Is the elbow fitting on the Cummins ISX ECM cooling plate a check valve ?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Narcis.M, May 6, 2013.

  1. Narcis.M

    Narcis.M Light Load Member

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    Oct 17, 2010
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    Hello , is that elbow fitting on the ECU cooling plate a check valve ? .
    Is there any check valve in the ECM cooling system from the fuel fillter exit through the cooling plate to the gear pump entry ?
    Ty.
     
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  3. Smellfunny

    Smellfunny Road Train Member

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    Some cooling plates have a fuel check valve. Not all though. It is the fuel line at the top left as you look at the ECM.
     
    Narcis.M Thanks this.
  4. Narcis.M

    Narcis.M Light Load Member

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    Oct 17, 2010
    Quebec
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    All Isx ecu cooling plates I've seen have the entry/exit on the right side (on the side of the plate ), one straight exit in the middle and one elbow entry on the bottom .
     
  5. Smellfunny

    Smellfunny Road Train Member

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    I apologize I was seeing cummins but not ISX. Thinking of N-14.
     
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