Replacing a cracked sight glass on a clutch master cylinder, what sealant is gonna hold up against the brake fluid?
God's Evil Twin
Replacing a cracked sight glass on a clutch master cylinder, what sealant is gonna hold up against the brake fluid?
Science Is But An Organized System Of Ignorance"Pornography: The thing with billions of views that nobody watches" - WhiteManBehindADesk
Low personal B.M.E.P.
If the rubber is in good nick you shouldn't need any....use rubbergrease/brake caliper grease to lube the rubber to ease it back into place.Originally Posted by Scuba_Steve
The only sealant I've ever found to stand up to alky fuel - not dissimilar to your prob - was Loctite master gasket.
Slapper?
From memory its Loctite 592.
Be the person your dog thinks you are...
God's Evil Twin
Aint no rubber there, twas just a piece of plastic glued into a hole... Problem I'm having is said piece of plastic now has a hole in it
Science Is But An Organized System Of Ignorance"Pornography: The thing with billions of views that nobody watches" - WhiteManBehindADesk
Embracing mediocrity
Mate of mine had the same problem, covered it over with JBweld, didn't leak but obviously couldn't see through it any more. Works if you don't mind taking the top off to check the level.
Riding cheap crappy old bikes badly since 1987
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God's Evil Twin
How long ago was that? is it still holding?
I haven't been able to see into it for the past 3yrs, it's been yellowed & cracked to shit the past 6mths I've been covering the face with grey RTV silicone &/ epoxy... so vision isn't important to me especially on the clutch side
I might try & have it so I can see the brake one when I get round to replacing it but that hasn't failed... yet
Science Is But An Organized System Of Ignorance"Pornography: The thing with billions of views that nobody watches" - WhiteManBehindADesk
salty dog
What about bolt , nut and a couple of washers......?
knock out rest of plastic.
with or without a bit of rubber (old tube?) In between....
Opinions are like arseholes: Everybody has got one, but that doesn't mean you got to air it in public all the time....
God's Evil Twin
Well here's the old sight glass
And here's the new one
I went with a Permatex "cold wield" for the sealant 1c for the seal, it's holding for the moment so here's hoping it lasts.
I've also learnt I'm not a fan of having to bleed air outta lines
Science Is But An Organized System Of Ignorance"Pornography: The thing with billions of views that nobody watches" - WhiteManBehindADesk
Forum whore
Haha looks good. Although your comments don't inspire confidence (OK so far....)
I'd be having a look around ebay for a replacement maybe
Que?
You'd better watch out for inflation.
God's Evil Twin
The "so far" comment was because I've only just put it back together tonight
Did the repair yesterday, cold wield takes 16hrs to cure so only just gone back together tonight everything's holding up for the mo, but then my "temp fix" with RTV silicone took 3 months to fail so I'll give it sometime before I call it a complete success
... tho I don't see any reason this should fail (unless brake fluid eats 1c coins)
Science Is But An Organized System Of Ignorance"Pornography: The thing with billions of views that nobody watches" - WhiteManBehindADesk
Hardcore Biker
There is a product called Q Bond which is basically a superglue with filler powder.
It kicks arse for this kind of oddball thing.
There are other Si,liar products but I can't remember what they're called
"I don't like it, and I'm sorry I ever had anything to do with it." -- Erwin Schrodinger talking about quantum mechanics.
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