Fuel return check valve

Discussion in 'Freightliner Forum' started by HoyBoy53, Mar 20, 2024.

  1. HoyBoy53

    HoyBoy53 Bobtail Member

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    Aug 21, 2011
    0
    What are the indicators of a sticking fuel return check valve on a DD15. Mine is a 2009
     
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  3. OlegMel

    OlegMel Light Load Member

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    Apr 8, 2023
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    Fuel level drops in the Davco, Takes longer time to start in the morning. Check valves are very easy to replace usually. Usually they are a plastic clip and a plastic ball. Remove separator filter and you’ll see it.
     
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