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  1. #1
    Forum Member
    Join Date
    Feb 2003

    Default Potential Stupid Question!!!


    We have a 2004 Freightliner Business Class M2 as our main pumper. Well yesterday driving it to a field fire I noticed the Tractor ABS light was on....

    Does anyone know what Tractor ABS is (I anticipate it has something to do with the brakes but I figured someone would know in here.)


  2. #2
    MembersZone Subscriber MalahatTwo7's Avatar
    Join Date
    Mar 2002
    Loco madidus effercio in rutilus effercio.


    As with any vehicle that has warning bells, lights or sensors, when they "go off" its time to take it back to the shop and be checked out.
    If you don't do it RIGHT today, when will you have time to do it over? (Hall of Fame basketball player/coach John Wooden)

    "I may be slow, but my work is poor." Chief Dave Balding, MVFD

    "Its not Rocket Science. Just use a LITTLE imagination." (Me)

    Get it up. Get it on. Get it done!

    impossible solved cotidie. miracles postulo viginti - quattuor hora animadverto

    IACOJ member: Cheers, Play safe y'all.

  3. #3
    MembersZone Subscriber WaterbryVTfire's Avatar
    Join Date
    Jun 2004

    Default Could be a loss in air pressure

    in the lines. But, still have it checked.
    "If people concentrated on the really important things in life, there'd be a shortage of fishing poles."



    "Criticism is prejudice made plausible."
    - H. L. Mencken (1880-1956)

  4. #4
    Forum Member
    Join Date
    Mar 2006


    I'm sure it's an anti-lock brake indicator. Ours (2003 model) comes on when you start the truck, but it should go out after about 30 seconds. Have a Freightliner service department check it out if it stays on.

  5. #5
    Forum Member
    Join Date
    Apr 2005
    Las Vegas,Nevada

    Default abs

    Antilock Brake System. Could be a wheel sensor problem or the ECU (Electronic Control Unit) ( brain box) or even some pinched or other wiring problem. Wheel sensors should be visible and I have used a soft mallet to tap them to see that they are close enough to the wheel ring. Wiring can usually be vision checked for pinched, chafed and sometimes leftover material such as metal shavings and screws not having penetrated the wiring.After that its back to the dealer unless you have the electronic readers to do the diagnosis. If you have the books and it has a blink code system that is also an option. Confusing huh?

  6. #6
    MembersZone Subscriber
    Join Date
    May 2000
    Wheaton IL


    Take it in for service. ABS defaults off, so odds are you have no ABS.
    Not that big of a problem but it should go in.

  7. #7
    Forum Member
    Join Date
    Apr 2005
    Berkshire County


    Frieghtliners, Internationals, GMC, Chevy's and Fords are not designed to suit our purpose. Well actually ford is and always has been the leading in ambulance and light duty rescues. But for our Engines, Rescues and Ladders.. They have no business being in the service. Ther to complicated and arent of good quality..

    But i would go and have it checked at the local dealer.. Thats the only good thing about these types of rigs, there are more of there dealers with shops, than say Eone, Seagrave, Pierce.

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