On Sat, 21 Aug 2004 12:03:28 +0200, "Alfistagj"
> wrote:

>
>"Thomas Strandtoft" > schreef in bericht
...
>> Zathras wrote:
>>
>> > The issue I've experienced with rear disks brakes (particularly with
>> > single caliper type) is sticking and so squeaking. The *fix* is a
>> > clean out then copper grease. I've never had a problem with rust on
>> > them...yet!
>
>You never grease the braking surface of the pads (or at least you
>shouldn't), but the assembly parts.
>It is not the braking surface that squeeks, but the vibration in the pad
>that makes that sound.
>Thats why the so called anti-squeek spring plate is there.
>Just a matter of correct assembly.
>After the braking action, the pads should come free from the disc; this can
>only happen when
>1. they are correctly mounted in the first place
>2. clearance between brake caliper and pads is sufficent, so when assembling
>new pads see to it that the caliper is absolutely clear to the bare metal
>and the pads are cot covered with a huge layer of paint on the sides. after
>the braking. When you grease the sides or rear of the pad, normal street
>dirt, but worse, the worn off "dust" from the pads' friction material and
>the worn off steel dust from the discs can nicely attach to the grease and
>do exactly the opposite of what you are trying to obtain.
>Brake pads will stick, resulting in more brake force has to be applied to
>get a good brake action (= less braking power) as well as brake pads will
>not come loose from the disc completely so the will keep rubbing against the
>disc (=extra wear & additional "drag"which costs power!) and you may hear
>the sound that goes with it. And when eventually the pads are worn to the
>steel, they will start making a squeeking sound which goes with the
>steel-to-steel rubbing

My brakes have been fine for 2.5 years since their last *clean out and
copper grease*!

>> The grease lasts until the first time you get the brakes really
>> hot, them it melts away..

Seems to work ok for me though.

<Snip>

--
Z
Scotland
Alfa Romeo 156 2.4JTD Veloce Leather
'Oil' be seeing you..
(Email without 'Alfa' in subject are auto-deleted..sorry!)