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Osf Flexi To Banjo Connection


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#1 Mini 360

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Posted 24 October 2020 - 03:56 PM

Hi all,

I'm having a pretty frustrating problem trying to bleed my brakes. What should be a simple thing is proving to be a nightmare.

The front banjo to flexi connection seeped pretty badly when I went to bleed the brakes so I replaced the banjo bolt with fresh copper washers.

I went to bleed them again and still leaked badly. So I tightened it up, retried, tightened, retried etc and even at the last try it still leaked. I tried so many times that I've now ended up snapping the banjo bolt in the Flexi.

I have no idea why it keeps leaking but I'm getting rather fed up of it now.

Anything I'm missing?

#2 panky

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Posted 24 October 2020 - 04:01 PM

Did you anneal the copper washers before you fitted them?



#3 Mini 360

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Posted 24 October 2020 - 04:14 PM

Did you anneal the copper washers before you fitted them?

No as that isn't something that should have to be done with a washer from Minispares.

#4 Maccmike8

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Posted 24 October 2020 - 04:37 PM

Yeah you shouldnt have to mess with the washer when they are new. My only guess would be some corrosion on one of the faces or a hair line crack in the banjo.



#5 Dusky

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Posted 24 October 2020 - 05:01 PM

Minispares catalog used to be wrong for that part. You needed 2 different size copper washers. I had that problem a few years back. Proper size washer cured it.

#6 richmondclassicsnorthwales

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Posted 24 October 2020 - 05:01 PM

Sometimes what you have to do is to double up on the copper washers on the brass 2 / 3 way union.

 

The thread inside the flexi hose is not deep enough sometimes to take the length of the banjo bolt

 

Adding 2 washers below the brass union, against the hose,  then 2 washers against the head of the banjo.

 

This should solve your problem

 

The copper washers needed are 233220A and 3H550 if I remember rightly. The banjo is C5192A


Edited by richmondclassicsnorthwales, 24 October 2020 - 05:09 PM.


#7 nicklouse

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Posted 24 October 2020 - 05:10 PM

As mentioned some flexi hoses are handed. Deep drilling for the banjo side and standard sorter drilling on the opposite side.

 

I would be checking the other side as well.






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