brake system problem: HELP!

**tebs** · May 31st, 2003 12:55 PM

una, ang lakas tumagas ng brake fluid ng MU namin. lagi kaming nagrerefill ng brake fluid.

pinagawa sya. pinalitan yung O-ring sa master ata (sa likod yung binaklas)

today, pagkamedyo na-pump yung brake pedal, nagkakaroon ng resisting force sa pag-apak. then umiilaw din yung indicator sa dashboard para sa brake.

ano kaya problem nito?

**OTEP** · May 31st, 2003 02:00 PM

Baka hindi na-bleed ng tama kaya ganyan.

Yung master cylinder nasa harap yun. Ano yung binaklas? Nasa gulong ba?

Hindi ba nagbabawas ng fluid?

**Ungas** · May 31st, 2003 02:02 PM

Check the fluid lines baka may singaw dun. Or malakas ang singaw ng hangin sa master kaya umiilaw yung brake indicator.

**tebs** · May 31st, 2003 02:10 PM

otep,
hindi nablineed yung fluid. sa likod binaklas. yung sa assembly mismo ata ng disc brake

ungas,
may narinig ako kaninang singaw. pero dun malapit sa reservoir ng brake fluid.

**Ungas** · May 31st, 2003 02:15 PM

tebs::: Walang singaw dapat yan. Those parts should be air tight. Kahit na disc brake binibleed pa rin.

**tebs** · May 31st, 2003 02:29 PM

sige, babanggitin ko sa dad ko na kelangan i-bleed.
nga pala, when saying na ibibleed, ibig sabihin ba nun ilalabas lahat ng fluid tapos irerefill uli?

**Ungas** · May 31st, 2003 02:33 PM

Yup, papasingawin mo yung hangin sa lahat ng linya hanggang puro brake fluid lang ang lalabas na walang halong hangin, then refill sa reservoir.

**mangyan** · May 31st, 2003 03:03 PM

Kapag may resisting force sa pag-apak ng pedal, probably sira pa rin ang brake master assembly. Subukin mo pa-bleed all 4 corners, kapag ganon pa rin pa-replace mo ulit ng repair kit ang brake master assembly o palitan mo na ng bagong assembly para sigurado.

**otomatic** · May 31st, 2003 03:41 PM

bleed on all 4 corners, make sure umaandar ang engine while bleeding!!

:D :D

**tebs** · May 31st, 2003 06:29 PM

guys, pinableed ko na on all four wheels.

medyo ok na. yun nga lang, pagpinupump yung pedal, umiilaw yung brake indicator sa dash and may resisting force sa pedal. kumakagat naman yung brakes

**ARB** · May 31st, 2003 06:54 PM

diba you mentioned na tumatagas ang fluid sa master that is why you replaced the rubber cups in the master cylinder? did you check the sides of the master if it is still smooth? or are there any damages that your finger can feel then i suggest you change the whole thing. also check the hydrovac for fluid contamination, since the master cylinder was broken there might be fluid inside the hydrovac, since you mentioned that you were always refilling the reservior but did not mention that there was leaking fluid under your vehicle, it must have entered there. IMO lang, brakes are important better to be sure.

**otomatic** · May 31st, 2003 07:14 PM

Originally Posted by tebs

guys, pinableed ko na on all four wheels.

medyo ok na. yun nga lang, pagpinupump yung pedal, umiilaw yung brake indicator sa dash and may resisting force sa pedal. kumakagat naman yung brakes

bakit umiilaw? baka kulang ang brake fluid?

check your hydrovac,

on engine shut off, pump your brakes several times until matigas na feel mo sa pedal. Tapos dont let go of the brake pedal and start the engine. Dapat pag andar ng engine you should feel that the pedal will travel further down for about an inch siguro. If this is the case, buo ang hydrovac mo, pag hindi bumaba yung pedal, somethings wrong with it. :D

**mangyan** · June 1st, 2003 12:37 AM

hmmm.....parang sa hydrovac ang problema

**jim** · June 3rd, 2003 06:26 PM

I had a similar problem a year ago. I thought yung master lang ang problem and I replaced it with a new one. Pero the problem insisted. When I removed the hose connecting the hydrovac to the vacuum nakita ko basa, then that was the time na nalaman ko na yung brake fluid pumasok na pala sa hydrovac. Grabe nung inipon ko yung fluid na naipon sa HV umabot ng 1 liter hehehe yung HV ko kasi pwedeng buksan)Isa pa napansin ko na yung usok ko kulay puti, yun pala yung fluid pumasok na rin sa vacuum hehehe. Grabe talaga as in......

**Ungas** · June 3rd, 2003 09:14 PM

jim::: Sir, may I ask ano po yung ride nyo? Pwedeng buksan ang hydrovac system nyo? :D

**jim** · June 4th, 2003 11:16 AM

Opo sir nabubuksan sya. Ride ko po dukhang 1977 Toyota Mini Cruiser Jeep sir pero modified na as in marami nang napalitan pati kaha minodify na kaya parang nag-ala mini Jeep Wrangler na ang dating. Yun pong HV ko Toyota AISIN. Bale yung HV may lock po sya sa gitna na steel ring. Parang clam-shell po yung HV pag tinanggal mo yung lock nabibiyak sya. Unique sir noh wala na nga akong makitang ganun sa mga auto store nagtanong ako wala raw silang ganun. Nung ipinakita ko yung HV sa kanila nagulat sila tapos binibili ba naman sa akin hehehe. If I'm not mistaken yung ganung HV ginamit sa mga unang labas ng Toyota Hi-lux. Correct ne na lang if I'm mistaken.....

**Ungas** · June 4th, 2003 11:34 AM

jim::: Wow Mini Cruiser! Yan ang type ni sir wildthing na ride, hehehe. :D Bago nga sa pandinig ko yang nabubuksang HV system, I want to see it if ever madayo ka sa Manila. Btw, where are you exactly in the Philippines?

**jim** · June 4th, 2003 11:54 AM

I live in Cavite pero sa Villamor Air Base, Pasay City po ako umuuwi sa ngayon. Kung gusto po ninyong makita pwede pwede ko pong i e-mail sa inyo yung pics. :P

**Ungas** · June 4th, 2003 12:03 PM

Sure! Kindly send it thru manila_tools*hotmail.com :D

Kung pwede po kayong pumunta sa EB ng tsikot on June 21st the better! :mrgreen:

**jim** · June 4th, 2003 12:12 PM

cge po i'll try. pero may sched po akong akyat sa Mt. Maculot ng 21st hehehe! Thanks!

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