[TR] Gasket sealant for sump

[Alex & Janet Thomson]

I have used Permatex Ultra Black on a number of occasions and have had good luck. Disassembly of items cemented together with this product can be challenging, though. Maybe I should try the "ultra-gray". I find things work best if you can insert a couple of studs into the larger half of whatever is being assembled so that the attached item goes on straight, without any sideways movement. I have found that large gaskets for tractor transmission castings have gotten really expensive ($50 plus) and then sometimes they either come damaged from shipping, crack & break when being installed, or holes don't line up properly for bolts. As a result, I tend to use the "gasket-in-a-tube" approach more than ever. Sometimes I find it challenging to decide what product to buy - there are so many.

Alex Thomson

-----Original Message-----
From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of Dean Mericas
Sent: Saturday, March 28, 2020 8:23 PM
To: triumphs at autox.team.net
Subject: [TR] Gasket sealant for sump

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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