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Thread: Parking brake won't release on Cat 287b

  1. #1
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    Parking brake won't release on Cat 287b

    Have a cat 287b that seems too not be releasing the parking brake. The light goes off on the monitor but when you go too move the skidsteer it makes this terrible screeching noise and won't hardly go. Sometimes you can hear a pop like something releases and then it works fine. I'm pretty sure it must be related too the parking brake deal?? Any ideas

  2. #2
    Senior Member JeremiahSr's Avatar
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    If light is going out you have to believe the electrical is good. It could be coil but usually when it is shorted bad enough to not work it will throw a code and turn on the light. Could be several things. If both sides are locked i wouldnt think its the brake piston seals. They are independant of each other and normally dont go out at the same time. I would lean towards the little spool in the park brake solenoid cartridge. After removing the solenoid coil...the (stem) or cartridge can be removed. It is kinda hard to tear this piece down. It is fine threaded and lock tite'd. There is only a small gap between o-ring grooves to get it unscrewed. It is not necessarily this component...but it is the most likely. Let us know what you find. Good luck.
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  3. #3
    Senior Member JeremiahSr's Avatar
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    Also.......The 259-8194 VALVE GP-SOLENOID -PARKING BRAKE
    for these serial number machines: ZSA630-UP; CYC509-UP; MDH1997-UP cost $35.23 where im at. Not a bad expense to eliminate this first.
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  4. #4
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    Thanks alot for the info. Could you tell me where the parking brake solenoid cartridge is located??

  5. #5
    Senior Member JeremiahSr's Avatar
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    Raise the cab...i think it is in mid section behind left joystick. I need your exact serial number and i can get a pick of exactly what it looks like.
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  6. #6
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    The serial # is 0zsa03487

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