Subject: [TR] Gasket sealant for sump

From: Dean Mericas <[email-masked]>
Date: Sat, 28 Mar 2020 19:22:33 -0500

I’m resealing the engine and transmission on my TR4 after 20 years of reliable service. 

Today I had a massive failure installing the sump gasket using Hylotyte Red100 sealant. It seems to have weakened the gasket to the point that it tore around several bolt holes as I torqued the bolts. 

Plan B is to thoroughly clean the mating surfaces and use Permatex Ultra Gray, which I’ve generally had good luck with on my Alfa Romeos. 

Before I do that, I wanted to see if any of you can recommend other sealants for this purpose. I only want to do it one more time. 

Thanks. 

Dean
1965 TR-4
Sent from my iPad
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From: DAVID MASSEY <[email-masked]>
Date: Sun, 29 Mar 2020 12:42:55 +0000 (UTC)

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 That's a good point.=C2=A0 It is likely due to over-torquing the bolts.=C2=
=A0 The stamped steel oil pans deform easily and torquing the bolts too muc=
h will pinch the gasket to the point that it will tear.=C2=A0 Do the Alpha'=
s have cast sumps?=C2=A0 Cast sumps do a much better job of distributing th=
e pressure across the length of the span between bolts.=C2=A0 They are much=
 more tolerant of this sort of misapplication.=C2=A0=20

If the gasket it adhered to one surface or the other (either the block or t=
he pan) it will be reinforced and much less likely to fail in this manner.=
=C2=A0 Using Ultra Gray and my two-step tightening procedure should do the =
trick as would using Form-A-Gasket #2 on one side and the two-step procedur=
e again.
=20
=20
Dave=20

=20
=20
-----Original Message-----
From: Jeff Scarbrough <[email-masked]>
To: Triumphs ([email-masked]) <[email-masked]>
Sent: Sun, Mar 29, 2020 7:28 am
Subject: Re: [TR] Gasket sealant for sump

On Sat, Mar 28, 2020 at 8:22 PM Dean Mericas <[email-masked]> wrote:

Today I had a massive failure installing the sump gasket using Hylotyte Red=
100 sealant. It seems to have weakened the gasket to the point that it tore=
 around several bolt holes as I torqued the bolts.=20

This doesn't sound like a sealant problem...=C2=A0 It's made to be a gasket=
 dressing.=C2=A0 How could it weaken a gasket, especially a stout one like =
a sump gasket?=C2=A0** [email-masked] **

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archiv=
e

[email-masked]

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<div style=3D"color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size=3D"3">That's a good point.&nbsp; It is likely due to over-=
torquing the bolts.&nbsp; The stamped steel oil pans deform easily and torq=
uing the bolts too much will pinch the gasket to the point that it will tea=
r.&nbsp; Do the Alpha's have cast sumps?&nbsp; Cast sumps do a much better =
job of distributing the pressure across the length of the span between bolt=
s.&nbsp; They are much more tolerant of this sort of misapplication.&nbsp; =
<br>
</font></div>

<div><font size=3D"3"><br>
</font></div>

<div><font size=3D"3">If the gasket it adhered to one surface or the other =
(either the block or the pan) it will be reinforced and much less likely to=
 fail in this manner.&nbsp; Using Ultra Gray and my two-step tightening pro=
cedure should do the trick as would using Form-A-Gasket #2 on one side and =
the two-step procedure again.</font><br>
</div>

<div> <br>
</div>

<div> <br>
</div>

<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>

<div> <br>
</div>

<div> <br>
</div>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: Jeff Scarbrough &lt;[email-masked]&gt;<br>
To: Triumphs ([email-masked]) &lt;[email-masked]&gt;<br>
Sent: Sun, Mar 29, 2020 7:28 am<br>
Subject: Re: [TR] Gasket sealant for sump<br>
<br>

<div id=3D"yiv9708324978">
<div>
<div dir=3D"ltr">
<div dir=3D"ltr"><br clear=3D"none"></div>
<br clear=3D"none">
<div class=3D"yiv9708324978gmail_quote">
<div class=3D"yiv9708324978yqt5052722743" id=3D"yiv9708324978yqtfd45038">
<div class=3D"yiv9708324978gmail_attr" dir=3D"ltr">On Sat, Mar 28, 2020 at =
8:22 PM Dean Mericas &lt;<a rel=3D"noopener noreferrer" shape=3D"rect" ymai=
lto=3D"mailto:[email-masked]" target=3D"_blank" removedlink__bbabc21f-6=
e4f-4ab3-bc8f-0b7f3d12d121__href=3D"mailto:[email-masked]">dmericas@gma=
il.com</a>&gt; wrote:<br clear=3D"none"></div>
</div>
<blockquote class=3D"yiv9708324978gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div class=3D"yiv9708324978yqt5052722743" id=3D"yiv9708324978yqtfd60509"><b=
r clear=3D"none">
Today I had a massive failure installing the sump gasket using Hylotyte Red=
100 sealant. It seems to have weakened the gasket to the point that it tore=
 around several bolt holes as I torqued the bolts. </div>
<br clear=3D"none"></blockquote>
<div><br clear=3D"none"></div>

<div>This doesn't sound like a sealant problem...&nbsp; It's made to be a g=
asket dressing.&nbsp; How could it weaken a gasket, especially a stout one =
like a sump gasket?&nbsp;</div>
</div>
</div>
</div>
</div>

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