2000 A6 2.7T brake squeal

[Grant Lenahan]

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
>
> On Sat, Apr 19, 2008 at 10:07 PM, <kf21857 at comcast.net> wrote:
>
>> I have taken the pads out twice and sanded them to remove the  
>> glaze.  Once
>> they warm up after a couple of miles and a few stops, the squeal  
>> comes right
>> back.  Because of the locating pins, there is only one way the  
>> pads will go
>> into the calipers so no question of things being assembled  
>> correctly.  I
>> even tightened up the metal fingers that hold the pads in place,  
>> thinking
>> that maybe one of the pads was chattering.  I did notice that the  
>> Bentley
>> refers to removing protective foil from the backing plates and  
>> that the old
>> pads seem to have the remains of some kind of black goop that  
>> apparently
>> stuck them to the pistons.  The new pads didn't have this.  Could  
>> this be my
>> problem?  Has anybody else encountered this?  I have done quite a  
>> few brake
>> jobs on various Audis over the years and I am not a novice at this  
>> but this
>> has me baffled.  Should I just bag it and try a different set of  
>> pads?
>> thanks,
>> Dave
>>
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