I cant bleed my brakes

it-broke-again · May 17, 2016

I have a 2002 Ford Ranger 4x4 4.0L automatic. I replaced rotors, calipers, pads, drums, shoes, hardware, wheel cylinders, and all of the lines from the master cylinder back. I have tried just about all I can to bleed the brakes on this dang thing and still am having no luck. from what I can tell im getting fluid to the abs unit but nothing coming out of it. anyone have any suggestions because the trucks been down for 2 weeks now all because the brakes need bled.

ANY HELP OR SUGGESTIONS APPRECIATED

ford4thot · May 18, 2016

I'm no expert. But maybe the ABS unit is bad?

it-broke-again · May 18, 2016

All of the abs worked before I did the lines though so I wouldn't think it went bad

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black_demon69 · May 18, 2016

it-broke-again said:
All of the abs worked before I did the lines though so I wouldn't think it went bad

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try to gravity bleed it will take awhile or get a vacuum bleeder or try bleeding the abs unit on the lines from master first then lines going out to the wheels

these would be the only suggestions i would have at this point

Haywire6000 · May 18, 2016

I would find a friend to help you bleed the brakes. Have him/her pump the peddle 6 or so times then hold it and crack the bleeder.

adsm08 · May 18, 2016

If you replaced all the lines it may take a while to get fluid down to the wheels. A second person or a pressure bleeder is likely needed here.

twfmvm · May 19, 2016

When i replaced the front brake hoses on my 92 and bled them my master cylinder went out. I could tell it was getting old, it was dirty as all get out. Ive heard it happens a lot when you bleed an old master, it busts a seal. And i wish i hadnt wasted so much time trying to rlcheck everything else.

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Andy D · May 21, 2016

Go buy a qt of brake fluid. Fill the MC to the brim. Hopefully, there isnt air in the ABS I avoid that whenever possible.. Next, start looking for wet spots Check all couplings for tightness. Yeah, I know, you checked, but is everything back where it came from? Are the calipers on their correct sides. If they go on upside down, they wont bleed. I do brakes as needed. I use a gravity bleed after I have opened the system. It wont bleed if the lines aren't tight. If it doesn't bleed, I check my work until I find the leak.

naford · May 21, 2016

Can you bleed the abs unit without the computer software to open and close the valves?

pjtoledo · May 22, 2016

several ABS inducing panic stops on a slippery surface usually works, provided you have enough brake to drive with.

it-broke-again · Sep 7, 2016

Thanks for all of the replies but this has been fixed the dealer wanted 350 to open the valves in the unit so I disabled it and rerouted the brakes lines so now no abs

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sergeh · Sep 10, 2016

bleed the master cylinder first

Andy D · Sep 10, 2016

I replaced all the hard lines and wheel cyls , calipers, I left the rear hose and th MC, the drums and rotors I kept too. I took pains to keep the MC full. I probably used a qt in the process. Bleeding was a snap. Everything was new. I used a 2nd qt . I gravity bled by tightening up the drips as I worked from the MC to the wheel cyls. It worked great

voodoochylde · Sep 17, 2016

If nothing else works, it may help to pull the master cylinder and bench bleed it.

I cant bleed my brakes

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