Forum search & shortcuts

Ok to pull barb out...
 

Ok to pull barb out Shimano hose?

Posts: 838
Free Member
Topic starter
 
[#12457451]

I haven't much spare length on front Shimano brake hose so don't want to trim. I have new barb and olive to fit. Ok to pull out old with pliers? Don't want to bugger up hose and wreck seal on new lever. ?


 
Posted : 11/07/2022 12:56 pm
Posts: 7495
Full Member
 

Yep, be fine. Once you do the nut up the new olive will seal it. (Unless you have damaged the hose, of course 🙂 )


 
Posted : 11/07/2022 1:27 pm
Posts: 838
Free Member
Topic starter
 

Thanks. I cut it in the end. Hopefully hose is long enough. I tried pulling it out but it felt like I was pulling really hard and I worried about hose.


 
Posted : 11/07/2022 1:30 pm
Posts: 12350
Full Member
 

I would try it and if any of the inner layer cones out with it or looks deformed at the end then trim. I think you'll have more of an issue removing the old olive though. First I'd just refit the hose with the same olive and barb if they're not damaged. Whatever slightly bodged approach I took would be giving the brake max power stationary then doing some good hard stops in an area with nothing to crash into. I am not particularly risk averse with this kind of thing though, this is not professional advice.

Sure you can't do it properly? If you've not got enough spare to cut off the 10mm or so needed to do it right, your hose is probably really too short.

edit - too slow!


 
Posted : 11/07/2022 1:31 pm
Posts: 7495
Full Member
 

Not easy to get enough grip on the hose.. Move the brake lever in a bit if you're (ahem) struggling for length 😛


 
Posted : 11/07/2022 1:31 pm
Posts: 1857
Free Member
 

sounds like a near impossible mission....... youd need to cut off the olive first, and then try to grip the barb, in all honesty.. you be better to lose the 15mm of hose id have thought


 
Posted : 11/07/2022 1:43 pm
Posts: 13880
Free Member
 

I do like the split olive Hope use for this reason, shame other manufacturers don't do the same.


 
Posted : 11/07/2022 1:56 pm
Posts: 3357
Free Member
 

I pulled one out recently with no issues though I didn't reuse it or the olive.

It helps to use the yellow hose clamping blocks to support it in a vice a bit further down the tube. Keeps it nice and stable so you can get a blade in under the flange and work it around.


 
Posted : 11/07/2022 2:43 pm
Posts: 347
Free Member
 

I just did this. Better to get a blade in and pry it out rather than grip and pull with pliers


 
Posted : 11/07/2022 2:49 pm
Posts: 3357
Free Member
 

tabletop2
Better to get a blade in and pry it out rather than grip and pull with pliers

This is what I was trying to say. ;o)

Ooh and I think I ended up cutting a slot in the olive with a triangular needle file to free it. I'm not even sure why, as I'm sure that I was cutting the hose anyway. Maybe I just wanted to see if it could be done?


 
Posted : 11/07/2022 3:49 pm
Posts: 838
Free Member
Topic starter
 

Wanted to use old barb and olive. But the new xtr lever annoyingly has new shape rubber hood (if that's what it's called) and so I had to take off old hood. Which doesn't fit past attached olive! I suppose I should be grateful old hoses fit in these times of ever changing standards!


 
Posted : 11/07/2022 3:56 pm
Posts: 7495
Full Member
 

Wanted to use old barb and olive.

Oh, well you didn't say that...! I wouldn't do that, speshly not the olive. Risk leaky brakes oh no.


 
Posted : 11/07/2022 4:50 pm