Author Topic: Oil tank outlet seal  (Read 424 times)

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Offline MitchB

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Oil tank outlet seal
« on: April 12, 2018, 09:15:42 AM »
Howdy

My B-stone GTR project is nearing completion but I have one nagging issue...

I cannot get the outlet on the bottom of the oil tank to seal. The threaded flange/port is not cracked. I think I just need to have the correct seal on the bolt / banjo fitting. Is there a readily available sealing washer outside of hoping to find a 40 year old NOS sealing washer(s)..?

Offline hardy

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Re: Oil tank outlet seal
« Reply #1 on: April 12, 2018, 09:11:47 PM »
I used bonded seals/ dowty seals on the banjo. Your local oring suppler should be able to assist.

They were M8 or M10, I don’t remember.

Offline davis

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Re: Oil tank outlet seal
« Reply #2 on: April 13, 2018, 07:47:32 PM »
Good idea Hardy. So far the fibre washers I've used are holding well. Will take a hard look at any more tanks to make sure they have a smooth, flat surface before painting. I've also cured leaks from aluminum washers by sanding them smooth on both sides before installation, if used washers are necessary.

- Bob

Offline MitchB

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Re: Oil tank outlet seal
« Reply #3 on: April 26, 2018, 05:02:08 PM »
Well, as turned out, it wasn’t the bolt. It was the sight window. The rubber was significantly degraded, and the leaking oil went to the lowest point - the bolt.
Replaced with NOS and all is dry.

 


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