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  1. bok_yo
    bok_yo is offline Verified Tsikot Member
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    November 6th, 2010 12:05 PM #1
    situation:
    malakas ang preno. walang leak ng brake fluid sa mga gulong including the brake fluid lines and the load sensing valve.

    problem:
    nababawasan ang brake fluid sa reservoir after 1,000 km about 1/16 inch ang ibinaba ng brake fluid level.

    car is a revo. ano at saan kaya ang problema?
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  2. moejun2
    moejun2 is offline Tsikoteer
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    November 6th, 2010 12:17 PM #2
    could be an internal hydrovac leak. also, could be due to the brake pads becoming thinner due to use. but 1000 kilometers seems to be such a short distance to start losing brake fluid.
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  3. boybi's Avatar
    boybi
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    November 6th, 2010 12:20 PM #3
    Could be thinning of the brake pads.
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  4. bok_yo
    bok_yo is offline Verified Tsikot Member
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    November 6th, 2010 12:38 PM #4
    brake pads are still ok. makapal pa rin at based on my observation d masyadong nagbago ang thickness. mas mablis talaga magbawas ng fluid compared to my neighbor's car.

    is there a way na ma-check ko kung may leak ang hydrovac using basic method?
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  5. t2erns's Avatar
    t2erns
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    November 6th, 2010 06:31 PM #5
    Quote Originally Posted by bok_yo View Post
    brake pads are still ok. makapal pa rin at based on my observation d masyadong nagbago ang thickness. mas mablis talaga magbawas ng fluid compared to my neighbor's car.

    is there a way na ma-check ko kung may leak ang hydrovac using basic method?
    tanngalin mo yung vacuum hose na nakakabit sa brake booster, mag insert ka ng straw or zip tie na aabot hanggang bottom ng booster then check mo kung nabasa, kung basa ng brake fluid may leak ang primary piston ng master cylinder. BTW kung may leak ang booster it will not consume brake fluid, titigas lang ang tapak mo sa brake because of vac leak
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  6. mazingerZ's Avatar
    mazingerZ
    mazingerZ is offline Tera Patrick Fanatic
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    November 6th, 2010 07:29 PM #6
    Maybe the hydrovac's seal broke, transferring a portion of the brake fluid there. It happened to me once. Lunod na pala ang hydrovac ko. Key observation here is that your brake pedal will be spongy when you apply brakes. The remedy made was a change to a surplus hydrovac. It cost me around P1.5k.
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  7. bok_yo
    bok_yo is offline Verified Tsikot Member
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    November 8th, 2010 08:39 AM #7
    Quote Originally Posted by t2erns View Post
    tanngalin mo yung vacuum hose na nakakabit sa brake booster, mag insert ka ng straw or zip tie na aabot hanggang bottom ng booster then check mo kung nabasa, kung basa ng brake fluid may leak ang primary piston ng master cylinder. BTW kung may leak ang booster it will not consume brake fluid, titigas lang ang tapak mo sa brake because of vac leak
    ok try ko gawin kung may time today. malambot naman apakan ang brake. may nagsabi rin sa akin na mekaniko na kung flooded ng brake fluid ang hydrovac ay mahihigop ng makina tapos iba daw ang magiging amoy ng exhaus.

    may nakaranas na ba sa inyo nito?
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where does brake fluid goes?