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DEF filter location????

Discussion in 'Hino Trucks' started by Smith772, Nov 30, 2017.

  1. Smith772

    Smith772 New Recruit Mechanic

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    Trying to replace the DEF filter on a 2012 Hino 338. Can anyone tell me where it is located? I cant find anything that resembles this filter anywhere on the truck. Thanks for any help.....
     
  2. BigStickJr

    BigStickJr Veteran Expediter Retired Expediter

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    I believe a lot of them are in the def tank.
    As soon as GreasyTShirt shows up you’ll have the exact answer.
     
    • greasytshirt
      Dr Pepper Addict

      greasytshirt Moderator Staff Member Mechanic

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      Directly behind the DEF tank is the dosing pump. The filter is hiding under a cap with a 27mm, 12 point head on it. You access it from underneath. You will get DEF in your armpit. Don't put any lubricant on the o-rings, just shove it firmly into the hole. Don't forget the butt plug, that gets stuck up in there too.




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    • Treadmill
      Caffeine Fix

      Treadmill Veteran Expediter Owner/Operator

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      So nicely put. Lol
       
    • greasytshirt
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      greasytshirt Moderator Staff Member Mechanic

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      It'll make perfect sense once it's taken apart.

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