2002 F250 Brake Problem
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2002 F250 Brake Problem
The other day I got in my truck and started down the driveway when I realized I had no brakes, I slowly backed up and parked it. I haven't driven the truck for approx. 2 weeks and it seemed fine then. The master cylinder is full, there are no signs of leakage from wheel cylinders or lines. Today I unscrewed the left front zert and no fluid came out. My pedal goes all the way to the floor....anyone have an idea whats going on, and if its a easy fix?
Cargo Master
Joined: Oct 2015
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From: West Virginia
If you opened the Zerk fitting, pressed the pedal, and no fluid came out, then there is no fluid up to the caliper. How much is missing and where it went is anybody's guess.
I suggest starting at the right rear caliper - open the Zerk fitting, press the pedal to the floor, close the Zerk fitting, release the pedal. Press the pedal, open the Zerk, close the Zerk, release the pedal. Repeat until fluid comes out with no air bubbles. Repeat on the left rear, then the right front, and finally the left front. Ensure the reservoir stays full at all times.
I suggest starting at the right rear caliper - open the Zerk fitting, press the pedal to the floor, close the Zerk fitting, release the pedal. Press the pedal, open the Zerk, close the Zerk, release the pedal. Repeat until fluid comes out with no air bubbles. Repeat on the left rear, then the right front, and finally the left front. Ensure the reservoir stays full at all times.
Tuned
Joined: Jul 2014
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Could be a cracked rubber line or something. These trucks have coated brake hard lines that dont really have issues, other then on the rear axle.
If the reservoir runs dry I am pretty sure you need a factory ford scan tool to cycle the ABS pump.
If the reservoir runs dry I am pretty sure you need a factory ford scan tool to cycle the ABS pump.
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Yes that's what I thought, I do remember a while back the ABS light came on but went back out a few moments later. I have to wait for this weekend to bleed the lines so I can have my wife pump the brakes while I open the line.
Lead Driver
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From: Lyndonville, Vermont
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Ok I just tried bleeding my brakes starting with the right rear and I could not get any fluid to squirt out (also tried the other three), the Master cylinder is full. Any ideas..... I tried with the truck off and running, but Im not sure that would make a difference anyway. How can I tell if the MC is bad without having to purchase one. I don't know much about ABS.
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More Turbo
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So, the bleeder is open, pressing the brake pedal does what?
Does it go to the floor or do you feel resistance?
Can you feel air coming out of the bleeder as the pedal is being pressed?
If I were working on it, I would follow the lines upstream, and say, disconnect the rubber hose [fronts are easier to work on than the rears I think] from the brake line and see if you can get it to squirt out. Then work either upstream or downstream till you figure out where you can get fluid to come out and where you can't. part in the middle is the problem.
Does it go to the floor or do you feel resistance?
Can you feel air coming out of the bleeder as the pedal is being pressed?
If I were working on it, I would follow the lines upstream, and say, disconnect the rubber hose [fronts are easier to work on than the rears I think] from the brake line and see if you can get it to squirt out. Then work either upstream or downstream till you figure out where you can get fluid to come out and where you can't. part in the middle is the problem.
Lead Driver
Joined: May 2003
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From: Lyndonville, Vermont
Wow Take it to a pro.. You don't wanna mess with brakes..Unless you are willing to take responsibility for whatever. That being said crack the line coming out of the master and see whats up.
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By cracking the bleeders open and even taking them out, I still didn't get any fluid to squirt out, and couldn't feel or ear any air. I had my wife pumping the brake pedal repeatedly while I did this. The brake pedal goes all the way to the floor with no resistance. I just now tried the two lines that go into the MC and had her pump the brake real slow and fluid did squirt come out at both lines. Does this mean the MC works and the problem lies somewhere else?
Posting Guru
Joined: Nov 2008
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From: Oregon
When she pumps it, are you having her hold the pedal down, while you are attempting to bleed? If she is not holding it down, you will introduce air into the lines.
Everyone doesn't know this, that is why I mentioned it.
Everyone doesn't know this, that is why I mentioned it.
Tuned
Joined: Sep 2014
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From: Ventura, Ca
yes, the rule of thumb is to pump the pedal until you feel pressure then hold it to the floor and not release the pedal until told to do so. you can also do a gravity bleed if your alone