Soft brake pedal

Soft brake pedal

This is a discussion on Soft brake pedal within the F150 Ecoboost Brakes forums, part of the F150 Ecoboost Garage category; I put new rotors and pads on the truck last week and ever since my pedal feels softer and the brake engagement happens further along ...

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Thread: Soft brake pedal

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    Ecoboost Regular bgroovin's Avatar

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    Soft brake pedal

    I put new rotors and pads on the truck last week and ever since my pedal feels softer and the brake engagement happens further along the pedal stroke. The truck stops fine, but I basically have to press the pedal further to stop the truck. I did do the break-in procedure.

    This isn't the first time I've done complete brakes on a vehicle. I've never had this issue before. Any ideas?

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    Ecoboost Master Eco-Mica's Avatar

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    bleed em again you got an air pocket. rr, lr rf, lf. did you get your recall on master cylinder done?
    F*ck I-594.. I wont comply!
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    Ecoboost Regular bgroovin's Avatar

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    I never opened the system, rotors and pads only. Just feels softer than before.

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    Super Moderator milesej05's Avatar
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    Did you slowly push the pedal down til it hit the floor multiple times before taking it out for a drive? and if you replace pads AND rotors, you don't have to break the pads in.
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    Ecoboost Regular bgroovin's Avatar

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    Yes, I did. It actually scared me when the pedal nearly fell to the floor when I first got in the truck. It came right back though. It is really weird, just seems to engage later in the pedal travel. I can stomp on it and no problem and it actually stops fine as I've driven all week. I'm guessing someone who hadn't driven the truck before wouldn't even notice. The problem seems to be more at slower speeds when you just lightly press the pedal. Like in a neighborhood or coming to a stop sign from 25-30 mph.

    I guess that makes sense with the break-in since the rotor doesn't have any wear on it. Oh well, it was fun racing through the parking lot!
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    The Pistons can rock as they go back into the caliper and Introduce air. Bleed from the calipers with a vacuum source and you will recover your pedal stroke.


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    A straw and strong cheeks?

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    Eco-Beast Shrek's Avatar

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    Did you remove and lubricate the caliper slides?
    Perhaps a difference in pad material?
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    Ecoboost Regular Boostaddict's Avatar

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    Shreks right on.... if theres a slide stuck or hanging up the brakes will be soft and won't last as long. Rarely happens but it is possible to get air in the system sometimes even though you didn't open it. Ive had It happen to. Just pushed in the calipers like normal and somehow air squeezed in. Bled them out and all was well again.
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    Ecoboost Regular bgroovin's Avatar

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    I did lubricate the slides. I guess the only way to really make sure nothing is hung up is to remove wheel by wheel. If nothing seems out of whack then I guess there must be air in there.
    '13 FX4 Ecoboost w/appearance pkg/3.55/7200#-5* tune, UPR Mega Catch Can (totally worth it), Bilstein 4600s, Airlift 5000s, Helwig swaybar (get one), Weathertech flaps, Bakflip MX4 bed cover, wheel liners. CAC pee hole! The rest of my money goes to my '69 Mustang restomod coupe and my Roush-charged '08 Bullitt

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