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Thread: Chi chi sound from rear brake ONLY when pedal pressed lightly

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    Default Chi chi sound from rear brake ONLY when pedal pressed lightly

    Salam brothers. My bike has developed an annoying chi chi type of sound that comes from the brake pedal when it is touched lightly. Even when the bike is stationary and i press the pedal lightly I can hear a kind of screeching noise. I have got the brakes services and the brake shoes are almost brand new. When riding the bike this chi chi sound comes and goes as it pleases. But it never comes when I press the pedal completely (all the way down). Usually when I am pressing it lightly I hear the noise.
    What could be the problem and its remedy? Kindly help me brothers


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    complex to guess it accuratly by us,, interesting to be solved by u,,i would say,,, these problems realy want some time from you to check and isolate them,,

    it could be the wrong/non centered placement of the hollow iron small rod type of nut on the axle...

    it could be the improper chain free play adjustment,corrrect it on both sides and take ur time to make it correct on both sides..

    brake shoe may be placed in wrong direction ?

    if its small just leave it,, it wont matter seriously,,

    however a good mechanic can solve it,,they are very picky in identifying and solving ,, onc a mechanic agrees its a problem e will solve it,,
    if a mechanic says its no issue then he will never be able to solve it,,just skip to other,

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    @ asjdsm - Thanks for the prompt reply brother. It is a tricky problem. Most mechanics say it will go away after 500 kms but it still hasnt for the past 1200 kms. I feel it is not the brake shoe but the brake pedal. Because even when bike is stationary and brake is pressed lightly i hear the noise. I tried to pin point the noise but have so far failed

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    same issue here,,, mechanics said it will vanish but not since last 4k kms,,
    i once checked the hub.. ( inside surface where the brake shoe rubs to stop the bike) it was out of round,,

    it should have been perfectly round but its diameter was few mm longer at some points and shorter at other ,, however there was the max permissible dia written on the hub and my reading showd that i have well crossed it,,
    ii used vernier calliper to check it,,

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    Even when the bike is stationary and i press the pedal lightly I can hear a kind of screeching noise.

    i didnt understand this part

    on second thought, spray wd40, under brake padel, ard foot padel lever area, , cable, release spring etc
    ,,, unless you know the track, you're not good enough to sit behind the wheel." K T

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    Quote Originally Posted by levin View Post
    Even when the bike is stationary and i press the pedal lightly I can hear a kind of screeching noise.

    i didnt understand this part

    on second thought, spray wd40, under brake padel, ard foot padel lever area, , cable, release spring etc
    Brother what I am trying to say is that when the bike is switched off and on double stand. At that time when i slightly press the rear brake pedal i hear the chi chi sound. Brother believe me I sprayed the whole mechanism with WD 40 but the problem still persists.
    The problem started when I was at signal and this guy on cd70 came and hit my silencer from behind. It wasnt a very hard hit. My habit is to have my foot on rear brake while I stand on signals. So this is why I didnt fall down. The silencer took the hit but nothing got damaged. After that when I moved the bike and applied brake I started hearing this chi chi sound. So my guess is that it has something to do with the mechanism, like maybe some nut is slipping or something.

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    two times i had faced similar problems with my high speed and unique
    issue with high speed was solved finally by replacing new leathers
    though leather installed were brand new i mean since after installation they mere making chi chi noise so atlast i installed some other brand leathers and problem was resolved.
    and issue with unique was quite similar to leather noise
    i used to here sound at stationary state i mean just move and press pedal
    but actually it was solved by tightened and oiling a nut
    i don't know what to call it but here is the picture
    Chi chi sound from rear brake ONLY when pedal pressed lightly - DuDc9
    i hope i helped with my little knowledge

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    it can be solved right away by losing your rear break ... just losen a bit the nut of rear wheel break . the noise will go away

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    Quote Originally Posted by amjad635 View Post
    two times i had faced similar problems with my high speed and unique
    issue with high speed was solved finally by replacing new leathers
    though leather installed were brand new i mean since after installation they mere making chi chi noise so atlast i installed some other brand leathers and problem was resolved.
    and issue with unique was quite similar to leather noise
    i used to here sound at stationary state i mean just move and press pedal
    but actually it was solved by tightened and oiling a nut
    i don't know what to call it but here is the picture
    Chi chi sound from rear brake ONLY when pedal pressed lightly - DuDc9
    i hope i helped with my little knowledge
    Thanks brother, i will surely give that a try

    Quote Originally Posted by travelinghell View Post
    it can be solved right away by losing your rear break ... just losen a bit the nut of rear wheel break . the noise will go away
    Brother actually loosening the break increases the sound. If I tight the brake to the point where the tyre is not free to move then noise goes away.

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    actually when i tighten up my new Metro 125 break this sound come appraising .. but this isn't bothers me atall ..

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    This is probably because you used some cheap brake pads and now they have become hard and shiny. u should also use reg mal on surface of the shoe before putting it.

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    It could be the Brake Line. Get it checked.

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    Brothers tomorrow I am going to get new brake shoes and then see if the noise is there or not. I hope that Inshallah it will go.

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    Dear brothers. Today I changed the rear brake show of the bike. And Mashallah all noises are now gone
    it feels odd to press the brake pedal and not hear the chu chu
    Thanks you all for all your advices

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    ^^ Remember these 90, 100, 120Rs brake shoes dont generally work for long and always develop trouble. Go for 150Rs and + ones...

    Also never adjust the brakes so tight that the brake shoe is constantly rubbing the brake drum.. this wud make brake shoe hard and squeak + it wud wear off quickly.

    Also dnt drive ur bike with the brake pedal pressed slightly.

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    Quote Originally Posted by Automotorsport_Lover View Post
    ^^ Remember these 90, 100, 120Rs brake shoes dont generally work for long and always develop trouble. Go for 150Rs and + ones...

    Also never adjust the brakes so tight that the brake shoe is constantly rubbing the brake drum.. this wud make brake shoe hard and squeak + it wud wear off quickly.

    Also dnt drive ur bike with the brake pedal pressed slightly.
    Thanks for the wise words.
    Indeed making the shoe very tight will result in them getting fade very quickly. Also I used to have a habit of resting my foot lightly on the brake pedal. Though i am working hard to get rid of this habit. Any suggestions for this brother?
    by the way, the brake shoe costed me rs.330 and I got them from a 5S dealer. So i think they will last long and plus they looked like very good quality.

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    Buy genuine break leathers of AHL for CG costs around 320 or 350 i think.. Since i bought my bike i had never changed break leathers of my CG but still no sound and breaking is awesome and try to clean the drum or paint the inner portion with spray paint.
    Dream is not that which you see while sleeping it is something that does not let you sleep.

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    Quote Originally Posted by BlueHorn View Post
    Thanks for the wise words.
    Indeed making the shoe very tight will result in them getting fade very quickly. Also I used to have a habit of resting my foot lightly on the brake pedal. Though i am working hard to get rid of this habit. Any suggestions for this brother?
    by the way, the brake shoe costed me rs.330 and I got them from a 5S dealer. So i think they will last long and plus they looked like very good quality.
    Ahan! So thats why Honda's brake shoes last so long! people have driven their bikes thousands of KMs and havnt ever changed them!

    My Yamaha one cost 170Rs they work good and dont squeak, but hardly last 5000KMs with my hard braking driving style!

    Cant say much ebt ur habit...
    Try to get ur brake pedal adjusted for ur style... i guess its positioning is adjustable.

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    Quote Originally Posted by Automotorsport_Lover View Post
    Ahan! So thats why Honda's brake shoes last so long! people have driven their bikes thousands of KMs and havnt ever changed them!

    My Yamaha one cost 170Rs they work good and dont squeak, but hardly last 5000KMs with my hard braking driving style!

    Cant say much ebt ur habit...
    Try to get ur brake pedal adjusted for ur style... i guess its positioning is adjustable.
    Yes I think I have to get the brake pedal a bit lowered. Btw, the bike in question is not a CG125, its a Suzuki GS150.

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    Dear brothers I need your help again. Mashallah the brake is not making any noise now. But when I stand the bike on double stand and rotate the wheel, i can feel that at some points there is a noise like the drum is touching the brake shoe. I rotate the wheel and it comes to a stop suddenly. At that point when I try to move it I can feel some resistance and hear a noise like something is rubbing against the drum of the tyre. Kindly advice brothers

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