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Bikes, Hints'n'Tips => FZS600 Fazer => Topic started by: mobile mouse on 01 June 2013, 09:30:34 pm

Title: front brake service question
Post by: mobile mouse on 01 June 2013, 09:30:34 pm

Hi,
serviced both front brakes today.
After clearing all the crud off the pistons I polished them with Autosol.
Shiny or what, they move in/out so easy.


That were the problem started, one fell out and brake fluid went all over the floor.
I pushed the piston back in very easily.


Can I bleed the brakes now knowing there could be a little brake fluid between the fluid seal and the dust seal.


Or should I pull out the pot (loose ALL the brake fluid) and dry between the two rubbers and re-insert the pot and add new fluid and bleed brakes.


what should I do now.......

Title: Re: front brake service question
Post by: ade the blade on 01 June 2013, 09:38:46 pm

wouldn`t worry mate. bear in mind main seal is a pressure seal, hence it being a lot thicker and robust compared to dust seal ( lot thinner ) what you may find over a couple of days is minor weepage out onto piston / rear of pads. just wipe it off if any as it possibly works its way past the dust seal if any. what is bugging me is you say how easy they move !. there are easy and too easy !! if it was me i`d possibly be thinking about possible wear on pressure seals. yes, they obviously need to move `easy` but not too much....just food for thought and my ramblings, sorry !!! :lol

Title: Re: front brake service question
Post by: Dead Eye on 01 June 2013, 11:13:54 pm

The ease could have been due to using Autosol to polish them

Is that necessary with the brake pistons? I cleaned mine with some general brake cleaner and a tooth brush then rinsed with water

Title: Re: front brake service question
Post by: ade the blade on 01 June 2013, 11:24:02 pm

Quote from: Dead Eye on 01 June 2013, 11:13:54 pm

The ease could have been due to using Autosol to polish them

Is that necessary with the brake pistons? I cleaned mine with some general brake cleaner and a tooth brush then rinsed with water

yes, that did cross my mind.......they most probably are too smooth and shiny now...........need to rub them up with some 40 grit w and d now.............no no no no, only kidding :lol :lol :lol :lol :lol :lol :lol :lol :lol

Title: Re: front brake service question
Post by: mobile mouse on 02 June 2013, 12:09:03 am

Yes I was thinking the Autosol has put a really smooth finish on the pots.


thanks for putting my mind at rest.


I will keep an eye out for any weepage.

Title: Re: front brake service question
Post by: mobile mouse on 02 June 2013, 12:13:56 am

I have a three line braided hose kit on order.


So may wait till Monday before filling.

Title: Re: front brake service question
Post by: red98 on 02 June 2013, 07:11:13 am

i always clean the pistons with a scotch pad and brake fluid as a lubricant.rinsing with more brake fluid....a bit messy but works for me  ;)  and no contamination  :)

Title: Re: front brake service question
Post by: darrsi on 02 June 2013, 10:45:30 am

Red rubber grease is your friend here......