Sporadic ABS engagment on front wheel under normal/light braking.

Discussion in 'V8 - Maintenance & Troubleshooting' started by jimtash, Dec 1, 2013.

  1. jimtash

    jimtash SHO Member

    Joined:
    Dec 18, 2001
    Messages:
    1,276
    Likes Received:
    183
    Location:
    nc
    Home Page:
    Been experiencing sporadic ABS engagement of the front left wheel under normal braking conditions for a while now. Especially under really light braking such as when coming to a stop. Last week when the temps were below 20, the ABS light came on and after a few minutes turned off and hasn't reappeared since. Any ideas? Thinking the sensor for that wheel is starting to go bad want to know if anyone has experienced the same thing?

    Pads and rotors were replaced a couple of months ago but this condition was present before that. ABS seems to want to act up under fairly light braking when no lock up is even remotely in the equation.
     
    Last edited: Dec 1, 2013
  2. stephen newberg

    stephen newberg Moderator Staff Member

    Joined:
    Jan 15, 2001
    Messages:
    3,303
    Likes Received:
    363
    Occupation:
    No Idea
    Location:
    Ladysmith, BC, Canada
    ABS pump starting to fail, perhaps? Sounds like when mine was going.

    pax, smn
     
  3. jimtash

    jimtash SHO Member

    Joined:
    Dec 18, 2001
    Messages:
    1,276
    Likes Received:
    183
    Location:
    nc
    Home Page:
    Would it even engage with a failing pump? Wish the light would've stayed on long enough to be diagnosed.
     
  4. stephen newberg

    stephen newberg Moderator Staff Member

    Joined:
    Jan 15, 2001
    Messages:
    3,303
    Likes Received:
    363
    Occupation:
    No Idea
    Location:
    Ladysmith, BC, Canada
    Yes, the pump failing gives and ABS light signal.

    pax, smn
     
  5. AREA 91

    AREA 91 PA SHO SHOP

    Joined:
    Jul 17, 2002
    Messages:
    5,336
    Likes Received:
    996
    Gender:
    Male
    Occupation:
    ecentric nut
    Location:
    Area 91
    Check the ABS rings on the CV shafts for missing or broken teeth.
     
  6. BamSHO

    BamSHO SHO Member

    Joined:
    Apr 9, 2001
    Messages:
    1,155
    Likes Received:
    782
    Occupation:
    printer
    Location:
    South Williamsport,PA, US
    Home Page:
    My ABS light has been coming on when the weather gets cold. Usually on for about 5 minutes then goes off. Has done it since I owned it, just figured it didn't like cold weather. I do once in awhile get the pulsing pedal when I brake, haven't really worried about it, it may happen like 3 times a year.

    Brian Michael
    98 black Gen3
     
    Last edited: Dec 1, 2013
  7. SuperHO

    SuperHO Mental Patient

    Joined:
    Sep 8, 2002
    Messages:
    5,695
    Likes Received:
    1,366
    Occupation:
    Dinner Delivery
    Location:
    St. Joe, MI
    Home Page:
    When mine did this, I had a cracked and warped ABS ring that eventually caused los of speedo and normal trans function.
     
  8. Brydakidz

    Brydakidz It's SHO Time

    Joined:
    Dec 16, 2006
    Messages:
    66
    Likes Received:
    5
    Occupation:
    Mr. Everything
    Location:
    New Jersey
    Mine has been doing this for way longer than I can remember. I always figured it was the ABS module acting up.
     
  9. rubydist

    rubydist SHO Master Staff Member Super Moderators

    Joined:
    Jun 25, 2007
    Messages:
    6,943
    Likes Received:
    2,829
    Location:
    Denver
    as i understand it, while the sensors do fail occasionally, the culprit often is the wiring or connectors that cause unstable signals.
     
  10. TimboSHO

    TimboSHO Novice

    Joined:
    Aug 22, 2002
    Messages:
    2,240
    Likes Received:
    687
    Location:
    Wyoming, MI
    +1 on this. I have seen this several times (especially on Taurus' or Escapes), and it can be very intermittent. Usually just a small hairline crack that is difficult to see. Good luck!
     
  11. jimtash

    jimtash SHO Member

    Joined:
    Dec 18, 2001
    Messages:
    1,276
    Likes Received:
    183
    Location:
    nc
    Home Page:
    Thanks guys. Will update as soon as time allows.
     
  12. jimtash

    jimtash SHO Member

    Joined:
    Dec 18, 2001
    Messages:
    1,276
    Likes Received:
    183
    Location:
    nc
    Home Page:
    Ok guys the ABS light came back on and I was able to scan it. Code is for the right front sensor.
     
  13. stephen newberg

    stephen newberg Moderator Staff Member

    Joined:
    Jan 15, 2001
    Messages:
    3,303
    Likes Received:
    363
    Occupation:
    No Idea
    Location:
    Ladysmith, BC, Canada
    Excellent. A fixable problem. :)

    pax, smn
     
  14. TimboSHO

    TimboSHO Novice

    Joined:
    Aug 22, 2002
    Messages:
    2,240
    Likes Received:
    687
    Location:
    Wyoming, MI
    I would bet it's the right front tone ring then. Good luck!
     

Share This Page

If you wish to help keep SHOforum running, please click the donation button below