Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: brake fluid leak  (Read 5003 times)

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  • Offline kinghoow

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    Offline kinghoow

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    brake fluid leak
    on: Oct 11, 2017, 06.20 pm
    Oct 11, 2017, 06.20 pm
    was going to take a ride this morning ,but under the bike was a small puddle of fluid,was not engine oil,checked the front brake sight glass and was almost empty,put bike on center stand and level rose a wee bit.so i added fluid to both front and back reservoirs .i then took off both sides footrest covers to see if i could find any leaks,none found.
    but i could not see abs modulator and lines going to it.
    so to continue ,can i only remove the plastic on that side or does both sides have to be removed???has any one had brake line leaks or other problems with or near abs unit.thank you
    Kinghoow      :148:

  • Offline Trophy Bike

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    Offline Trophy Bike

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    Re: brake fluid leak
    Reply #1 on: Oct 11, 2017, 08.09 pm
    Oct 11, 2017, 08.09 pm
    I realize the brake reservoir up front was low but did you also check the clutch reservoir and down by the slave cylinder? I think a couple of people had leaks down there.
    I assume you cleaned off all the fluid!  Hopefully, you have no damage to any paintwork etc.

  • Offline kinghoow

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    Offline kinghoow

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    Re: brake fluid leak
    Reply #2 on: Oct 11, 2017, 08.42 pm
    Oct 11, 2017, 08.42 pm
    yes i checked clutch reservoir,was full.why i think it was a brake line or hose ,was because fluid ran down where the two halfs of plastic join together just after pipes,all lines that i could see were dry. so i'll try to have a look see in the morning and i hope i cleaned up good enough,if you want a laugh in the last 3 weeks my sewer backed up, tv stopped working ,a few days ago the kitchen stove oven no longer works.i just wanted to have a nice chill out on my trophy lol

  • Offline 1675   gb

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    Offline 1675

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    Re: brake fluid leak
    Reply #3 on: Oct 11, 2017, 11.05 pm
    Oct 11, 2017, 11.05 pm
    How do you know it is brake fluid? I would expect the front resevoir level to reduce as the pads wear, so no surprises there. Have you tried smelling it to see if is petrol? Also try applying the brakes overnight with a tyrap or load on the pedal. No pressure should be lost from the system. Was the rear master cylinder recently topped up, or new pads fitted after a recent top up. Each fluid also has its own particular smell and taste, such as dot fluids, coolant, petrol, engine oil, ep oils etc. Could it be coolant after the bike was parked up with a hot engine?
    Last Edit: Oct 11, 2017, 11.07 pm by 1675

  • Offline kinghoow

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    Offline kinghoow

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    Re: brake fluid leak
    Reply #4 on: Oct 12, 2017, 02.46 am
    Oct 12, 2017, 02.46 am
    thank you for your reply ,i'lltry tying the brake overnite  and i thought it felt slipery and with the reservoir low i just assumed it was brake fluid .i did look at the radiator over fill tank and did notice that it was on the low mark or line. but both front and back reservoirs were on the low mark. if it is anti freeze it would be a lot better,i'll pour a capfull on the floor to see if it feels the same.again ,thanks for the things to check,to be honest i have not checked the rear reservoir at all since in the year that i've owned it,which is my blame .also the fluid had 2 or 3 days on bottom of plastic ,so that paint should be history,i'll look into the things you said ,thanks

  • Offline kinghoow

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    Offline kinghoow

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    Re: brake fluid leak
    Reply #5 on: Oct 12, 2017, 03.50 pm
    Oct 12, 2017, 03.50 pm
    good morning 1675,no pressure was lost on brake handle test overnite,put a little anti freeze on garage floor and it very well could be anti freeze,but at least i see the pivot bolts are moving freely i  have two spares i ordered when reading about them breaking.so i topped off radiator and will watch closely,thank you and trophy bike for your input.     :821:

  • Offline GaryWWhite   us

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    Offline GaryWWhite

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    Re: brake fluid leak
    Reply #6 on: Oct 12, 2017, 04.07 pm
    Oct 12, 2017, 04.07 pm
     :020:  :087: Man you guys know so much about your bikes!!  I would just go to the dealer as I would have no idea where to start determining the type of leak or be able to repair same should I discover the source.  My hat's off to you!

  • Offline SprintST1050

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    Offline SprintST1050

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    Re: brake fluid leak
    Reply #7 on: Oct 13, 2017, 11.23 am
    Oct 13, 2017, 11.23 am
    *Originally Posted by kinghoow [+]
    yes i checked clutch reservoir,was full.why i think it was a brake line or hose ,was because fluid ran down where the two halfs of plastic join together just after pipes,all lines that i could see were dry. so i'll try to have a look see in the morning and i hope i cleaned up good enough,if you want a laugh in the last 3 weeks my sewer backed up, tv stopped working ,a few days ago the kitchen stove oven no longer works.i just wanted to have a nice chill out on my trophy lol

    My goodness you are experiencing an insurrection!?!?  You should make peace with someone-somebody-something ASAP!  I have something leaking around the rear axle/rear wheel area on my Sprint - doesn't appear to be oil.  The alternator cover began leaking a few years back- retorqued the fasteners and the leak stopped. Checking the rear master cylinder today...fingers crossed.
    Last Edit: Oct 13, 2017, 11.50 am by SprintST1050

     



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