[TR] TR3 gearbox oil leak

[David Porter]

Gear oil, in my experience (and Triumphs), is not acceptable for 
transmission use.
Just saying..
DaveP

On 12/1/2015 11:45 AM, Jonas Payne wrote:
> I haven't had any luck with permatex's RTV specifically designed for gear
> oil either.
>
> I rebuilt 3 transmissions at the same time ignorant to the fact that the
> standard stuff doesn't work with gear oil (not the product's fault, wrong
> application and therefore my stupidity).
>
> I rebuilt them again using the stuff specifically formulated for gear oil,
> and within 6 months, they all failed.  All mating surfaces were surgically
> clean, so I can't blame the wrong application or sloppy workmanship in the
> 2nd case.
>
> The only reason I bring it up is that I'm reasonably certain that there are
> some folks out there who have 1) either made the same mistake or 2) will
> make the same mistake in the future.
>
> I have also had opportunity to re-do a lot of "professional" work where
> supposedly competent mechanics are ignorant to the aforementioned
> applications / problems and like to use RTV as an all purpose "goop" on
> everything from fuel systems and drive lines to weather stripping.
>
> I concur with your Hylomar recommendation.  I now use hylomar and / or an
> RTV product called "moto seal", which are working to great effect.
>
>
> Jonas Payne
> PBR Consulting Services, LLC
> 702.882.6711
>
>
> -----Original Message-----
> From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of Randall
> Sent: Monday, November 30, 2015 7:45 PM
> To: triumphs at autox.team.net
> Subject: Re: [TR] TR3 gearbox oil leak
>
>> If they used RTV as a sealant, the gear oil has caused it to fail and
>> it will leak like a sieve.
> Not all RTV is the same, some formulations are specifically designed to deal
> with gear oil.
> http://www.permatex.com/products-2/product-categories/gasketing/gasket-maker
> s/permatex-gear-oil-rtv-gasket-maker-detail
>
> (Besides which, I was using VR1 at the time.)
>
> However, I was not recommending buttering the outside with RTV as a
> permanent repair method, merely reporting what I did as a temporary fix.  I
> still dislike RTV for most applications, the new OD went together with
> Hylomar.
>
> Randall
>
>
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-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/