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Re: [Healeys] FW: Squealy Brakes

To: Simon Lachlan <simon.lachlan@alexarevel.plus.com>
Subject: Re: [Healeys] FW: Squealy Brakes
From: Tom Felts <Tomfelts@windstream.net>
Date: Tue, 16 Apr 2024 06:09:11 -0400 (EDT)
Cc: Healeys <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <01c401da8f94$a89f87d0$f9de9770$@sympatico.ca> <000d01da8fda$262fa4b0$728eee10$@alexarevel.plus.com>
Thread-index: AQGrApdVIRYeaZ4VDDdfYDaJeHp+9LHJl8mAgAAWhBAT/1K2EA==
Thread-topic: Squealy Brakes
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I found that if I applied some Al antiseize grease on the back of the metal=
 that the pads are attached to, this stops the squeal=20


From: "Simon Lachlan via Healeys" <healeys@autox.team.net>=20
To: "Healeys" <healeys@autox.team.net>=20
Sent: Tuesday, April 16, 2024 4:43:25 AM=20
Subject: [Healeys] FW: Squealy Brakes=20







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!=20

Anyhow=E2=80=A6..I asked around and did some research which led me to EBC p=
ads. I think there are two or three materials used=E2=80=A6..depending on w=
hat you use the car for. =E2=80=9CGreenstuff=E2=80=9D is the regular road s=
et and the ones that I use.=20

According to my files(!), the code was DP2141 ie for Girling 14s. (I=E2=80=
=99ve switched to 16s which take DP2291.)=20

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=20

acrylic adhesive on 58 lb polycoated kraft paper liner. High temperature fo=
rmulation, solvent resistance, shear adhesion and HSE, low LSE. Use for gen=
eral industrial joining. 5.0 mil thick with 4.0 mil=20

liner.") The instructions say:- "Cut with scissors to shape required and ap=
ply these shims to the reverse side (painted side) of the brake pads to pre=
vent brake noise. The fibre must cover all areas contacted=20

by the hydraulic pistons or the calliper supports".=20

I see that I=E2=80=99ve been using EBC pads since some years before April 2=
012. They work for me.=20

I=E2=80=99ve attached their installation instructions which are pretty gene=
ric=E2=80=A6nothing much unique to their pads.=20

Simon=20








From: Healeys < [ mailto:healeys-bounces@autox.team.net | healeys-bounces@a=
utox.team.net ] > On Behalf Of m.g.sharp--- via Healeys=20
Sent: Tuesday, April 16, 2024 1:26 AM=20
To: Healey List < [ mailto:healeys@autox.team.net | healeys@autox.team.net =
] >=20
Subject: [Healeys] Squealy Brakes=20




Hi all, I have had intermittent squealy brakes on my BT7 the last year or s=
o. I got it out of hibernation a week ago and the squealing is worse, it se=
ems. I don=E2=80=99t mind heads turning when I pull up at a light, but not =
because it sounds like I just ran over a cat.=20



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 light=
ly rubbed the pads on a sheet of #120 emery on a plate of glass, just to ta=
ke 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 materi=
al, 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 se=
e if they had any anti-squeal shims but they don=E2=80=99t sell them separa=
tely from the pads. However, they highly recommended a Permatex product wit=
h the promising name =E2=80=9CDisc Brake Quiet=E2=80=9D [sic]. This I appli=
ed per the instructions, spraying it on the back of the pads. I blew the du=
st out of the calipers and, as best I could, checked the pistons for irregu=
larities where they bear on the pads. The calipers were re-built about 5 ye=
ars ago with stainless pistons and they looked as new. Retaining pins were =
cleaned and very lightly greased. I re-assembled everything and went out fo=
r a test drive.=20



The results were staggering in that there was no difference whatsoever.=20



So folks =E2=80=93 any good ideas out there? I am wondering if should switc=
h 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 flu=
mmoxed.=20



All suggestions welcome.=20

_______________________________________________=20

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys=20

Healeys@autox.team.net=20
http://autox.team.net/mailman/listinfo/healeys=20

windstream.net=20

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<html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s=
ize: 12pt; color: #000000"><div>I found that if I applied some Al antiseize=
 grease on the back of the&nbsp; metal that the pads are attached to, this =
stops the squeal</div><div><br></div><hr id=3D"zwchr" data-marker=3D"__DIVI=
DER__"><div data-marker=3D"__HEADERS__"><b>From: </b>"Simon Lachlan via Hea=
leys" &lt;healeys@autox.team.net&gt;<br><b>To: </b>"Healeys" &lt;healeys@au=
tox.team.net&gt;<br><b>Sent: </b>Tuesday, April 16, 2024 4:43:25 AM<br><b>S=
ubject: </b>[Healeys] FW: &nbsp;Squealy Brakes<br></div><div><br><style><!-=
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--></style></div><div data-marker=3D"__QUOTED_TEXT__"><div class=3D"WordSec=
tion1"><p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:'ti=
mes new roman' , serif">&nbsp;</span></p><p class=3D"MsoNormal">&nbsp;</p><=
p class=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:'times new =
roman' , serif">I have a BT7 also. (MkII). I had squeaky brakes and found m=
y anti-shim pads to be pretty useless. Worse, in a way, sometimes the brake=
s were quiet and sometimes they really howled!</span></p><p class=3D"MsoNor=
mal"><span style=3D"font-size:12pt;font-family:'times new roman' , serif">A=
nyhow=E2=80=A6..I asked around and did some research which led me to EBC pa=
ds. I think there are two or three materials used=E2=80=A6..depending on wh=
at you use the car for. =E2=80=9CGreenstuff=E2=80=9D is the regular road se=
t and the ones that I use.</span></p><p class=3D"MsoNormal"><span style=3D"=
font-size:12pt;font-family:'times new roman' , serif">According to my files=
(!), &nbsp;the code was DP2141 ie for Girling 14s. (I=E2=80=99ve switched t=
o 16s which take DP2291.)</span></p><p class=3D"MsoPlainText"><span style=
=3D"font-size:12pt;font-family:'times new roman' , serif">And, with particu=
lar regard to anti-shim pads, EBC supply a rubber backing material which yo=
u cut to size yourself. Back to the files:- They describe the material as <=
/span><span style=3D"font-size:12pt;font-family:'aptos' , sans-serif">a " H=
igh performance 200MP pressure sensitive </span></p><p class=3D"MsoPlainTex=
t"><span style=3D"font-size:12pt;font-family:'aptos' , sans-serif">acrylic =
adhesive on 58 lb polycoated kraft paper liner. High temperature formulatio=
n, solvent resistance, shear adhesion and HSE, low LSE. Use for general ind=
ustrial joining. 5.0 mil thick with 4.0 mil</span></p><p class=3D"MsoPlainT=
ext"><span style=3D"font-size:12pt;font-family:'aptos' , sans-serif">liner.=
") &nbsp;The instructions say:- "Cut with scissors to shape required and ap=
ply these shims to the reverse side (painted side) of the brake pads to pre=
vent brake noise. The fibre must cover all areas contacted</span></p><p cla=
ss=3D"MsoPlainText"><span style=3D"font-size:12pt;font-family:'aptos' , san=
s-serif">by the hydraulic pistons or the calliper supports".</span></p><p c=
lass=3D"MsoPlainText"><span style=3D"font-size:12pt;font-family:'aptos' , s=
ans-serif">I see that I=E2=80=99ve been using EBC pads since &nbsp;some yea=
rs before April 2012. They work for me.</span></p><p class=3D"MsoPlainText"=
><span style=3D"font-size:12pt;font-family:'aptos' , sans-serif">I=E2=80=99=
ve attached their installation instructions which are pretty generic=E2=80=
=A6nothing much unique to their pads.</span></p><p class=3D"MsoPlainText"><=
span style=3D"font-size:12pt;font-family:'aptos' , sans-serif">Simon</span>=
</p><p class=3D"MsoPlainText"><span style=3D"font-size:12pt;font-family:'ap=
tos' , sans-serif">&nbsp;</span></p><p class=3D"MsoNormal"><span style=3D"f=
ont-size:12pt;font-family:'times new roman' , serif">&nbsp;</span></p><p cl=
ass=3D"MsoNormal"><span style=3D"font-size:12pt;font-family:'times new roma=
n' , serif">&nbsp;</span></p><div><div style=3D"border:none;border-top:soli=
d #e1e1e1 1pt;padding:3pt 0cm 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=
=3D"EN-US">From:</span></b><span lang=3D"EN-US"> Healeys &lt;<a href=3D"mai=
lto:healeys-bounces@autox.team.net" target=3D"_blank" rel=3D"nofollow noope=
ner noreferrer">healeys-bounces@autox.team.net</a>&gt; <b>On Behalf Of </b>=
m.g.sharp--- via Healeys<br><b>Sent:</b> Tuesday, April 16, 2024 1:26 AM<br=
><b>To:</b> Healey List &lt;<a href=3D"mailto:healeys@autox.team.net"; targe=
t=3D"_blank" rel=3D"nofollow noopener noreferrer">healeys@autox.team.net</a=
>&gt;<br><b>Subject:</b> [Healeys] Squealy Brakes</span></p></div></div><p =
class=3D"MsoNormal">&nbsp;</p><p class=3D"MsoNormal"><span lang=3D"EN-US">H=
i all,&nbsp; I have had intermittent squealy brakes on my BT7 the last year=
 or so.&nbsp; I got it out of hibernation a week ago and the squealing is w=
orse, it seems.&nbsp; I don=E2=80=99t mind heads turning when I pull up at =
a light, but not because it sounds like I just ran over a cat.</span></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;</span></p><p class=3D"MsoN=
ormal"><span lang=3D"EN-US">I put new pads in a few years back and installe=
d the anti-squeal shims, but they did not work. &nbsp;&nbsp;Today I pulled =
out the pads, tossed the shims and lightly rubbed the pads on a sheet of #1=
20 emery on a plate of glass, just to take the sheen of the friction side a=
nd ensure the backs were flat. &nbsp;I took a file and gently broke the lea=
ding and trailing edges of the friction material, as the edges were quite s=
harp and though one could be catching. &nbsp;I then cleaned the pads with b=
rake part cleaner.&nbsp;&nbsp; I also lightly used emery on the disks to re=
move any glaze. &nbsp;&nbsp;I had gone to my local auto parts supplier to s=
ee if&nbsp; they had any anti-squeal shims but they don=E2=80=99t sell them=
 separately from the pads.&nbsp; However, they highly recommended a Permate=
x product with the promising name =E2=80=9CDisc Brake Quiet=E2=80=9D [sic].=
 &nbsp;&nbsp;This I applied per the instructions, spraying it on the back o=
f the pads.&nbsp; I blew the dust out of the calipers and, as best I could,=
 checked the pistons for irregularities where they bear on the pads.&nbsp; =
The calipers were re-built about 5 years ago with stainless pistons and the=
y looked as new.&nbsp; Retaining pins were cleaned and very lightly greased=
.&nbsp; I re-assembled everything and went &nbsp;out for a test drive.</spa=
n></p><p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;</span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US">The results were staggering in that the=
re was no difference whatsoever.</span></p><p class=3D"MsoNormal"><span lan=
g=3D"EN-US">&nbsp;</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">So=
 folks =E2=80=93 any good ideas out there?&nbsp; I am wondering if should s=
witch out the pads, but mine are barely worn and I am not sure I have recor=
d of what I put in, so may end up with the same make.&nbsp; Other than that=
, I am flummoxed.</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">&nb=
sp;</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">All suggestions w=
elcome.</span></p></div><br>_______________________________________________=
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