Eaton fuller 6 speed popping out of 6th gear

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by n593nw, May 21, 2022.

  1. n593nw

    n593nw Bobtail Member

    Joined:
    May 21, 2022
    Messages:
    1
    Thanks Received:
    0
    0
    I just got a 05 freightliner m2 with a Eaton fuller FS-6406A transmission. It will go into gear just fine using the clutch but it will immediately pop out.
     
  2. Judge

    Judge Road Train Member

    Joined:
    Mar 19, 2014
    Messages:
    13,250
    Thanks Received:
    87,299
    Location:
    Arkansas
    0
    Synchronizers worn out.
     
    MadScientist and n593nw Thank this.
  3. baha

    baha Road Train Member

    Joined:
    Jul 25, 2013
    Messages:
    4,137
    Thanks Received:
    2,836
    Location:
    ga
    0
    Maybe it will need a rebuild soon but just hang on to the shifter till then?