233-9821 Valve check

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by LeviTrucker, Mar 31, 2025.

  1. LeviTrucker

    LeviTrucker Bobtail Member

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    Mar 24, 2022
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    Anyone know where this valve goes I remember changing my return line don’t remember if this goes with the line on the return hot side and forgot install it. Also is it important?
     

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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    @wore out

    Just spitballin, but maybe ECM cooler plate?
     
  4. wore out

    wore out Numbered Classic

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    Depends what we’re working on……nothing like that on a C15. Most likely a C7 or C9.
    That being the case it’s gonna elbow fitting then check valve then regulator then return line
     
  5. LeviTrucker

    LeviTrucker Bobtail Member

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    Mar 24, 2022
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    Yeah have a C15 just wanted to make sure I didn’t forget to throw it in when I replaced my return line was in a rush.
     
  6. LeviTrucker

    LeviTrucker Bobtail Member

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    Dude said that…
     
    Last edited: Mar 31, 2025
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