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differential lock stuck

Discussion in 'Trucks [ Eighteen Wheelers ]' started by troublemaker_racing, Mar 1, 2009.

Page 1 of 2
  1. Mar 1, 2009 #1
    troublemaker_racing

    troublemaker_racing Bobtail Member

    43
    5
    Feb 19, 2009
    palm city florida
    0
    I was offroad moving a trailer with my truck and switched on the differential lock and now it won't unlock.this truck has been sitting for a couple of years.I have not jacked up the truck to see if it was for sure locked but when i back up on uneven ground i can tell it is still locked in.

    any ideas?
    it's a 97 freightliner single axle,eaton rear
     
    troublemaker_racing, Mar 1, 2009
    troublemaker_racing, Mar 1, 2009
    #1
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  3. Mar 1, 2009 #2
    Les2

    Les2 Road Train Member

    5,150
    2,288
    Jul 25, 2008
    kicked back in my lazyboy...
    0
    Unhook the airline and dump some air gun oil down it. Or tap it with a hammer...LOL
     
    Les2, Mar 1, 2009
    Les2, Mar 1, 2009
    #2
  4. Mar 1, 2009 #3
    troublemaker_racing

    troublemaker_racing Bobtail Member

    43
    5
    Feb 19, 2009
    palm city florida
    0
    :biggrin_25523: Get the hammer....lol

    I'll try the lube first,thanks
     
    troublemaker_racing, Mar 1, 2009
    troublemaker_racing, Mar 1, 2009
    #3
  5. Mar 1, 2009 #4
    droy

    droy Heavy Load Member

    828
    160
    Jun 11, 2008
    Iowa, LA
    0
    You mentioned the truck had been setting for a while, the problem may be as Les2 is alluding to, the air cylinder gummed up, not letting the diff lock release.
     
    droy, Mar 1, 2009
    droy, Mar 1, 2009
    #4
  7. Mar 2, 2009 #5
    troublemaker_racing

    troublemaker_racing Bobtail Member

    43
    5
    Feb 19, 2009
    palm city florida
    0
    Fixed thanks les.
     
    troublemaker_racing, Mar 2, 2009
    troublemaker_racing, Mar 2, 2009
    #5
  8. Mar 4, 2009 #6
    Les2

    Les2 Road Train Member

    5,150
    2,288
    Jul 25, 2008
    kicked back in my lazyboy...
    0
    Well, what worked?

    Your Welcome
     
    Les2, Mar 4, 2009
    Les2, Mar 4, 2009
    #6
  9. Mar 4, 2009 #7
    Working Class Patriot

    Working Class Patriot Road Train Member

    12,683
    23,165
    Jan 17, 2008
    Wherever and Whenever...
    0
    Note to drivers: Carry the "universal tool"...[​IMG]
     
    Working Class Patriot, Mar 4, 2009
    Working Class Patriot, Mar 4, 2009
    #7
  10. Mar 5, 2009 #8
    troublemaker_racing

    troublemaker_racing Bobtail Member

    43
    5
    Feb 19, 2009
    palm city florida
    0
    There is a pipe plug where you can access the the back side of the piston and i jacked up the truck and took a screwdriver and pushed the piston back and forth while rocking the wheels by hand.
     
    troublemaker_racing, Mar 5, 2009
    troublemaker_racing, Mar 5, 2009
    #8
  11. Mar 5, 2009 #9
    Les2

    Les2 Road Train Member

    5,150
    2,288
    Jul 25, 2008
    kicked back in my lazyboy...
    0
    Good deal! Glad you got that taken care of. Did you get it working right?
     
    Les2, Mar 5, 2009
    Les2, Mar 5, 2009
    #9
  12. Mar 6, 2009 #10
    troublemaker_racing

    troublemaker_racing Bobtail Member

    43
    5
    Feb 19, 2009
    palm city florida
    0
    yes i did.propably had surface rust on the piston.

    thanks again.
     
    troublemaker_racing, Mar 6, 2009
    troublemaker_racing, Mar 6, 2009
    #10
    Les2 Thanks this.
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