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Old 01-20-2010
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Ranger gurus i need help

first let me start by saying i have an 03 edge with the 3.0l in it and it is 4wd. yesterday on the way home i was driving like normal and all of a sudden the brakes started feeling spongy. i thought nothin of it and figured i am about due for brakes anyway so this may be why, well i was soo very wrong. as i went to go to a complete stop the pedal went to the floor and i had no brakes at all so i pumped them a few times and the pedal came back. when i got home from work i got underneath the truck to check and see if any lines had ruptured or if the wheel cylinders were leaking, and nothing was, i popped the hood to check the fluid level and all is normal. it did have a crunching sound coming from the right front though when turning. when i jacked up the truck the pasenger wheel was wiggling alot, i thought that the lugs came loose but i checked them and they were all torqued proper. i am thinking it is the wheel bearing but would this cause my intermitant loss in the brake pressure? sorry it is so long but i wanted to make sure i told you everything i knew. thanks in advance for any help
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Old 01-20-2010
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I wouldn't imagine a wheel bearing causing a brake failure unless the bearing failure caused something else to snap and break a brake component... but you mentioned that nothing is leaking.


Did you take the rim off to inspect the location of the noise?
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Old 01-20-2010
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There is no way a wheel bearing could cause a brake failure. The brake failure you described sounds to be brake-fluid pressure related. I would suspect a bleeder valve is barely loose, or a line has a crack in it.

Sometimes, however, just a slight amount of air in a brake fluid line can cause a failure. Pumping the pedal sometimes cycles the air forward enough to regain pressure, but sometimes not.

How to fix it?
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As a preventative measure, and if finances allow, replace the brake fluid with new. Over time, temperate changes effect the viscosity of brake fluid. It's best to replace with new fluid at ANY sign of problems.
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Old 01-20-2010
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I've had a wheel bearing cause brake issues. You turn one way, the rotor forces the bad and piston/fluid back up the line out of the caliper, you go to stop, you need to pump it a few times to get the piston and pad back out to the rotor. The other side grabs and it drives crazy until you get full pedal again.
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Old 01-20-2010
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Quote:
Originally Posted by rolsmojave3 View Post
I've had a wheel bearing cause brake issues. You turn one way, the rotor forces the bad and piston/fluid back up the line out of the caliper, you go to stop, you need to pump it a few times to get the piston and pad back out to the rotor. The other side grabs and it drives crazy until you get full pedal again.
thats what i was thinking but i just wanted another opinion before i started throwing parts at it in hopes that i would fix it. thanks for the input guys
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