Subject: Re: [TR] Which threadlocker color for wet-liner four AC fuel pump diaphragm cover screws?

From: <[email-masked]>
Date: Mon, 6 Oct 2025 15:18:48 -0400

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Seems to me those machine screws had lock washers under the head and =
maybe hard to tell, but your picture seems to not show a washer.

=20

Keith

=20

Keith Stewart

World of Triumph https://keith-stewart.ca/=20

=20

=20

=20

=20

From: Don Hiscock <[email-masked]>=20
Sent: October 6, 2025 1:20 PM
To: Triumphs list <[email-masked]>
Subject: [TR] Which threadlocker color for wet-liner four AC fuel pump =
diaphragm cover screws?

=20

For some unknown reason, after ten years or more in the TR3B the machine =
screws that hold down the top of the diaphragm cover on the original AC =
fuel pump have started working loose as the car is driven.  Gasoline =
then seeps slowly from the edge of the diaphragm due to the pressure =
head in the tank.  Very odd.  The first time I was willing to chalk up =
to a one-off.  But now it's a trend.=20

=20

There's only so tight one wants go go on those screws without distorting =
the diecasting, and I'm probably a little past where I feel comfortable =
now.

Seems like a case for a threadlocking compound.  I'm guessing purple =
Locktite might do the trick -- it shouldn't take much.  Has anyone been =
down this road ahead of me?

=20

https://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJv=
mJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg

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--></style></head><body lang=3DEN-CA link=3Dblue vlink=3Dpurple =
style=3D'word-wrap:break-word'><div class=3DWordSection1><p =
class=3DMsoPlainText>Seems to me those machine screws had lock washers =
under the head and maybe hard to tell, but your picture seems to not =
show a washer.<o:p></o:p></p><p =
class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p =
class=3DMsoPlainText>Keith<o:p></o:p></p><p =
class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoPlainText>Keith =
Stewart<o:p></o:p></p><p class=3DMsoPlainText><a =
href=3D"mailto:[email-masked]">[email-masked]</a><o:p></o:p=
></p><p class=3DMsoPlainText>World of Triumph <a =
href=3D"https://keith-stewart.ca/">https://keith-stewart.ca/</a> =
<o:p></o:p></p><p class=3DMsoPlainText>=C2=A0<o:p></o:p></p><p =
class=3DMsoPlainText><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> Don Hiscock =
&lt;[email-masked]&gt; <br><b>Sent:</b> October 6, 2025 1:20 =
PM<br><b>To:</b> Triumphs list =
&lt;[email-masked]&gt;<br><b>Subject:</b> [TR] Which =
threadlocker color for wet-liner four AC fuel pump diaphragm cover =
screws?<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>For some unknown reason, after ten years or more in =
the TR3B the machine screws that hold down the top of the diaphragm =
cover on the original AC fuel pump have started working loose as the car =
is driven.&nbsp; Gasoline then seeps slowly from the edge of the =
diaphragm due to the pressure head in the tank.&nbsp; Very odd.&nbsp; =
The first time I was willing to chalk up to a one-off.&nbsp; But now =
it's a trend.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>There's only so tight one wants go go on those screws =
without distorting the diecasting, and I'm probably a little past where =
I feel comfortable now.<br><br>Seems like a case for a threadlocking =
compound.&nbsp; I'm guessing purple Locktite might do the trick -- it =
shouldn't take much.&nbsp; Has anyone been down this road ahead of =
me?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal><a =
href=3D"https://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR=
8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg">https://photos.smugmug.com/ph=
otos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q-X=
5.jpg</a><o:p></o:p></p></div></div></div></body></html>
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** [email-masked] **

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archive

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From: Don Hiscock <[email-masked]>
Date: Mon, 6 Oct 2025 13:35:24 -0600

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Let me check that, Keith.  Yes, lockwashers would make sense.  I'm sure I
put back everything I took off when I replaced the diaphragm, but who knows
what happened before me.  Thx --

On Mon, Oct 6, 2025 at 1:18=E2=80=AFPM <[email-masked]> wrote:

> Seems to me those machine screws had lock washers under the head and mayb=
e
> hard to tell, but your picture seems to not show a washer.
>
>
>
> Keith
>
>
>
> Keith Stewart
>
> [email-masked]
>
> World of Triumph https://keith-stewart.ca/
>
>
>
>
>
>
>
>
>
> *From:* Don Hiscock <[email-masked]>
> *Sent:* October 6, 2025 1:20 PM
> *To:* Triumphs list <[email-masked]>
> *Subject:* [TR] Which threadlocker color for wet-liner four AC fuel pump
> diaphragm cover screws?
>
>
>
> For some unknown reason, after ten years or more in the TR3B the machine
> screws that hold down the top of the diaphragm cover on the original AC
> fuel pump have started working loose as the car is driven.  Gasoline then
> seeps slowly from the edge of the diaphragm due to the pressure head in t=
he
> tank.  Very odd.  The first time I was willing to chalk up to a one-off.
> But now it's a trend.
>
>
>
> There's only so tight one wants go go on those screws without distorting
> the diecasting, and I'm probably a little past where I feel comfortable n=
ow.
>
> Seems like a case for a threadlocking compound.  I'm guessing purple
> Locktite might do the trick -- it shouldn't take much.  Has anyone been

--0000000000002ada120640828e4b
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Let=
 me check that, Keith.=C2=A0 Yes, lockwashers would make sense.=C2=A0 I&#39=
;m sure I put back everything I took off when I replaced the diaphragm, but=
 who knows what happened before me.=C2=A0 Thx --</div></div><br><div class=
=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr=
">On Mon, Oct 6, 2025 at 1:18=E2=80=AFPM &lt;<a href=3D"mailto:keithstewart=
@bell.net">[email-masked]</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div class=3D"msg7430065911570231231"><div=
 lang=3D"EN-CA" style=3D"overflow-wrap: break-word;"><div class=3D"m_743006=
5911570231231WordSection1"><p class=3D"m_7430065911570231231MsoPlainText">S=
eems to me those machine screws had lock washers under the head and maybe h=
ard to tell, but your picture seems to not show a washer.<u></u><u></u></p>=
<p class=3D"m_7430065911570231231MsoPlainText"><u></u>=C2=A0<u></u></p><p c=
lass=3D"m_7430065911570231231MsoPlainText">Keith<u></u><u></u></p><p class=
=3D"m_7430065911570231231MsoPlainText"><u></u>=C2=A0<u></u></p><p class=3D"=
m_7430065911570231231MsoPlainText">Keith Stewart<u></u><u></u></p><p class=
=3D"m_7430065911570231231MsoPlainText"><a href=3D"mailto:keithstewart@bell.=
net" target=3D"_blank">[email-masked]</a><u></u><u></u></p><p class=
=3D"m_7430065911570231231MsoPlainText">World of Triumph <a href=3D"https://=
keith-stewart.ca/" target=3D"_blank">https://keith-stewart.ca/</a> <u></u><=
u></u></p><p class=3D"m_7430065911570231231MsoPlainText">=C2=A0<u></u><u></=
u></p><p class=3D"m_7430065911570231231MsoPlainText"><u></u>=C2=A0<u></u></=
p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p><p class=3D"M=
soNormal"><span><u></u>=C2=A0<u></u></span></p><div style=3D"border-right:n=
one;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,22=
5);padding:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"EN-US" styl=
e=3D"font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span l=
ang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif"> Don =
Hiscock &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">don.=
[email-masked]</a>&gt; <br><b>Sent:</b> October 6, 2025 1:20 PM<br><b>To=
:</b> Triumphs list &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt;<br><b>Subject:</b> [TR] Which t=
hreadlocker color for wet-liner four AC fuel pump diaphragm cover screws?<u=
></u><u></u></span></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p=
><div><div><p class=3D"MsoNormal">For some unknown reason, after ten years =
or more in the TR3B the machine screws that hold down the top of the diaphr=
agm cover on the original AC fuel pump have started working loose as the ca=
r is driven.=C2=A0 Gasoline then seeps slowly from the edge of the diaphrag=
m due to the pressure head in the tank.=C2=A0 Very odd.=C2=A0 The first tim=
e I was willing to chalk up to a one-off.=C2=A0 But now it&#39;s a trend.=
=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u><=
/u></p></div><div><p class=3D"MsoNormal">There&#39;s only so tight one want=
s go go on those screws without distorting the diecasting, and I&#39;m prob=
ably a little past where I feel comfortable now.<br><br>Seems like a case f=
or a threadlocking compound.=C2=A0 I&#39;m guessing purple Locktite might d=
o the trick -- it shouldn&#39;t take much.=C2=A0 Has anyone been down this =
road ahead of me?<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u=
>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal"><a href=3D"https://phot=
os.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJvmJHxd74ZVFkQLS=
/X5/i-QWD7M6q-X5.jpg" target=3D"_blank">https://photos.smugmug.com/photos/i=
-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg</a=
><u></u><u></u></p></div></div></div></div></div></blockquote></div>

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From: <[email-masked]>
Date: Mon, 6 Oct 2025 16:30:14 -0400

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As shown here:

=20

Keith

Keith Stewart

World of Triumph  <https://keith-stewart.ca/> https://keith-stewart.ca/=20

=20

=20

=20

=20

From: Don Hiscock <[email-masked]>=20
Sent: October 6, 2025 3:35 PM
To: [email-masked]
Cc: Triumphs list <[email-masked]>
Subject: Re: [TR] Which threadlocker color for wet-liner four AC fuel =
pump diaphragm cover screws?

=20

Let me check that, Keith.  Yes, lockwashers would make sense.  I'm sure =
I put back everything I took off when I replaced the diaphragm, but who =
knows what happened before me.  Thx --

=20

On Mon, Oct 6, 2025 at 1:18=E2=80=AFPM <[email-masked] =

=20

Keith

=20

Keith Stewart

=20

=20

=20

=20

Sent: October 6, 2025 1:20 PM
To: Triumphs list <[email-masked] =
Subject: [TR] Which threadlocker color for wet-liner four AC fuel pump =
diaphragm cover screws?

=20

=20

=20

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style=3D'word-wrap:break-word'><div class=3DWordSection1><p =
class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>As shown =
here:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><img width=3D349 height=3D434 =
style=3D'width:3.6354in;height:4.5208in' id=3D"Picture_x0020_1" =
src=3D"cid:[email-masked]"></span><span =
style=3D'mso-fareast-language:EN-US'><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>Keith</span><o:p></o:p></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>Keith =
Stewart<o:p></o:p></span></p><p class=3DMsoNormal><a =
href=3D"mailto:[email-masked]"><span =
style=3D'font-size:11.0pt;color:#467886'>[email-masked]</span></a>=
<span style=3D'font-size:11.0pt'><o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'font-size:11.0pt'>World of Triumph =
</span><a href=3D"https://keith-stewart.ca/"><span =
style=3D'font-size:11.0pt;color:#467886'>https://keith-stewart.ca/</span>=
</a><span style=3D'font-size:11.0pt'> <o:p></o:p></span></p><p =
class=3DMsoNormal>=C2=A0<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> Don Hiscock =
&lt;[email-masked]&gt; <br><b>Sent:</b> October 6, 2025 3:35 =
PM<br><b>To:</b> [email-masked]<br><b>Cc:</b> Triumphs list =
&lt;[email-masked]&gt;<br><b>Subject:</b> Re: [TR] Which =
threadlocker color for wet-liner four AC fuel pump diaphragm cover =
screws?<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>Let me check that, Keith.&nbsp; Yes, lockwashers would =
make sense.&nbsp; I'm sure I put back everything I took off when I =
replaced the diaphragm, but who knows what happened before me.&nbsp; Thx =
--<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Mon, Oct 6, 2025 at 1:18<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>PM &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><div><p =
class=3Dm7430065911570231231msoplaintext>Seems to me those machine =
screws had lock washers under the head and maybe hard to tell, but your =
picture seems to not show a washer.<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>&nbsp;<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>Keith<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>&nbsp;<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>Keith Stewart<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext><a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a><o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>World of Triumph <a =
href=3D"https://keith-stewart.ca/" =
target=3D"_blank">https://keith-stewart.ca/</a> <o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>&nbsp;<o:p></o:p></p><p =
class=3Dm7430065911570231231msoplaintext>&nbsp;<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span =
lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span lang=3DEN-US =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> Don Hiscock =
&lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; <br><b>Sent:</b> October =
6, 2025 1:20 PM<br><b>To:</b> Triumphs list &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br><b>Subject:</b> =
[TR] Which threadlocker color for wet-liner four AC fuel pump diaphragm =
cover screws?</span><o:p></o:p></p></div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For some =
unknown reason, after ten years or more in the TR3B the machine screws =
that hold down the top of the diaphragm cover on the original AC fuel =
pump have started working loose as the car is driven.&nbsp; Gasoline =
then seeps slowly from the edge of the diaphragm due to the pressure =
head in the tank.&nbsp; Very odd.&nbsp; The first time I was willing to =
chalk up to a one-off.&nbsp; But now it's a =
trend.&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>There's =
only so tight one wants go go on those screws without distorting the =
diecasting, and I'm probably a little past where I feel comfortable =
now.<br><br>Seems like a case for a threadlocking compound.&nbsp; I'm =
guessing purple Locktite might do the trick -- it shouldn't take =
much.&nbsp; Has anyone been down this road ahead of =
me?<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a =
href=3D"https://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR=
8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg" =
target=3D"_blank">https://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk=
6ZV6VHFPGR8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg</a><o:p></o:p></p></=
div></div></div></div></div></blockquote></div></div></body></html>
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---

From: David Templeton <[email-masked]>
Date: Mon, 6 Oct 2025 16:44:04 -0400

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need to go and find photos :-)    Lock washers

https://www.facebook.com/photo/?fbid=3D10159241057656960&set=3Dpb.589451959=
.-2207520000

david

On Mon, Oct 6, 2025 at 4:20=E2=80=AFPM Don Hiscock <[email-masked]> =
wrote:

> put back everything I took off when I replaced the diaphragm, but who kno=
ws
>> Seems to me those machine screws had lock washers under the head and
>> fuel pump have started working loose as the car is driven.  Gasoline the=
n
>> seeps slowly from the edge of the diaphragm due to the pressure head in =
the
now.
>> https://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJ=
vmJHxd74ZVFkQLS/X5/i-QWD7M6q-X5.jpg
> Donate: http://www.team.net/donate.html
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/[email-masked]
>

--=20
Regards
David Templeton
Ontario, Canada
1959 TR3a TS54226L
1974 Spitsix FM10491L
1980 TR7 TCT101153UMF

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:tahoma,s=
ans-serif">need to go and find photos :-)=C2=A0 =C2=A0 Lock washers=C2=A0<b=
r><br><img src=3D"cid:ii_mgflm6c20" alt=3D"image.png" width=3D"535" height=
=3D"318"><br><br><a href=3D"https://www.facebook.com/photo/?fbid=3D10159241=
057656960&amp;set=3Dpb.589451959.-2207520000">https://www.facebook.com/phot=
o/?fbid=3D10159241057656960&amp;set=3Dpb.589451959.-2207520000</a><br><br>d=
avid=C2=A0</div></div><br><div class=3D"gmail_quote gmail_quote_container">=
<div dir=3D"ltr" class=3D"gmail_attr">On Mon, Oct 6, 2025 at 4:20=E2=80=AFP=
M Don Hiscock &lt;<a href=3D"mailto:[email-masked]">don.hiscock@gmai=
l.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:=
1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small=
">Let me check that, Keith.=C2=A0 Yes, lockwashers would make sense.=C2=A0 =
I&#39;m sure I put back everything I took off when I replaced the diaphragm=
, but who knows what happened before me.=C2=A0 Thx --</div></div><br><div c=
lass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Oct 6, 2=
025 at 1:18=E2=80=AFPM &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex"><div><div lang=3D"EN-CA"><div><p>Seems to =
me those machine screws had lock washers under the head and maybe hard to t=
ell, but your picture seems to not show a washer.<u></u><u></u></p><p><u></=
u>=C2=A0<u></u></p><p>Keith<u></u><u></u></p><p><u></u>=C2=A0<u></u></p><p>=
Keith Stewart<u></u><u></u></p><p><a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a><u></u><u></u></p><p>World of Tr=
iumph <a href=3D"https://keith-stewart.ca/" target=3D"_blank">https://keith=
-stewart.ca/</a> <u></u><u></u></p><p>=C2=A0<u></u><u></u></p><p><u></u>=C2=
=A0<u></u></p><p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p><=
p class=3D"MsoNormal"><span><u></u>=C2=A0<u></u></span></p><div style=3D"bo=
rder-right:none;border-bottom:none;border-left:none;border-top:1pt solid rg=
b(225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D=
"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif">From:</span=
></b><span lang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-=
serif"> Don Hiscock &lt;<a href=3D"mailto:[email-masked]" target=3D"=
_blank">[email-masked]</a>&gt; <br><b>Sent:</b> October 6, 2025 1:20=
 PM<br><b>To:</b> Triumphs list &lt;<a href=3D"mailto:[email-masked]=
et" target=3D"_blank">[email-masked]</a>&gt;<br><b>Subject:</b> [T=
R] Which threadlocker color for wet-liner four AC fuel pump diaphragm cover=
 screws?<u></u><u></u></span></p></div><p class=3D"MsoNormal"><u></u>=C2=A0=
<u></u></p><div><div><p class=3D"MsoNormal">For some unknown reason, after =
ten years or more in the TR3B the machine screws that hold down the top of =
the diaphragm cover on the original AC fuel pump have started working loose=
 as the car is driven.=C2=A0 Gasoline then seeps slowly from the edge of th=
e diaphragm due to the pressure head in the tank.=C2=A0 Very odd.=C2=A0 The=
 first time I was willing to chalk up to a one-off.=C2=A0 But now it&#39;s =
a trend.=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p></div><div><p class=3D"MsoNormal">There&#39;s only so tigh=
t one wants go go on those screws without distorting the diecasting, and I&=
#39;m probably a little past where I feel comfortable now.<br><br>Seems lik=
e a case for a threadlocking compound.=C2=A0 I&#39;m guessing purple Lockti=
te might do the trick -- it shouldn&#39;t take much.=C2=A0 Has anyone been =
down this road ahead of me?<u></u><u></u></p></div><div><p class=3D"MsoNorm=
al"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal"><a href=3D"ht=
tps://photos.smugmug.com/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJvmJHx=
d74ZVFkQLS/X5/i-QWD7M6q-X5.jpg" target=3D"_blank">https://photos.smugmug.co=
m/photos/i-QWD7M6q/0/KGTMZ64Lk6ZV6VHFPGR8PKkQNJvmJHxd74ZVFkQLS/X5/i-QWD7M6q=
-X5.jpg</a><u></u><u></u></p></div></div></div></div></div></blockquote></d=
iv>
** <a href=3D"mailto:[email-masked]" target=3D"_blank">triumphs@au=
tox.team.net</a> **<br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs" rel=3D"noreferr=
er" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=C2=A0 <a h=
ref=3D"http://www.team.net/archive" rel=3D"noreferrer" target=3D"_blank">ht=
tp://www.team.net/archive</a><br>
<br>
hs/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://au=
tox.team.net/mailman/options/triumphs/[email-masked]</a><br>
</blockquote></div><div><br clear=3D"all"></div><div><br></div><span class=
=3D"gmail_signature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_s=
ignature"><div dir=3D"ltr"><div><div dir=3D"ltr"><font face=3D"tahoma, sans=
-serif">Regards</font><div><font face=3D"tahoma, sans-serif">David Templeto=
n</font></div><div><font face=3D"tahoma, sans-serif">Ontario, Canada</font>=
</div><div><font face=3D"tahoma, sans-serif">1959 TR3a=C2=A0TS54226L</font>=
</div><div><font face=3D"tahoma, sans-serif">1974 Spitsix=C2=A0<span style=
=3D"color:rgb(84,84,84)">FM10491L</span></font></div><div><font face=3D"tah=
oma, sans-serif"><span style=3D"color:rgb(84,84,84)">1980 TR7 TCT101153UMF<=
/span></font></div></div></div></div></div>

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---

From: <[email-masked]>
Date: Mon, 6 Oct 2025 16:55:50 -0400 boundary="----=_NextPart_000_043C_01DC36E2.121CFA30"

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=E2=80=A6 and also here:

=20

=20

From: [email-masked] <[email-masked]>=20
Sent: October 6, 2025 4:30 PM
To: 'Don Hiscock' <[email-masked]>
Cc: 'Triumphs list' <[email-masked]>
Subject: RE: [TR] Which threadlocker color for wet-liner four AC fuel =
pump diaphragm cover screws?

=20

As shown here:

=20

Keith

Keith Stewart

=20

=20

=20

=20

Sent: October 6, 2025 3:35 PM
Cc: Triumphs list <[email-masked] =
Subject: Re: [TR] Which threadlocker color for wet-liner four AC fuel =
pump diaphragm cover screws?

=20

=20

=20

Keith

=20

Keith Stewart

=20

=20

=20

=20

=20

=20

=20

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span.EmailStyle21
	font-size:10.0pt;
	mso-ligatures:none;}
class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>=E2=80=A6 =
and also here:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
[email-masked] &lt;[email-masked]&gt; <br><b>Sent:</b> =
October 6, 2025 4:30 PM<br><b>To:</b> 'Don Hiscock' =
&lt;[email-masked]&gt;<br><b>Cc:</b> 'Triumphs list' =
&lt;[email-masked]&gt;<br><b>Subject:</b> RE: [TR] Which =
screws?<o:p></o:p></span></p></div></div><p =
style=3D'mso-fareast-language:EN-US'>As shown =
src=3D"cid:[email-masked]"></span><span =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p =
&lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
<br><b>Sent:</b> October 6, 2025 3:35 PM<br><b>To:</b> <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br><b>Cc:=
</b> Triumphs list &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<b=
r><b>Subject:</b> Re: [TR] Which threadlocker color for wet-liner four =
AC fuel pump diaphragm cover screws?<o:p></o:p></span></p></div><p =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><div><div><p class=3Dm7430065911570231231msoplaintext>Seems =
to me those machine screws had lock washers under the head and maybe =
hard to tell, but your picture seems to not show a =
washer.<o:p></o:p></p><p =
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