Brakes Activate Without Cause!?
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New User
Joined: Jan 2004
Posts: 11
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Brakes Activate Without Cause!?
2001, F-250, Crewcab.
After backing into a snow pile and spinning the wheels slightly, I pulled away to what at first felt like my truck down shifting dramatically at about 20mph. After playing with my speed I relized that it was my braking system activating for no reason (and braking pretty hard at that!). After checking for leaks, debris, and fluid levels everything looked okay.
I finally got feed up with it, and with much concern, accelerated through an episode, it lugged for a few seconds and then worked perfectly!?
Anyone experiance something similar or know whats going on?
I think that maybe something got between my wheel speed sensors?
Help
After backing into a snow pile and spinning the wheels slightly, I pulled away to what at first felt like my truck down shifting dramatically at about 20mph. After playing with my speed I relized that it was my braking system activating for no reason (and braking pretty hard at that!). After checking for leaks, debris, and fluid levels everything looked okay.
I finally got feed up with it, and with much concern, accelerated through an episode, it lugged for a few seconds and then worked perfectly!?
Anyone experiance something similar or know whats going on?
I think that maybe something got between my wheel speed sensors?
Help
Senior User
Joined: Jul 2004
Posts: 266
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From: Reading,PA
I'm not sure with your truck but when you reverse some vehicles it tightens up the emergency brake,mostly rear drum brakes do this,may-be from spinning the tires in reverse it tightened too much? Just a thought. Hopefully someone with more knowledge will chime in.
Freshman User
Joined: Nov 2004
Posts: 34
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i have a 01 F250 7.3 and i had the same problem last summer. i had to take of my tires pull apart my brake assembly from the inside out and replace them. the inside of your brake assembly might be warped and needs to be replaced. that was the problem i had.
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New User
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Abs?
I'm not that familar with ABS , does the parking brake on the rear calipers self adjust similar to drum brakes? And when you say that you replaced them from the inside out did that mean the rotors or just the caliper pistons? I thinking that something with the ECU or hydrolic actuator is screwing up. It does'nt vibrate or pulse the pedal when I brake, so I dont think that the rotors are warpt. Truck only has 80k and stock tires/rims.
