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front left brake not getting fluid
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bworm
User
Nov 10, 2013, 4:09 PM
Post #1 of 20
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front left brake not getting fluid
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Ihave a 99 toyota sienna. Two days ago my wife had to come to a hard stop and the anti lock brakes kicked on. Afterwards she noticed the car pulling to the right when stopping. I drove it and sure enough it was pulling so I replaced both front callipers and new pads. When i went to bleed them the right side went good but the left side has no fluid coming out of it. There must be a stuck valve somewhere. Can anyone help. Thanks.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 10, 2013, 4:23 PM
Post #2 of 20
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Re: front left brake not getting fluid
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No, you're barking up the wrong tree there................
Replace both front flex hoses.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bworm
User
Nov 10, 2013, 8:13 PM
Post #3 of 20
(2434 views)
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Re: front left brake not getting fluid
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I will replace the hoses. If that does not fix it any other ideas? Thanks
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 10, 2013, 8:15 PM
Post #4 of 20
(2431 views)
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Re: front left brake not getting fluid
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Just change the hoses
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bworm
User
Nov 10, 2013, 8:23 PM
Post #5 of 20
(2429 views)
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Re: front left brake not getting fluid
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Thanks i will let you now how I make out tomorrow.
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bworm
User
Nov 12, 2013, 9:52 AM
Post #6 of 20
(2406 views)
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Re: front left brake not getting fluid
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Finally got the left hose had to order it. Still no fluid. When pumping the brakes the pedal feels very hard and it does not move when I crack the bleeeder on that side. I even pumped the brakes with the hose off and got only about two drops of fluid to come out. I think it has to be something in the abs. Any other suggestions. Thanks.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 10:35 AM
Post #7 of 20
(2395 views)
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Re: front left brake not getting fluid
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That makes no sense at all. The ABS is "pass through" with valves always closed. Activation of the valve will relieve pressure, not restrict it. Check it over close for any pinched metal brake lines or even a bad master cylinder. The only place i have ever seen this happen is inside the flex hoses.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 11:03 AM
Post #8 of 20
(2389 views)
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Re: front left brake not getting fluid
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Same with Hammer Time - never even heard of that except the flex hose. Never heard of a defective new one doing the same thing either. Which end did you undo to see if fluid would come out? If at caliper hose is still in question IMO so would try just loosening the hose to metal line connection while pressure applied and see if that will flow.
You'd have to really smash a metal brake line pretty hard to stop flow that bad so IMO either wildly against odd of the new hose or the master cylinder.
BTW - no waste in tossing those flex hoses on a model year '99 anything unless known done already,
T
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bworm
User
Nov 12, 2013, 11:38 AM
Post #9 of 20
(2383 views)
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Re: front left brake not getting fluid
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I tried pumping the brake while I had the flex hose off. Only got a couple of drops out of it. I checked the metal line and there is no damage to it. If it is the master cylinder would it only affect one side? Thanks
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bworm
User
Nov 12, 2013, 11:42 AM
Post #10 of 20
(2382 views)
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Re: front left brake not getting fluid
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Is there anyway to test the master cylinder or do I just have to replace it?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 11:49 AM
Post #11 of 20
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Re: front left brake not getting fluid
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How many lines go directly to the master?
I guess you could just crack loose ones to front if two but don't let air back in. It should (famous last words) be the line(s) closest to the booster for front but can't be certain on that.
Gotta go for a while so see what else might be a possible something to cause this from Hammer,
T
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bworm
User
Nov 12, 2013, 11:53 AM
Post #12 of 20
(2372 views)
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Re: front left brake not getting fluid
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What gets me is that it is only to one wheel. Doesnt the master cylinder push to both front wheels or both back wheels.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 12:08 PM
Post #13 of 20
(2371 views)
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Re: front left brake not getting fluid
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No, you have independent feeds so ABS can control individual wheels. The master sometimes works in pairs but they may be diagonal pairs.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bworm
User
Nov 12, 2013, 1:35 PM
Post #14 of 20
(2365 views)
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Re: front left brake not getting fluid
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When you say diagonal pairs you mean that the front left would be connected to the back right? If this is so it makes sense because I took it for another drive and it feels like the front is pulling to the right as the back pulls to the left likie I am ridding a wave. I tried to bleed the back right but broke the bleeder, now I have to get it out. After that I will be able to see if it is getting fluid. If not it is the master. Thanks. Ill post how I make out.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 2:04 PM
Post #15 of 20
(2363 views)
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Re: front left brake not getting fluid
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Yes, many FWDs are set up that way. I don't know for sure that yours is though.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Nov 12, 2013, 5:34 PM
Post #18 of 20
(2346 views)
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Re: front left brake not getting fluid
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Me either, but it is just a theory.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Nov 12, 2013, 5:36 PM)
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bworm
User
Nov 13, 2013, 9:57 AM
Post #19 of 20
(2331 views)
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Re: front left brake not getting fluid
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Turns out it was a stuck valve in the modulator. When I took it off I put air to it and the front left valve is not letting anything through. Picked up a used one for $50 from a nearby salvage yard and i am now good to go. Thanks for the help. Problem solved.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 13, 2013, 10:22 AM
Post #20 of 20
(2325 views)
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Re: front left brake not getting fluid
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Glad you isolated it and good to go now. Sorry I couldn't find a dang thing (speak for myself) to be sure of. Didn't post it but became about as certain as could be that it would NOT be the master cylininder on this vehicle if one side did flow. Good luck. Open for now another moderator will likely close it as solved and if wanted just ask it to be unlocked if it isn't working out for some reason,
T
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