[Healeys] FW: Squealy Brakes

Tue Apr 16 18:18:07 MDT 2024

I don't have the model number but several years back put EBC's "Greenstuff"
pads on my 100 w/BT7 conversion.
No squeaks and good braking!

Best--Michael Oritt

On Tue, Apr 16, 2024 at 8:51 AM m.g.sharp--- via Healeys <
healeys at autox.team.net> wrote:

> Thanks everyone, especially Simon for  the detailed response.  Someone
> else has suggested my pads may be too hard and I should try changing them.
>
>
>
> Simon, First, I am unfamiliar with “Girling 14” vs, “Girling 16”.  I know
> there was a change in the brakes somewhere in the later cars, so I am
> assuming a stock BT7 (late 1959) has Girling 14s?  Can someone confirm that?
>
>
>
> Also,  I went on the EBC site and they don’t have a listing for Austin
> Healey, but do list the DP2141.  Simon if you are positive about the
> product number I will go with that.
>
>
>
> I am still weighing options before shelling out $150 for pads, but the EBC
> option is looking best right now.  I also see the normal suppliers offering
> anti-squeal kits, and may try those first after having a chat with them.
> Our local supplier, Healey Autofarm, also restore and drive Healeys, so
> they may have some thoughts.
>
>
>
> Cheers, Mirek
>
>
>
> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *Simon
> Lachlan via Healeys
> *Sent:* Tuesday, April 16, 2024 4:43 AM
> *To:* Healeys <healeys at autox.team.net>
> *Subject:* [Healeys] FW: Squealy Brakes
>
>
>
>
>
>
>
> I have a BT7 also. (MkII). I had squeaky brakes and found my anti-shim
> pads to be pretty useless. Worse, in a way, sometimes the brakes were quiet
> and sometimes they really howled!
>
> Anyhow…..I asked around and did some research which led me to EBC pads. I
> think there are two or three materials used…..depending on what you use the
> car for. “Greenstuff” is the regular road set and the ones that I use.
>
> According to my files(!),  the code was DP2141 ie for Girling 14s. (I’ve
> switched to 16s which take DP2291.)
>
> And, with particular regard to anti-shim pads, EBC supply a rubber backing
> material which you cut to size yourself. Back to the files:- They describe
> the material as a " High performance 200MP pressure sensitive
>
> acrylic adhesive on 58 lb polycoated kraft paper liner. High temperature
> formulation, solvent resistance, shear adhesion and HSE, low LSE. Use for
> general industrial joining. 5.0 mil thick with 4.0 mil
>
> liner.")  The instructions say:- "Cut with scissors to shape required and
> apply these shims to the reverse side (painted side) of the brake pads to
> prevent brake noise. The fibre must cover all areas contacted
>
> by the hydraulic pistons or the calliper supports".
>
> I see that I’ve been using EBC pads since  some years before April 2012.
> They work for me.
>
> I’ve attached their installation instructions which are pretty
> generic…nothing much unique to their pads.
>
> Simon
>
>
>
>
>
>
>
> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *m.g.sharp---
> via Healeys
> *Sent:* Tuesday, April 16, 2024 1:26 AM
> *To:* Healey List <healeys at autox.team.net>
> *Subject:* [Healeys] Squealy Brakes
>
>
>
> Hi all,  I have had intermittent squealy brakes on my BT7 the last year or
> so.  I got it out of hibernation a week ago and the squealing is worse, it
> seems.  I don’t mind heads turning when I pull up at a light, but not
> because it sounds like I just ran over a cat.
>
>
>
> I put new pads in a few years back and installed the anti-squeal shims,
> but they did not work.   Today I pulled out the pads, tossed the shims and
> lightly rubbed the pads on a sheet of #120 emery on a plate of glass, just
> to take the sheen of the friction side and ensure the backs were flat.  I
> took a file and gently broke the leading and trailing edges of the friction
> material, as the edges were quite sharp and though one could be catching.
> I then cleaned the pads with brake part cleaner.   I also lightly used
> emery on the disks to remove any glaze.   I had gone to my local auto parts
> supplier to see if  they had any anti-squeal shims but they don’t sell them
> separately from the pads.  However, they highly recommended a Permatex
> product with the promising name “Disc Brake Quiet” [sic].   This I applied
> per the instructions, spraying it on the back of the pads.  I blew the dust
> out of the calipers and, as best I could, checked the pistons for
> irregularities where they bear on the pads.  The calipers were re-built
> about 5 years ago with stainless pistons and they looked as new.  Retaining
> pins were cleaned and very lightly greased.  I re-assembled everything and
> went  out for a test drive.
>
>
>
> The results were staggering in that there was no difference whatsoever.
>
>
>
> So folks – any good ideas out there?  I am wondering if should switch out
> the pads, but mine are barely worn and I am not sure I have record of what
> I put in, so may end up with the same make.  Other than that, I am
> flummoxed.
>
>
>
> All suggestions welcome.
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