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Spicer transmission trouble

Discussion in 'Experienced Truckers' Advice' started by Cltrucking, Mar 23, 2018.

Page 3 of 3
  1. Mar 23, 2018 #21
    Cltrucking

    Cltrucking Bobtail Member

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    Mar 23, 2018
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    No sir I pulled the transmission out today found nothing wrong with the reverse gear .Check the air pressure regulator changed the air valve on top of the transmission it was leaking a little air . Put the transmission back in and put everything back together except putting the floor board back in and its still doing it
     
    Cltrucking, Mar 23, 2018
    Cltrucking, Mar 23, 2018
    #21
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  3. Mar 23, 2018 #22
    MACK E-6

    MACK E-6 Moderator Staff Member

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    Baltimore, MD
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    At my first tractor trailering job I put a few dozen thousand miles on a ‘97 or so International with an N-14 and a 9 speed Spicer.

    You are right about those being a bit of a trick. I noticed the one I had responded better to double clutching than it did to floating.
     
    MACK E-6, Mar 23, 2018
    MACK E-6, Mar 23, 2018
    #22
  4. Mar 23, 2018 #23
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    the road less travelled
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    The nickname for Spicer transmissions was "rock crusher", iirc.

    Many were eventually changed out, but I saw one like the only one I ever drove with one again today, even the same company.

    That was also a n14 in a binder , but with a 10 speed. The ones with Detroit seemed easier to drive from riding along with them. The one I had was miserable to drive.
     
    25(2)+2, Mar 23, 2018
    25(2)+2, Mar 23, 2018
    #23
    MACK E-6 Thanks this.
  5. Mar 24, 2018 #24
    Hulld

    Hulld Road Train Member

    2,882
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    Oct 19, 2015
    Upstate NY
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    I would make a guess and say you have a problem in the rear of the transmission in the range section that the previous owner had repaired.
    The only thing different between low and high is the selection of the range hub.
    I am thinking the range hub or fork could have an issue.
    Remember when in all forward ranges the range hub is spinning in the same direction but it spins in the opposite direction in reverse.
    I have seen before where a range hub with worn teeth will stay engaged under torque in forward but when you spin the hub in the opposite direction ( reverse) the teeth will disengage and cut loose and grind.
    Also when in high range you are engaging a different set of teeth on the other side of the range hub which could explain why your good in high reverse.
     
    Hulld, Mar 24, 2018
    Hulld, Mar 24, 2018
    #24
  7. Mar 24, 2018 #25
    brsims

    brsims Road Train Member

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    Meadville, PA
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    My first and last Spicers were both in International 9400isx's.

    I miss those trucks...
     
    brsims, Mar 24, 2018
    brsims, Mar 24, 2018
    #25
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