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Brake issue

This is a discussion on Brake issue within the Focus RS Brakes forums, part of the Focus RS Garage category; I've had this issue happen to me twice now and it's very unnerving. When driving at highway speeds during heavy rain for more than 15mins ...

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    RS Master OverkillYJ's Avatar
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    Brake issue

    I've had this issue happen to me twice now and it's very unnerving. When driving at highway speeds during heavy rain for more than 15mins without braking, when I hit the brakes I get nothing. Seems like water builds up on the pads or rotors and takes a bit to come off before I get my brakes back. Not a nice feeling when traffic is stopping ahead of you.

    I've been brake checking now to avoid this, but would like to see if anyone else has had this happen to them.

    Sent from my SM-G960W using Tapatalk

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    Quote Originally Posted by OverkillYJ View Post
    I've had this issue happen to me twice now and it's very unnerving. When driving at highway speeds during heavy rain for more than 15mins without braking, when I hit the brakes I get nothing. Seems like water builds up on the pads or rotors and takes a bit to come off before I get my brakes back. Not a nice feeling when traffic is stopping ahead of you.

    I've been brake checking now to avoid this, but would like to see if anyone else has had this happen to them.
    This has been going on for a long time. Older threads called it "hard brake pedal".
    Some recently have been blaming ABS "ice mode"
    I've had this happen on an older car with a more primitive ABS system, so I don't buy "ice mode"
    Your lower control arms have fins designed to funnel more air toward your brake rotors. The problem is under certain speed and water depth conditions thos fins are dumping massive amounts of water into your front brakes.
    The stock brake pads are also partially to blame, and don't deal well with cold and wet.
    I got rid of the cooling fins and run EBC yellowstuff front pads. I don't have the issue anymore.
    markboris likes this.

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    RS Master OverkillYJ's Avatar
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    Quote Originally Posted by daverup View Post
    This has been going on for a long time. Older threads called it "hard brake pedal".
    Some recently have been blaming ABS "ice mode"
    I've had this happen on an older car with a more primitive ABS system, so I don't buy "ice mode"
    Your lower control arms have fins designed to funnel more air toward your brake rotors. The problem is under certain speed and water depth conditions thos fins are dumping massive amounts of water into your front brakes.
    The stock brake pads are also partially to blame, and don't deal well with cold and wet.
    I got rid of the cooling fins and run EBC yellowstuff front pads. I don't have the issue anymore.
    I was looking at upgrading the rotors and trying carbotech 1521s

    Sent from my SM-G960W using Tapatalk

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    Supporting Member markboris's Avatar
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    I too run EBC Yellowstuff pads all around and have no problems anymore either. I also upgraded my rotors to RB slotted two piece so not sure which one cured this problem but I am very happy with the brakes now.

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    Quote Originally Posted by OverkillYJ View Post
    I've had this issue happen to me twice now and it's very unnerving. When driving at highway speeds during heavy rain for more than 15mins without braking, when I hit the brakes I get nothing. Seems like water builds up on the pads or rotors and takes a bit to come off before I get my brakes back. Not a nice feeling when traffic is stopping ahead of you.

    I've been brake checking now to avoid this, but would like to see if anyone else has had this happen to them.

    Sent from my SM-G960W using Tapatalk
    I have same exact issue. Scary as hell. Almost caused me to crash a few times. I am very hesitant to drive car in rain now. I see people saying new pads might help? Maybe those yellow stuff pads I might look into. Anyone know a good rotor to pair with them and good place to buy them both?
    Last edited by Sirjinx; 04-14-2019 at 11:42 AM.

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    RS Specialist phillofoc's Avatar
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    Quote Originally Posted by OverkillYJ View Post
    I've had this issue happen to me twice now and it's very unnerving. When driving at highway speeds during heavy rain for more than 15mins without braking, when I hit the brakes I get nothing. Seems like water builds up on the pads or rotors and takes a bit to come off before I get my brakes back. Not a nice feeling when traffic is stopping ahead of you.

    I've been brake checking now to avoid this, but would like to see if anyone else has had this happen to them.

    Sent from my SM-G960W using Tapatalk
    https://www.focusrs.org/forum/29-foc...nt-brakes.html

    There's a ABS reflash out there for this issue. Word on the street is that it wasn't compatible with the drift stick, at least a few months ago. If you have the drift stick, and get the flash update, let me know.
    Paolo likes this.
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    i had the ABS reflash month or 2 ago, it made it a lot better
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    Quote Originally Posted by Sirjinx View Post
    I have same exact issue. Scary as hell. Almost caused me to crash a few times. I am very hesitant to drive car in rain now. I see people saying new pads might help? Maybe those yellow stuff pads I might look into. Anyone know a good rotor to pair with them and good place to buy them both?
    Are you stock or modded?
    Get to dealer for abs flash.

    There is this thread as well :
    https://www.focusrs.org/forum/29-foc...-scary-af.html

    Quote
    Bulletin 7411:

    11/27/2018 7411 -2016-2018 Focus RS - Momentary soft or Long brake pedal in cold/wet/damp weather - reprogram anti-brake system (ABS) Module

    2016-2018 Focus RS vehicles with 2.3L EcoBoost engine, may experience momentary soft or long brake pedal in cold/wet/damp weather after extended driving conditions. Reprogram the ABS module using the latest software level of appropriate Ford diagnostic scan tool. For claiming use causal part 2C219 and applicable labor operations in Section 02 of the service labor time standards (SLTS) manual.
    Last edited by Paolo; 04-14-2019 at 03:34 PM.
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    Quote Originally Posted by Paolo View Post
    Quote Originally Posted by Sirjinx View Post
    I have same exact issue. Scary as hell. Almost caused me to crash a few times. I am very hesitant to drive car in rain now. I see people saying new pads might help? Maybe those yellow stuff pads I might look into. Anyone know a good rotor to pair with them and good place to buy them both?
    Are you stock or modded?
    Get to dealer for abs flash.

    There is this thread as well :
    https://www.focusrs.org/forum/29-foc...-scary-af.html

    Quote
    Bulletin 7411:

    11/27/2018 7411 -2016-2018 Focus RS - Momentary soft or Long brake pedal in cold/wet/damp weather - reprogram anti-brake system (ABS) Module

    2016-2018 Focus RS vehicles with 2.3L EcoBoost engine, may experience momentary soft or long brake pedal in cold/wet/damp weather after extended driving conditions. Reprogram the ABS module using the latest software level of appropriate Ford diagnostic scan tool. For claiming use causal part 2C219 and applicable labor operations in Section 02 of the service labor time standards (SLTS) manual.
    Some mods.
    Moutune tune by Randy
    Mountune FMIC
    Intake

    So there is a fix to this? I was just in for a 20k service. Wouldn't they have told me about this ABS flash? Or is it not a recall which would trigger them alerting me to this?

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    Supporting Member tarrant64's Avatar
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    Quote Originally Posted by Sirjinx View Post
    Some mods.
    Moutune tune by Randy
    Mountune FMIC
    Intake

    So there is a fix to this? I was just in for a 20k service. Wouldn't they have told me about this ABS flash? Or is it not a recall which would trigger them alerting me to this?
    not a recall, just a fix for those having the problem. i do, just haven’t had it done yet.
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