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Cascadia Range selector switch problem.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by FogLine, Dec 1, 2014.

  1. Dec 1, 2014 #1
    FogLine

    FogLine Bobtail Member

    20
    12
    May 31, 2014
    0
    Its a new truck, 2015 FL Cascadia DD15 EVO. Starting out with engine fairly warm, shifting is fine on the way up from low to hi range, going back down I have problems. When I flip the switch to go back to low range, I hear the air hiss normally, but then seems like it stops short of actually getting any action on the gearbox. Sometimes if I flip it again a time or two it will go, but its sluggish and feels like somethings sticking. Once I'm up to normal operating temp everything is golden, no problems. Didn't really have a problem earlier in the year, maybe did it twice or so on cooler mornings, but now that temps are dropping its becoming more of an issue. Hopefully its a quick fix, something simple. Anyone else had this issue?
     
    FogLine, Dec 1, 2014
    FogLine, Dec 1, 2014
    #1
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  3. Dec 1, 2014 #2
    nasriza

    nasriza Road Train Member

    2,397
    2,070
    Feb 1, 2013
    Chicago, IL
    0
    Have u drained the air in the tanks maybe put some air brake antifreeze sounds like something is getting little frozen
     
    nasriza, Dec 1, 2014
    nasriza, Dec 1, 2014
    #2
  4. Dec 1, 2014 #3
    xsetra

    xsetra Road Train Member

    5,092
    6,939
    Aug 21, 2011
    0
    Sounds like something in your air line. If airline conditioner doesn't work. Change your knob. Just changed mine cost about $25. took 1/2 hour to change. Make sure you have new ferrules(brass rings that compress your air line under the nut) before you take old one off. Parts house had a different name for them.
     
    xsetra, Dec 1, 2014
    xsetra, Dec 1, 2014
    #3
  5. Dec 2, 2014 #4
    JohnP3

    JohnP3 Road Train Member

    1,594
    683
    Feb 21, 2010
    Rock Creek B.C. Canada
    0
    You have warranty it could be the selector in the transmission is sticking or the pressure regulator is low, the dealer has experts, let them look at it for free.
    I have seen it as simple as the range selector needs a little lube, removed the hose squirt in a little ATF or silicone lube, I am not a gear man but worked with some of the very best.
     
    Last edited: Dec 3, 2014
    JohnP3, Dec 2, 2014
    JohnP3, Dec 2, 2014
    #4
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