
>> <glenahan at vfemail.net> wrote:
>>
>>> Good info - i would have done the opposite.
>>>
>>> brake lubricant - right on the backing material, huh?
>>>
>>> On Apr 20, 2008, at 9:11 AM, Mark R wrote:
>>>
>>> The squeal is the pads vibrating on the backing plates.  You need a
>>>> lubricant.  The sticky glue type of products don't work well.   
>>>> Use the
>>>> same
>>>> type of product you lubricate slider pins with.  Permatex makes a
>>>> product
>>>> called ultra disk brake caliper lubricant.  I personally use the 3M
>>>> Brake
>>>> Lube.
>>>> http://solutions.3m.com/wps/portal/3M/en_US/3MAutomotive/
>>>>
>> Aftermarket/Products/Product-Catalog/? 
>> PC_7_RJH9U5230GE3E02LECFTDQCEK3_nid=GSHRZT
>> XMBNbeGSGRCGLTDBgl
>>>>
>>>> Lubricate any place where a pad comes in contact with a carrier or
>>>> caliper
>>>> (but obviously not the friction face).
>>>>
>>>> Guaranteed fix.
>>>>
>>>> Mark Rosenkrantz
>>>
>>>
>
>
>
> From: "Mark R" <speedracer.mark at gmail.com>
> Date: April 20, 2008 11:34:52 AM EDT
> To: "Grant Lenahan" <glenahan at vfemail.net>
> Cc: kf21857 at comcast.net, quattro at audifans.com
> Subject: Re: 2000 A6 2.7T brake squeal
>
>
> Yes.  Use a synthetic, high temp lubricant everywhere two pieces  
> come in contact with each other (pad backing, pad ears, caliper  
> pins, retaining hardware, etc.).  The front carriers of the A6 2.7T  
> do not have slider pins, but the rears do.
>
> I use the lubricant on track driven cars (including my own), but  
> not pure race cars between insulating titanium backing plates and  
> the pads themselves.  But it can be used between the insulating  
> plates and the calipers, as the temps there are typically under  
> 550-600 degrees F.
>
> My experience with the tacky/sticky products is poor.
>
> Mark Rosenkrantz
>
> On Sun, Apr 20, 2008 at 9:36 AM, Grant Lenahan  
> <glenahan at vfemail.net> wrote:
> Good info - i would have done the opposite.
>
> brake lubricant - right on the backing material, huh?
>
> On Apr 20, 2008, at 9:11 AM, Mark R wrote:
>
> The squeal is the pads vibrating on the backing plates.  You need a
> lubricant.  The sticky glue type of products don't work well.  Use  
> the same
> type of product you lubricate slider pins with.  Permatex makes a  
> product
> called ultra disk brake caliper lubricant.  I personally use the 3M  
> Brake
> Lube.
> http://solutions.3m.com/wps/portal/3M/en_US/3MAutomotive/ 
> Aftermarket/Products/Product-Catalog/? 
> PC_7_RJH9U5230GE3E02LECFTDQCEK3_nid=GSHRZTXMBNbeGSGRCGLTDBgl
>
> Lubricate any place where a pad comes in contact with a carrier or  
> caliper
> (but obviously not the friction face).
>
> Guaranteed fix.
>
> Mark Rosenkrantz